Sanjeev Kumar 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
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 … Read more
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 … Read more
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, … Read more
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 … Read more
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 … Read more