A BFP or boiler feed pump is used in boiler feed water system to increase the water pressure; high enough so it can be pumped into the boiler drum. It helps maintain proper working of a boiler providing continues feed…
Boiler mountings are a set of safety device installed for the safe operation of a boiler. There are seven main mountings on a boiler shell; safety valve, steam stop valve, vent valve, pressure gauge, water level indicator, feed check valve…
What is gear pump? A gear pump is a type of positive displacement constant delivery rotary pump. What it means is that it generate a constant amount It converts mechanical energy into fluid energy creating void suction with the help…
Among all machinery Oily Water Separator ( OWS ) is given a unique status because of it function and penalties that may imposed because of its irregularities to the ship owner/manager and criminal punishment to seafarer under whose duty Oily…
Excitation / Excitation voltage or more precisely excitation system of a generator ( A.C ) is one of the leading sphere of doubts and questions asked in interviews. While these big machineries work on the Faraday’s law of electromagnetic induction.…
A Marine diesel engine consists of many working parts. Even different components make few modification in its design but their function remains the same. Each component has a definite function and location in its working. Chances are, you already know…
The hot topic among marine engineering students and seafarer preparing for the exam has been of Tappet Clearance. The clearance in between the valve stem and rocker arm is termed as tappet clearance. They facilitate the operation of rocker arm…
Exhaust valves are subjected to high temperature and shoot. This can sometimes lead to valve seizure, heavy shoot deposits, and local Overheating. A Rotocap is used to protect the exhaust valve from above concerns extending its overall life. It is…
Centrifugal pumps are one of the most commonly used pumps on the earth with ever growing applications. They are simple and reliable machine of any machinery space. On ship they are the simplest of machinery installed in the engine room.…