# Marinerspoint Pro


## Posts

- [Oily Water Separator : Construction, Working Principle, How it Works ?](https://marinerspointpro.com/oily-water-separator/): An Oily Water Separator is machine which is used on ship for separating oil from oily water mixtures and from the emulsion. In this article we are going to learn about Oily Water Separator, its working principle, Troubleshooting faults and very important how to solve faults. And very important is that, this device is used on ship to separate oil from water. A small amount of oil discharged in sea water creates problems to chief engineer. Must Read: Purifier What is Oily Water Separator ? The oily water separator (OWS) is a very important piece of equipment / device carried on board to separate ... Read more
- [Lubrication in 4 four stroke engine with diagram](https://marinerspointpro.com/lubrication-in-4-four-stroke-engine-or-auxiliary-engine/): How lubrication in 4 stroke engine Takes place ? It is done either by splash lubrication or Pressure lubrication system. In this article, I will describe step by step so that you can understand Lubrication in 4 four stroke engine ( auxiliary engine ) with diagram engine easily. Try to understand the layout Lubricating system of 4 stroke or Auxiliary engine.It help you in visualising all the parts and how oil moves from sump to all parts and come back to sump of the engine. Suggested Read : Types of Lubrication Layout of Lubricating system of 4 stroke or Auxiliary ... Read more
- [A-frame of IC Engine](https://marinerspointpro.com/a-frame-in-ic-engine/): An A-frame in the context of an internal combustion (IC) engine typically refers to a structural component used in the engine’s assembly or installation, often related to mounting or support systems. Key Features of A-Frames in Large Crosshead Engines: Construction: Advantages of A-Frame
- [UMS REQUIREMENTS](https://marinerspointpro.com/ums-requirements/): What are UMS Requirement ? The UMS (Unmanned Machinery Space) requirements, as outlined in the SOLAS (Safety of Life at Sea) regulations from 1977, are essential for ensuring the safety and functionality of vessel machinery while minimizing the need for crew presence in machinery spaces. Here’s a concise summary of the UMS requirements you mentioned: UMS Requirements 1.Bridge Control of Propulsion Machinery: 2.Centralized Control and Instrumentation: 3.Automatic Fire Detection System: 4.Fire Extinguishing System: 5.Alarm System: 6.Automatic Bilge High-Level Fluid Alarm and Pumping Units: 7.Automatic Start of Emergency Generator: 8.Local Planned Control of Essential Machinery: 9.Adequate Settling Tank Storage Capacity: 10.Designed ... Read more
- [Bed Plate - Functions And Structure of IC engine](https://marinerspointpro.com/bed-plate/): What is a Bedplate of Diesel Engine ? The bed plate forms the foundation of the engine (or constructions )on which the other structural component such as A-frame, all column, and Guides are mounted and it can withstand heavy fluctuating stresses from working parts. Bedplate supports the Load of the Engine and it’s other Constructional parts and provide a base for the large mass. What are the Functions of a Bed Plate ? The functions of a bed plate, particularly in the context of marine or industrial engines, are critical for ensuring proper operation, stability, and efficiency. Here’s a consolidated ... Read more
- [Difference Between Crosshead And Trunk Type Piston engine](https://marinerspointpro.com/difference-between-crosshead-and-trunk-type-piston-engine/): Difference between Crosshead and Trunk type Piston engine Difference between crosshead and trunk type Piston engine are as follows :- Crosshead Type Engine It looks like you’d like the crosshead type engine section expanded with the details you provided. Here’s a refined version in a formal tone that aligns with the earlier structure of the blog post: Crosshead Type Engine: Design and Features Trunk type engine It looks like you’re reiterating the details of the trunk type engine. Here’s a refined version in formal tone that incorporates your points: Trunk Type Engine: Design and Features Here a Very Easy table ... Read more
- [TOP 50+ Frequently Asked IC Engine Interview Questions](https://marinerspointpro.com/ic-engine-interview-questions/): IC Engine Interview Questions are one of the most asked questions while facing an interview. If you have done Mechanical Engineering or Equivalent ( Marine Engineering ) and on the basis of that you are applying for any job, then definitely you will be asked questions related to your Degree. In such case if you are trying to find out what are the possible questions that can be asked in an interview. So here are the list of Interview Questions mostly asked in interviews related to IC Engine. Frequently Asked IC Engine Interview Questions 1. What do you mean by ... Read more
- [Difference Between Water Tube Boiler And Fire Tube Boiler](https://marinerspointpro.com/difference-between-water-tube-boiler-and-fire-tube-boiler/): Difference between Water Tube Boiler and Fire Tube Boiler In today’s article we are going to learn about the difference between water tube boiler and fire tube boiler or in simple words Fire Tube Boiler Vs Water Tube Boiler.  We know that boiler is used onboard for power generation and it is one of the most important thing on ship. Boiler is broadly categorised into water tube boiler and fire tube boiler. And since they are categorised differently this means that there must be some differences between them either in functioning, maintaining, running or economical differences. This article is all ... Read more
- [What is Difference between pressure relief valve and pressure safety valve](https://marinerspointpro.com/difference-between-pressure-relief-valve-and-pressure-safety-valve/): Difference between pressure relief valve and pressure safety valve: When discussing pressure in process industries, two important safety devices often come up: Pressure Safety Valves (PSVs) and Pressure Relief Valves (PRVs). While these terms are commonly used interchangeably, it’s important to understand that they have distinct differences, despite serving similar functions. Must Read: Difference between safety valve and relief Difference between Pressure Relief Valve and Pressure Safety Valve Here’s the information in a simple table format that compares the Pressure Safety Valve (PSV) and Pressure Relief Valve (PRV): Criteria Pressure Safety Valve (PSV) Pressure Relief Valve (PRV) Primary Application Used ... Read more
- [Difference between pv valve and pv breaker in tanker](https://marinerspointpro.com/difference-between-pv-valve-and-pv-breaker-in-tanker/): Difference between PV Valve and PV Breaker : The Pressure Vacuum (PV) Valve and the Pressure Vacuum (PV) Breaker are critical safety devices used on ships, especially on oil tankers, to regulate and maintain safe pressure levels within cargo tanks. While both devices play a role in preventing overpressure or vacuum conditions, they operate under different circumstances and serve different purposes. What is pressure vacuum (PV Valve ) and pressure vacuum (PV ) Breaker ? Pressure Vacuum (PV) Valve:A Pressure Vacuum Valve (PV Valve) is a device used to maintain a balanced pressure in a cargo tank during loading, discharging, ... Read more
- [Steering Gear in Ship Working, Types, Diagram, Regulations](https://marinerspointpro.com/steering-gear-in-ship/): What is Steering Gear ? Steering gear is the system used on ships to control the direction of the vessel. It allows the ship to turn from port (the left side) to starboard (the right side), or from starboard to port, while it is moving during sailing. Important Note: The steering gear only works when the ship is in motion. It does not function when the ship is stationary. Capacity For optimal performance, a steering gear system must have the capacity to rotate the rudder from 35° port to 35° starboard. Additionally, it should be able to transition the rudder ... Read more
- [Duplex Strainer | Duplex Filters - Function & Working](https://marinerspointpro.com/duplex-strainer/): Duplex strainer A duplex strainer, also known as a twin basket strainer, is a type of filter that is installed in a gas, oil, or water piping system to remove large particles of dirt and debris. In most cases, a duplex strainer system consists of two separate housings for strainer baskets. A valve handle is also included between the two boxes to redirect liquid flow to one strainer while the other is being cleaned. In some strainers, the valve will operate automatically, and the strainer will perform a self-cleaning method. These kind of strainers are used in pipeline systems when ... Read more
- [Steering gear safeties](https://marinerspointpro.com/steering-gear-safeties/): What are Steering Gear Safeties ? Steering gear safeties are mechanisms integrated into the steering gear system to protect the vessel’s steering mechanism from potential damage, ensure safe operation, and alert the crew to any issues. These safeties are critical for both hydraulic and electrical systems, ensuring the steering gear operates within safe limits. Categories of Steering Gear Safeties: Hydraulic Safeties: Electrical Safeties: Other Safety Devices for the Steering System: These devices work together to ensure the safe and efficient operation of the steering system, helping prevent malfunctions and protecting the vessel from potential hazards. Follow me on Twitter
- [Tappet Clearance Inlet and Exhaust Pdf, Tool, Adjustment](https://marinerspointpro.com/what-is-tappet-clearance-inlet-and-exhaust-valve-adjustment/): Tappet clearance is a crucial aspect of vehicle engine maintenance that should not be ignored. It refers to the clearance or gap between the camshaft and valve in an engine. It plays a significant role in ensuring optimal engine performance and longevity. Regular tappet clearance adjustment can prevent engine damage, increase fuel efficiency, and reduce engine noise. Without adequate tappet clearance, there is a risk of valve damage and potential harm to the engine. Therefore, it is necessary to maintain the appropriate clearance to keep the vehicle running smoothly. In this article, we will provide you with a comprehensive guide on tappet clearance, its purpose, and ... Read more
- [Boiler gauge glass blow through procedure : Easy Step](https://marinerspointpro.com/boiler-gauge-glass-blow-through-procedure/): Boiler Gauge Glass Blow Through Procedure : Blow through of Boiler Gauge Glass is Done to ensure accurate reading of the water level in the boiler and to remove any debris, sediment, or scale that may have accumulated in the gauge glass and its connections. Boiler gauge glass blow through procedure Step by Step Step-by-Step Instructions: Note: This procedure should be performed daily to ensure the accuracy and reliability of the boiler’s water level indication. Suggested Reading : Boiler Mountings procedure of Boiler Gauge Glass Blow Through in Table form Step Procedure 1. Isolate the Steam Connection – Close the ... Read more
- [Autocollimator - Working Principle, Types, Diagram, Advantages](https://marinerspointpro.com/types-of-autocollimator-working-principle-diagram/): In this article, we are going to learn about Autocollimator, what it is used for, its working principle, how it works, different types of auto collimator, and its advantages and disadvantages. What is Autocollimator ? The autocollimator is an optical instrument which is used for the measurements of small angular differences, changes or deflections. It is also used to determine straightness, flatness, alignment, etc. An autocollimator is a device that uses optics to measure small angular variations. This device is extremely sensitive to very small angle changes and can measure angular deviations accurately. It’s essentially a collimator and an infinity ... Read more
- [Understanding the Various Parts of a Ship: A Detailed Guide](https://marinerspointpro.com/different-parts-of-a-ship/): Ships, whether for transporting goods or people, are intricate machines requiring a sophisticated combination of design, engineering, and construction. Understanding the various parts of a ship is crucial to ensuring smooth navigation and safe transport. The anatomy of a ship consists of multiple parts, each with its distinct purpose and function. These parts include the hull, superstructure, propulsion system, navigation and communication equipment, cargo handling equipment, safety equipment, electrical systems, and plumbing and sanitation systems. Knowing how each of these components works is essential in comprehending the ship’s anatomy, construction, and systems. From the bow to the stern, ships’ parts come in various ... Read more
- [Electric Arc Furnace - Complete Process, Parts & Application](https://marinerspointpro.com/electric-arc-furnace/): What is electric arc furnace An electric arc furnace (EAF) is a type of industrial furnace used for melting metals, particularly steel and iron, through the use of an electric arc. It’s a crucial tool in the steelmaking industry and is known for its efficiency and flexibility in producing various steel grades. parts of electric arc furnace An electric arc furnace (EAF) is a complex industrial furnace with several key parts and components that work together to melt and refine metals. Here are the main parts of an electric arc furnace: These are the primary components of an electric arc ... Read more
- [Scrubber - Working, Types, Components & Application](https://marinerspointpro.com/scrubber/): What is Scrubber A scrubber, in a general sense, is a device or system designed to cleanse or remove unwanted substances, pollutants, or contaminants from a gas, liquid, or air stream. It’s used to improve the quality of the treated medium by eliminating harmful elements. Scrubbers find applications in various industries and environmental settings to reduce pollution, ensure compliance with regulations, and enhance overall safety and cleanliness. The term “scrubber” can refer to different technologies and methods depending on the context in which it’s used. components of scrubber A scrubber, particularly in an industrial air pollution control context, consists of ... Read more
- [Catalytic Converter - Diagram, Working, Function & Types](https://marinerspointpro.com/catalytic-converter/): what is catalytic converter A catalytic converter is a device used in the exhaust system of internal combustion engines, primarily in vehicles, to reduce the harmful emissions produced during the combustion process. It works by facilitating chemical reactions that convert pollutants and harmful gases, such as nitrogen oxides (NOx), carbon monoxide (CO), and unburned hydrocarbons, into less harmful substances like nitrogen, carbon dioxide, and water vapor. The catalytic converter contains a catalyst, typically made of precious metals like platinum, palladium, and rhodium, that acts as a facilitator for these chemical reactions. The exhaust gases flow through a honeycomb-like structure coated ... Read more
- [Piezometer - Types, Working, Application & Advantages](https://marinerspointpro.com/piezometer/): what is piezometer ? A piezometer is a type of instrument used to measure the pressure of groundwater of well, pipe, dams typically in engineering, geotechnical, and hydrological applications. It consists of a tube or pipe inserted into the fluid whose pressure is being measured. The end of the tube that is exposed to the fluid is often perforated to allow the fluid to enter the tube and reach a level that represents the pressure of the surrounding fluid. piezometer working principle The working principle of a piezometer is based on the fundamental concept of hydrostatic pressure, which is the ... Read more
- [Flame Arrester - Introduction, Working Principle, Construction](https://marinerspointpro.com/flame-arrester-working-construction-definition/): What is a Flame Arrester ? A flame arrester (or Arrestor) is a safety device fitted on the opening of an enclosure or to the connecting pipe work in a system of enclosure and which allow only gases and liquid etc. to pass through it but prevent the transmission of a flame in order to prevent a larger fire or explosion. In simple language , it is a device which only allows gas to pass through it but stops the propagation of a flame. Note :- It is also known as speller arrester, deflagration arrester, or flame trap. Must read ... Read more
- [Classification of IC Engine | Internal combustion Engines](https://marinerspointpro.com/classification-of-ic-engine/): In this Article , I have mentioned Classification of IC Engine (Internal combustion engines ) in Details. Internal combustion engines are engines in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the operating fluid flow circuit. Within an internal combustion engine, the expansion of high-temperature and high-pressure combustion gases, direct force is applied to any part of the engine. The force is applied typically to pistons, turbine blades or a nozzle. Classification of IC Engine (Internal Combustion Engines) 1. According to Type of Ignition ( According ... Read more
- [Gating System - Definition, Function, Types, Diagram](https://marinerspointpro.com/types-of-gating-system-in-casting-process/): Gating System – Definition, Function, Types, Diagram: Gating System is an important concept in casting process. Through this article we will learn What is gating system, types of gating system and at the end there are some MCQs related to the topic like what happens if If the gating system is part of the pattern. Let’s start with the Definition. What is Gating System in Casting The term gate is defined as one of the channels which actually leads in the mould cavity, and the term gating or gating system refers to all channel by means of which molten metal ... Read more
- [Everything about Bunkering: Bunker Plan, Preparation, Checklist, Sampling, BDN, Letter of Protest etc.](https://marinerspointpro.com/what-is-bunkering-operations-procedures-precautions-checklist/): Bunkering Operations : Bunker Plan, Preparation, Checklist, Sampling, BDN, Letter of Protest etc : Combustion of fuel is quiet essential for power generation on ships irrespective of type of propulsion system i.e. steam ship or motor ship. Large amount of fuel oil consumes daily in power generation for propulsion of ship. So, the storage of sufficient amount of fuel oil is necessary for voyages. Bunker (Ship’s bunker) is nothing but the Fuel oil, Lube oil and Fresh water for Engine’s and Ship’s use. Bunkering word is used for receiving or transferring fuel oil (HFO & DO), Lube oil and Fresh ... Read more
- [Gudgeon Pin (Piston Pin) - Types, Working, Function, Diagram](https://marinerspointpro.com/gudgeon-pin/): This pin is located in a sliding crosshead that is usually connected to the piston via a rod in most engine arrangements, including steam-powered engines, large stationary and/or marine engines. This pin is a forged small hollow rod that is typically made of a high-strength steel alloy. Pin design is difficult, particularly in the case of small, high-revving automotive engines. Let’s take a look at how the piston pin works. Piston pin is made up of ( materials ) The gudgeon Pin is made of steel with a hard, polished surface of the bearing. It can be fitted to the ... Read more
- [Brushless Alternator Working principle| Advantages, Disadvantages | Applications](https://marinerspointpro.com/brushless-alternator-working-principle-diagram/): This Article is all about What is Brushless Alternator ? Its Working Principle, Parts , Operations , Applications, Advantages and Disadvantages. A brushless alternator mainly consists of two parts :- Main alternator and Excitor alternator A Brushless alternator is made up of two alternators that are built end-to-end on a single shaft. Smaller brushless alternators may appear to be a single unit, but the two parts are easily distinguishable on larger models. The main alternator is the larger of the two sections, and the exciter is the smaller. The exciter contains stationary field coils as well as a rotating armature ... Read more
- [What is Fresh water generator in ship | Working Principle , Diagram and Uses |](https://marinerspointpro.com/fresh-water-generator-on-ship/): In this article, I am going to discuss about an equipment called Fresh water Generator which is used onboard to produce fresh water on ships. We will discuss it’s working principle, types, how it operates and it’s troubleshooting. If you any doubt or any problems related this Topic. You are at right place. After reading this Article on this topic, I am damn sure you will not have any Doubts remaining. In this Article, you will learn :- What is Fresh Water Generator ? A Fresh water generator is a Device which is used on ship for production of fresh ... Read more
- [Procedure of piston removal of 2 stroke and 4 stroke engine](https://marinerspointpro.com/piston-removal-procedure-of-2-stroke-and-4-stroke-engine/): Piston removal of 2 stroke and 4 stroke engine ? To remove piston we have to prepare some documents and preparations related engine. Always wear Protection protective equipment. piston removal of 4 stroke engine if you read the post Decarb of auxiliary engine, you definitely know how to remove piston. if you have not read then here written below the full information and process to remove piston. So let us start. First tool box meeting and preparations of all the tools required for removal. Risk assasement and tell about the procedure to person involve. Go through manual. Come to the ... Read more
- [Soot Blowing in Boiler through air or steam | Operations and how it is done |](https://marinerspointpro.com/soot-blowing-in-boiler/): Soot Blowing in Boiler : Soot blowing in a boiler is a maintenance process designed to remove soot and ash deposits that accumulate on the heat transfer surfaces of the boiler, such as tubes and economizers. These deposits can significantly hinder the efficiency of the boiler by acting as insulators, reducing heat transfer, and potentially leading to overheating or even fires if left unchecked. What is soot blowing in Boiler? A soot blowing is a procedure of removing the soot built up on the surface of pipe when hot exhaust gas pass through it. or, we can simply define it ... Read more
- [Abrasive Jet Machining - Parts, Working Principle, Application](https://marinerspointpro.com/abrasive-jet-machining-process-working-principle/): In this article you will learn about Abrasive Jet Machining, including the working principle, parts, working, applications, advantages and disadvantages. Abrasive Jet Machining Abrasive Jet Machining is a non traditional method of removing materials by using a focused stream of abrasive grains of Al2O3 or SiC carried by high-pressure gas or air at a high velocity is made to impinge on the work surface through a nozzle of 0.3- to 0.5-mm diameter. In other words, Abrasive jet machining is the process of impinging a high-speed stream of abrasive particles onto a work surface via a nozzle with high-pressure gas or ... Read more
- [What is COPT & Its Operation, Maintenance & Safety](https://marinerspointpro.com/copt-cargo-oil-pump-operation-maintenance-safety/): COPT = Cargo Oil Pump Turbine or Cargo Oil Pump & Turbine It is a combination of 2 units i.e. Pump and Turbine. Pump is for pumping action and turbine is for driving the pump or driving the pump shaft. Normally we have motor for driving the pump but here turbine (steam turbine) drives the pump. Steam turbine needs high pressure steam to get the desired rpm and thus we need high pressure boiler. Arrangement of the pump and turbine may be either horizontal or vertical. COPT is used for discharging of cargo oil. It is generally used at oil ... Read more
- [Alloy Steel - Compositions, Types, Properties, Uses](https://marinerspointpro.com/alloy-steel-composition-types-properties/): In this article we will discuss about Alloy Steel, which are very commonly used in Industries as well as in da to day life. Starting with the definition we will look into its composition, types, and uses and properties. What is Alloy Steel ? Alloy steel may be defined as steels to which elements other than carbon are added in sufficient amounts to produce improvements in properties. The most common alloying elements added to steel are chromium, nickel, manganese, silicon, vanadium, molybdenum, tungsten, phosphorus, copper, titanium, zirconium, cobalt, columbium, and aluminium. Each of these elements confers certain qualities upon the ... Read more
- [Constrained Motion - Definition, Types, Examples, Images](https://marinerspointpro.com/types-of-constrained-motion/): For example, suppose we want a straight line motion from a car but the car moves on curved path and we control it and forcefully moved in straight line. The straight line motion of a car is constrained motion. Example of Constraints motion The motion of a gas molecule in a spherical container. A particle moving down a rough or smooth inclined plane, A particle sliding down a curve under gravity, The motion of rigid body as distance between any two particles remains constant. Bicycling is the best example. There the input is the couple produced due to the bicycling. ... Read more
- [Foundry Tools And Equipment - List, Names & Images](https://marinerspointpro.com/foundry-tools-and-equipment-list-names/): Foundry tools and equipment may be classified into three groups, namely, hand tools, flasks, and mechanical tools. 1. Hand Tools Hand Tools :- The hand tools uses are fairly numerous. A brief description of the most important tools is given here. 1. Shovel A shovel mixing and tempering moving the sand from. 2. Riddle A riddle, consists of a circular or fitted with a standard shown in Fig. 11.34. It is materials such as nails, wood, etc., from the moulding sand. Both hand and power riddles are available, the latter being used where large volumes of sand are to be ... Read more
- [Group Technology (GT) - Definition, Layout, Benefits](https://marinerspointpro.com/group-technology-definition-layout-benefits/): The article covers What is group technology, Layout, benefits, advantages and disadvantages. What is Group Technology ? Group technology, or GT, is a manufacturing technique in which parts with similar geometry, manufacturing process, and/or functions are manufactured in a single location using a small number of machines or processes. It is based on the general principle that many problems are similar, and that by grouping similar problems, a single solution to a set of problems can be found, saving time and effort. Define Group Technology Group technology is an important technique in the planning of manufacture that allows the advantages ... Read more
- [Industrial Disputes Act 1947 - Objectives, Purpose, Pdf, Notes](https://marinerspointpro.com/industrial-disputes-act-1947-pdf-notes/): In this article we will discuss about the Industrial Dispute Act 1947, it’s provisions and details of enactment. At the end you can download pdf as a note given as Industrial Disputes Act 1947 pdf. The Industrial Disputes Act 1947 is applicable in whole of India. This Act is a replacement of Trade Disputes Act of 1929. The Trade Disputes Act imposed certain restraints on the right of strike and lockout in public utility Services but lacks any provision for the settlement of Industrial Disputes, either by reference to a Board of Conciliation or to a Court of Inquiry. In ... Read more
- [Manufacturing Processes - Definition, Types, Examples](https://marinerspointpro.com/what-is-manufacturing-process-types-definition/): Table of Contents Toggle What is manufacturing process ?Classification of Manufacturing Process1. Primary Shaping Processes2. Deforming Process3. Machining/removing Processes4. Joining processes ( Types of manufacturing process )5. Surface finishing processes6. Material Properties Modification Process What is manufacturing process ? A Manufacturing process is the production of workpieces having defined geometric shapes. It is one of the most important production technologies. Other technologies are process technology (production of chemicals etc.) and energy technology (production of electricity etc. ). Classification of Manufacturing Process Manufacturing processes can be classified in six groups, they are following :- 1. Primary Shaping Processes Primary shaping or ... Read more
- [32 Types of Pliers & Their Uses With Pictures](https://marinerspointpro.com/types-of-pliers-their-uses-with-pictures-diagram/): In this article we are going to learn about types of pliers : Definition, parts, applications and its uses. What is a Plier ? Pliers Meaning : Pliers are a hand operated tools Which is used to handle and grip small objects or to bend and cut the wire. What is Pliers Used For ? Pliers come in a variety of shapes and sizes, and they have a wide range of applications. Some are designed to be used for gripping something round, such as a pipe or rod, while others are designed to be used for a variety of tasks, ... Read more
- [Ballasting and deballasting of ship](https://marinerspointpro.com/water-ballasting-of-ship-and-deballasting/): Ballasting of ship is a process by which sea water is taken on ship in a dedicated ballast water tank while cargo is discharging. Deballasting is a process by which sea water is carried out in sea from ballast tank when the ship loading cargo. Simply,Ballasting or de ballasting is a process in which sea water is taken in and out from the ship for its stability when it at port or  at the sea. The sea water which is carried by a ship is called as ballast water. What is the purpose of ballasting ? The main purpose of ... Read more
- [Fuel Oil System in Ship For Marine Diesel Engine](https://marinerspointpro.com/fuel-oil-system-in-ship-for-marine-diesel-engine/): Fuel oil system in ship For marine diesel engine are which operate on heavy fuel oils: Fuel oil transfer system, Fuel oil treatment system and Fuel oil supply system.Various piping systems for bunkering, storage, transfer, offloading, and treatment of fuel oils are provided. Fuel Oil Transfer System This system receives, stores, and delivers fuel to settling tanks. Fuel oils are loaded through deck fill ( bunker manifold ) connections with sample connections to allow the fuel to be sampled as it is brought aboard. HFO is stored in tanks equipped with heating coils. HFO is transferred to the fuel oil ... Read more
- [Refrigeration Cycle - Know All the Stages, Components & Diagrams](https://marinerspointpro.com/refrigeration-cycle/): In this article, I am going to explain about refrigeration cycle in details like definition of Refrigeration, What are the 4 cycles of the refrigeration system? What is the principle of refrigeration? What are the parts of refrigerator? Refrigeration cycle diagram and working. Before starting first understand the term refrigeration. Thus, a heat pump is called as a “heater” if the objective is to warm the heat sink (as when warming the inside of a home on a cold day), or a “refrigerator” or “cooler” if the objective is to cool the heat source (as in the normal operation of ... Read more
- [Piston cooling in 2 stroke marine Diesel Engine](https://marinerspointpro.com/piston-cooling-in-2-stroke-marine-diesel-engine/): In this article I am going to explain piston cooling in 2 stroke marine diesel in details. Cooling of piston is done to to prevent stresses in the piston crown due to temperatures induced by combustion. Piston cooling in 2 stroke marine diesel engine (The maine engine piston cooling ) is done by one of the cooling medium – 1. Water and 2.oil Note :- Water-cooled pistons were mainly used in old MAN engines and Sulzer RND ,RLA and RLB engines. Nowadays both MAN B & W and Sulzer engines prefer oil cooling to conventional water cooling piston. Why Oil ... Read more
- [Bulwark on a Ship: Definition, Height, Constructions](https://marinerspointpro.com/bulwark-on-a-ship/): Bulwark on a Ship What is a Bulwark on a Ship ? Bulwark Definition Bulwark on a ship is a nautical term for a ship’s side to be extended above the level of a weather deck. Define Bulwark It is a Vertical Fore-and-aft plating just above the upper edge of the side of the ship surrounding the exposed deck(s). Bulwark ship meaning : It is defined as boundary designed on the ship’s side to prevent passengers and crew from falling to sea. As protection for crew and passengers, bulwarks fitted on weather decks and it is not intended as a ... Read more
- [Windlass safety devices](https://marinerspointpro.com/windlass-safety-devices/): What are windlass Safety Devices ? Windlass Safety devices are :- Overload trip Emergency stop Mechanical break Over speed trip Slipping clutch for overload,for preventing any undesirable damage such as hull damage due to anchor and rope brake out. Check Out Other Important Topics Home IC Engine Electrical Important PDFs Boilers Synergy Maritime Exam Naval Arch Interview Questions Difference Between Types of Pumps Types of Valves MEO Class 4 Auxiliary Machines
- [Why discharge valve closed during starting of centrifugal pump ?](https://marinerspointpro.com/why-discharge-valve-closed-during-starting-of-centrifugal-pump/): In this Article, I have Explained Why discharge valve closed during starting of centrifugal pump ? Or Why centrifugal pump started with closed discharge valve ? Check Out Other Important Topics Home IC Engine Electrical Important PDFs Boilers Synergy Maritime Exam Naval Arch Interview Questions Difference Between Types of Pumps Types of Valves MEO Class 4 Auxiliary Machines
- [What is difference between hyper mist and sprinkler system?](https://marinerspointpro.com/what-is-difference-between-hyper-mist-and-sprinkler-system/): What is difference between hyper mist and sprinkler system? Hyper mist :- It use fresh water It activate when two different detectors activated. Pressure required for hyper mist is more as compare to sprinkler system. Droplet size of hyper mist is small Sprinkler System :- It uses Sea water Sprinkler has Temperature bulb Pressure Required for sprinkler system is less as compare to hyper mist. Droplet size of sprinkler system is bigger than hyper mist. Check Out Other Important Topics Home IC Engine Electrical Important PDFs Boilers Synergy Maritime Exam Naval Arch Interview Questions Difference Between Types of Pumps Types ... Read more
- [What is Angle of Contraflexure?](https://marinerspointpro.com/what-is-angle-of-contraflexure/): In this Article,we will learn What is the Angle of Contraflexure ? What is angle of Contraflexure ? This is the angle at which the curve goes / moves from concave to convex. Or It is the angle of heel up to which the rate of righting lever ( GZ ) With the heel is changes I.e Before this point rate of righting lever with heel is increasing but after this point rate of righting lever will decrease. Must Read:- How does a ship move What is it’s significance ? The physical Significance of this point is that ,it is ... Read more
- [Clarifier || Purifier || How to convert Purifier into Clarifier](https://marinerspointpro.com/how-to-convert-purifier-into-clarifier/): In this Article ,I have mentioned How to convert purifier into clarifier ? Beside it,you will also learn listed topic in this Article. Difference Between Purifier and clarifier Why Clarifier not converted into purifier What is Blind Disc What is sealing water line What is gravity disc ? Changing purifier into clarifier Open the purifier and place the blind disk at the bottom of the disc stack. The water outlet is blocked by a seal on the gravity disc. Blank off the inlet line of sealing water. For better understanding watch video:-https://youtu.be/bdCiOitnjGA Must read:- Purifier Can Clarifier change into purifier ... Read more
- [Safety Devices of All marine Equipment](https://marinerspointpro.com/safety-devices/): What is Safety Device ? Electrical Safety Devices Dead front type switchboard, Fuses, Relays, Circuit breakers, Earth fault indicators, Under voltage relay, Reverse power trip, Preferential trip, Over current trip, Short circuit trip, Arc chute, Ebonite Rod ( to remove static charge). Main Engine Safety Devices General Safety Devices :-  Insulated  hand  gloves,  dry  boiler  suits,  shoes  without  metallic  part,  Rubber  pad  in  front  of  switchboard,  0.6m  gap  behind  switchboard,  Panel  doors  to  be  earthed,  interlocked  handles  for opening doors. No water, oil, or steam pipeline in its vicinity. Overhead crane safeties 1)  The most important safety feature of the crane is ... Read more
- [Salvaging of motor](https://marinerspointpro.com/salvaging-of-motor/): How to do Salvaging of motor ? ● First of all,take out the motor from the sea water by Isolating it from the connections and take it to the electrical workshop. ● Now,measure the insulation resistance which will be very low hoti 200 ohm so,the main problem is to restore the insulation resistance and this can be restored by three ways. 1.cleaning 2.Drying 3.Re-varnishing ●Dismantle it and wash the windings with fresh water and clean the grease or oil on the windings with the help of using a degreasant liquid such as Armaclean. ●Now, dry the stator windings with the ... Read more
- [Main Engine Safety Devices](https://marinerspointpro.com/main-engine-safety-devices/): Main Engine Safety devices Overview of Main Engine Safety Devices Main engine safety devices are critical components in marine and industrial engines designed to protect both the engine and the surrounding systems from various operational hazards. These devices serve multiple purposes, including preventing catastrophic failures, ensuring safe operation, and protecting personnel. The main engine safety devices are provided in the system to safe guard the main enginein case of any damage in the system Mainly are fitted in engine when all the alarm and trips fails to work then the last means for safe guarding the engine and components is ... Read more

## Pages

- [Marinerspoint Pro](https://marinerspointpro.com/): Meo Class 4 Book Buy Synergy Exam Pdf Book IC Engines Marine Aux. Machine Mechanical Engineering Electrical Types of Pumps Types of Valves Synergy Exam Naval Arch Meo Class 4 Marine Exam Difference Between Interview Questions
- [Marinerspoint](https://marinerspointpro.com/marinerspoint-3/): Meo Class 4 Books Synergy Exam Pdf Buy
- [Random](https://marinerspointpro.com/random/): Electrical Discharge Machining – Parts, Working Principle, Applications Plasma Arc Machining – Process, Diagrams, Working Principle Abrasive Jet Machining – Parts, Working Principle, Application Water Jet Machining – Working Principle, Applications, Advantages Ultrasonic Machining Process – Parts Working Principle, Advantages Process Planning Estimating And Costing What is Process Planning | Process Planning Steps, Types, Advantages Aluminium Alloy – Properties, Composition, Applications Autocollimator – Working Principle, Types, Diagram, Advantages Iron Carbon Equilibrium Diagram with Explanation [Phase Diagram] Types of Fits – Clearance, Interference, Transition What is Hot Extrusion Process ? Types, Advantages, Applications What is Heat Treatment Process – Types, Methods, ... Read more
- [Write For Us](https://marinerspointpro.com/write-for-us/): Loading…
- [Electrical](https://marinerspointpro.com/electrical-2/): ELECTRICAL TOPICS DC Motors Fleming’s Left Hand Rule DC Motor Working Principle Fleming’s Right Hand Rule Induction Motor Condition for Paralleling Diesel Generator Working Principle Megger Generator Maintenance Switchgear Shaft Generator Clamp meter Parallel Operation of Generators Ammeter Marine Electrical MCQ KVA Check Out Other Important Topics IC Engine Important PDFs Boilers Synergy Maritime Exam Naval Arch MEO Class 4 Interview Questions Difference Between Types of Pumps Auxiliary Machines Types of Valves Home
- [Important PDFs](https://marinerspointpro.com/important-pdfs/): Min Zar Tar Book Pdf Marine Auxiliary Machine Pdf Marine Boilers Book pdf Diesel Engine Book by Deven Arhanha Pdf Advanced Strength of Materials Books Marine Electrical And Equipment Aj Wharton Diesel Engines, Marine Engineering Check Out Other Important Topics Home IC Engine Electrical Boilers Synergy Maritime Exam Naval Arch Interview Questions Difference Between Types of Pumps Types of Valves MEO Class 4 Auxiliary Machines
- [MEO Class 4](https://marinerspointpro.com/meo-class-4-2/): MEO Class 4 Syllabus MEO Class 4 Study Materials MEO Class 4 Electrical Oral Questions MEO Class 4 Safety Oral Questions MEO Class 4 Exam Books MEO Class 4 General Engineering Knowledge and motor MEO Class 4 Examination : Subjects, Syllabus, Courses, Eligibility etc. MEO Class 4 oral and written questions MEO Class 4 Objective Questions and Answers part 1 MEO Class 4 Objective Questions and Answers part 2 Check Out Other Important Topics Home IC Engine Electrical Important PDFs Boilers Synergy Maritime Exam Naval Arch Interview Questions Difference Between Types of Pumps Types of Valves Auxiliary Machines
- [Types of Valves](https://marinerspointpro.com/types-of-valves/): Isolation Valves Check Valve Butterfly valve Ball Valve Gate Valve Globe Valve Poppet Valve Check Out Other Important Topics Home IC Engine Electrical Important PDFs Boilers Synergy Maritime Exam Naval Arch Interview Questions Difference Between Types of Pumps MEO Class 4 Auxiliary Machines
- [IC Engine](https://marinerspointpro.com/internal-combustion-engine-ic-engine/): Topics Covered in IC Engine What is an Internal Combustion Engine ? Classification of IC Engine Components of IC Engine Journal Bearings Crankshaft – Types, Parts, Function, Sensor, Images Calculation Brake Horse Power Bearing Temperature Chart Bearing Temperature Sensor Piston Tappet Clearance Crankcase Explosion Reason of Nimonic coating on Exhaust Valve Surge Limit of Turbocharger Advantage of Crosshead type of Engine Why main Exhaust Valve does not have Spring Why Piston cooling oil goes from bottom to top? Why Lower TBN oil is used in Cylinder lubrication? Deadband of Governor Why con-rod of 4-st Engine is I – Section? Why ... Read more
- [Auxiliary Machines](https://marinerspointpro.com/auxiliary-machines/): Echosounding Muff Coupling Flame Arrestor Ballast water Treatment Ballasting and Deballasting Fusible Plug Fuel oil System in Ship Refrigeration cycle H.F.O Bunker Line Diagram Function of Compressor in AC Settling tank What is a Fathom ? Heat Exchanger Refrigerant Charging Procedure Function of Back Pressure Valve in Refrigeration System How to vent Air from Steering Gear ? What is TPA and Anti Explosion ? Panting Blind Disc in Purifier Clarifier & Purifier Check Out Other Important Topics Home IC Engine Electrical Important PDFs Boilers Synergy Maritime Exam Naval Arch Interview Questions Difference Between Types of Pumps Types of Valves MEO ... Read more
- [Types of Pumps](https://marinerspointpro.com/types-of-pumps/): Gear Pump Centrifugal Pump Rotory Pump Centrifugal Pump Questions Why discharge valve closed during starting Reciprocating Pump Questions with Answers Check Out Other Important Topics Home IC Engine Electrical Important PDFs Boilers Synergy Maritime Exam Naval Arch Interview Questions Difference Between Types of Valves MEO Class 4 Auxiliary Machines
- [Difference Between](https://marinerspointpro.com/difference-between/): Ship vs Boat 2-st Vs 4-st Water Tube Boiler & Fire Tube Boiler Safety valve vs Relief Valve High Voltage vs Low Voltage Pressure Relief Valve Vs Pressure Safety Valve PV valve Vs PV breaker Hyper Mist and Sprinkler System Lube oil Vs Fuel Oil Purifier Heavy Fuel Oil vs Marine Diesel Oil Lube Oil used in Crankcase for 2 St vs 4 St Lead Acid and Nickel Cadmium Batteries Impulse and Reaction Turbine  Crosshead and Trunk type Piston engine Check Out Other Important Topics Home IC Engine Electrical Important PDFs Boilers Synergy Maritime Exam Naval Arch Interview Questions Types ... Read more
- [Synergy Maritime Exam](https://marinerspointpro.com/synergy-maritime-exam/): Synergy Exam Syllabus Pipes & Cistern Simple Interest Compound Interest Profit & Loss Problems on Trains Arithmetic Aptitude logical Reasoning One Word Substitute Verbal Reasoning Synonyms Antonyms Mechanical Aptitude test Check Out Other Important Topics Home IC Engine Electrical Important PDFs Boilers Naval Arch Interview Questions Difference Between Types of Pumps Types of Valves MEO Class 4 Auxiliary Machines
- [Interview Questions](https://marinerspointpro.com/interview-questions-2/): Top 50+ Interview Questions SCI Interview Questions Fleet Management Interview Questions Fluid Mechanics Interview Questions TME Interview Questions Marine Diesel Engine Interview Questions Home
- [Boilers](https://marinerspointpro.com/boilers/): What is Boiler ? Fire Tube Boiler Boiler Mountings Pinch Point in Exhaust Gas Boiler Ultrasonic Cleaning of Exhaust gas Boiler Boiler Corrosion Boiler Water Treatment Boiler Gauge Glass Blow through Procedure Check Out Other Important Topics Home IC Engine Electrical Important PDFs Synergy Maritime Exam Naval Arch Interview Questions Difference Between Types of Pumps Types of Valves MEO Class 4 Auxiliary Machines
- [Naval Arch](https://marinerspointpro.com/naval-arch/): Bulwark Angle of Contraflexure Check Out Other Important Topics Home IC Engine Electrical Important PDFs Boilers Synergy Maritime Exam Interview Questions Difference Between Types of Pumps Types of Valves MEO Class 4 Auxiliary Machines
- [Test 01](https://marinerspointpro.com/test-01/): [tdc_zone type=”tdc_content”][vc_row][vc_column][td_flex_block_1 modules_on_row=”33.33333333%” limit=”3″ custom_title=”FURTHER READING” el_class=”td-crypto-latest” block_template_id=”td_block_template_11″ border_color=”#269e8e” tdc_css=”eyJhbGwiOnsiZGlzcGxheSI6IiJ9fQ==” mc1_el=”0″][/vc_column][/vc_row][/tdc_zone]
- [Edit Profile](https://marinerspointpro.com/edit_profile/): [arm_edit_profile title=”Edit Your Profile” form_id=”101″ form_position=”center” social_fields=”facebook,twitter,linkedin,vk,instagram,pinterest,youtube,dribbble,delicious,tumblr,vine,” submit_text=”Update Profile” message=”Your profile has been updated successfully.”]
- [Pdf](https://marinerspointpro.com/pdf/): We have compiled a list of Best Reference Books PDF For Marine Engineers.These Books Are used by Marine Engineer Students. Here is a complete list of the best Reference Books Pdf Which is used by Marine Engineer Students. We have done a lot of research to find the best books and we have come out with a recommended list of the best books For Marine Engineer Students. People who are searching for Free downloads free pdf copies of books by Marine Engineers. List Of Book Pdf for Marine Engineering. Book Pdf For Mariner 1.Marine Auxilliary Machine 2.A.j Warton Diesel Engine ... Read more
- [MEO CLASS 4](https://marinerspointpro.com/meo-class-4/): MEO Class 4 Written Questions and Answers part 1 MEO Class 4 Written Questions and Answers part 2 function-3-safety-and-ship-construction function-4-engineering-knowledge-general-and-motor function-5-marine-electric-technology function-6-marine-engineering-maintaince-and-repair
- [Scavenging](https://marinerspointpro.com/scavenging/): Scavenging Types of scavenging Definition terms
- [Diesel Engine cooling](https://marinerspointpro.com/diesel-engine-cooling/): Piston cooling Water cooled piston Oil cooled piston Cylinder cooling Bore cooling How idea of bore cooling came
- [MCQs](https://marinerspointpro.com/mcqs/): Boiler Marine Diesel Engine Marine Auxiliary Machine Pumps And Educators
- [Interview Questions](https://marinerspointpro.com/interview-questions/)
- [Marine Diesel Engine](https://marinerspointpro.com/marine-diesel-engine/): Engine Parts Diesel Cooling
- [Marine Auxilliary Machine](https://marinerspointpro.com/marine-auxilliary-machine/): [tdc_zone type=”tdc_content”][vc_row full_width=”stretch_row_1400 td-stretch-content”][vc_column][td_block_title title_tag=”h2″ custom_title=”Marine Auxiliary Machine” block_template_id=”td_block_template_11″ border_color=”#2d3748″ content_align_horizontal=”content-horiz-center” f_header_font_size=”24″ f_header_font_weight=”600″][/vc_column][/vc_row][vc_row full_width=”stretch_row_1400 td-stretch-content”][vc_column][td_block_text_with_title f_h2_font_size=”22″ f_h2_font_line_height=”1″ f_h2_font_weight=”600″ a_color=”#f75830″ a_hover_color=”#269e8e” tdc_css=”eyJhbGwiOnsibWFyZ2luLXRvcCI6Ii0zMCIsInBhZGRpbmctcmlnaHQiOiIxMCIsInBhZGRpbmctbGVmdCI6IjEwIiwiZGlzcGxheSI6IiJ9fQ==”] Fresh Water Generator Air Compressor Purifier Steering Gear Hydrophore System Filter Duplex Strainer Sewage Treatment Plant Hull Protection System [/td_block_text_with_title][/vc_column][/vc_row][/tdc_zone]
- [Engine parts](https://marinerspointpro.com/engine-parts/): Bed plate A -Frame Tie -bolt Cylinder cover Cylinder liner Piston >>Pistion cooling Piston ring Gudgeon pin Connecting rod Cross head Guide and guide shoe
- [Contact us](https://marinerspointpro.com/contact-us/): [tdc_zone type=”tdc_content”][vc_row][vc_column][td_block_title title_tag=”h2″ custom_title=”Contact Us” block_template_id=”td_block_template_5″ f_header_font_size=”24″ f_header_font_line_height=”1.3″ f_header_font_weight=”600″][/vc_column][/vc_row][vc_row][vc_column width=”7″][td_block_text_with_title f_post_font_size=”20″ f_post_font_line_height=”1.3″ tdc_css=”eyJhbGwiOnsicGFkZGluZy1yaWdodCI6IjEwIiwicGFkZGluZy1sZWZ0IjoiMTAiLCJkaXNwbGF5IjoiIn19″ a_color=”#f75830″ a_hover_color=”#269e8e”] For any query and suggestion feel free to contact us on the given mail id: kumarsanjeev919989@gmail.com [/td_block_text_with_title][/vc_column][vc_column width=”5″][tdm_block_socials facebook=”#” twitter=”#” instagram=”#” icons_size=”25″ content_align_horizontal=”content-horiz-center” youtube=”#” open_in_new_window=”yes” tds_social1-icons_hover_color=”#f75830″][/vc_column][/vc_row][/tdc_zone]
- [About Us](https://marinerspointpro.com/about-us/): MarinerspointPro is a Leading Web Platform for Seafarers to get solutions to all their problems at one Place as mentioned in our tagline – Complete Solution For Mariners. The objective of this website is to provide relevant information, knowledge and guidance to all its visitors. We work for your education and happiness. So Keep in Touch and Don’t Forget to Share our Posts. Founders of Marinerspointpro.com Aman Kumar Aman has done B.Tech in Marine Engineering from Indian Maritime University Kolkata. Having an extensive knowledge about Marine Engines and Machineries used Onboard, he loves to share his knowledge and experience to ... Read more
- [Terms and conditions](https://marinerspointpro.com/terms-and-conditions/): Terms and conditions These terms and conditions (“Terms”, “Agreement”) are an agreement between Website Operator (“Website Operator”, “us”, “we” or “our”) and you (“User”, “you” or “your”). This Agreement sets forth the general terms and conditions of your use of the https://marinerspointpro.com/ website and any of its products or services (collectively, “Website” or “Services”). Backups We are not responsible for Content residing on the Website. In no event shall we be held liable for any loss of any Content. It is your sole responsibility to maintain appropriate backup of your Content. Notwithstanding the foregoing, on some occasions and in certain ... Read more
- [Disclaimer](https://marinerspointpro.com/disclaimer/): Disclaimer This disclaimer (“Disclaimer”, “Agreement”) is an agreement between Website Operator (“Website Operator”, “us”, “we” or “our”) and you (“User”, “you” or “your”). This Disclaimer sets forth the general guidelines, terms and conditions of your use of the https://marinerspointpro.com/ website and any of its products or services (collectively, “Website” or “Services”). Representation Any views or opinions represented in this Website belong solely to the Content creators and do not represent those of people, institutions or organizations that the Website Operator or creators may or may not be associated with in professional or personal capacity, unless explicitly stated. Any views or ... Read more
- [SYNERGY](https://marinerspointpro.com/synergy/): Synergy interview question Synergy written exam
- [Semester Question paper](https://marinerspointpro.com/semester-question-paper-2/): »Semester 1 »Semester 2 »Semester 3 »Semester 4 »Semester 5 »Semester 6 »Semester 7
- [Privacy Policy](https://marinerspointpro.com/privacy-policy-2/): Privacy policy This privacy policy (“Policy”) describes how Website Operator (“Website Operator”, “we”, “us” or “our”) collects, protects and uses the personally identifiable information (“Personal Information”) you (“User”, “you” or “your”) may provide on the https://marinerspointpro.com/ website and any of its products or services (collectively, “Website” or “Services”). It also describes the choices available to you regarding our use of your Personal Information and how you can access and update this information. This Policy does not apply to the practices of companies that we do not own or control, or to individuals that we do not employ or manage. Collection ... Read more


[comment]: # (Generated by Hostinger Tools Plugin)