Sanjeev Kumar 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 … Read more
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 … Read more
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 … Read more
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 ? … Read more
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 … Read more
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 … Read more
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 … Read more
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 … Read more
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 … Read more
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 … Read more