The strength of a deck will be increased by adding.?
A) Deck beam brackets B) camber C) hatch beams D) sheer E)NULL
Soru Kategorisi GASM Sınavı
Most medium and slow speed diesels are started by what medium?
A) Compressed air B) Electric starting motor C) Hydraulics D) Either E)Pressurized fresh water
You are replacing a section of heavy piping on deck and using a chain fall to lift the pipe. Which of the following precautions should be taken to prevent personal injury ?
A) Attach lines to the ends of the pipe and have your helpers steady the load B) Position several men under the pipe so they can catch it if it falls C) Place an old mattress under the hoist to…
In a diesel main engine, the cause of a sudden load reduction in a cylinder or its total failure may be:?
A) Defective or clogged-up fuel valve B) The fuel pump plunger has seized in the barrel C) Too low compression owing to worn piston rings leaky inlet or exhaust valves or lack of clearance in the valve actuating gear D)…
What statement is not true regarding tubes of a fire tube boilers ?
A) All the tubes are made of heat-resistant metal B) All the tubes are surrounded by water C) All the tubes immersed in water D) All the tubes are mounted vertically E)The hot gases pass through these tubes
Wildcat is a componet of;?
A) Capstan B) Drum C) Windlass D) Derrick E)Mooring winch
The oil temperature is controlled by means of a_____________in the lubricating oil system.?
A) preheater B) sump C) cooler D) thermostatic valve E)strainer
Receiving fuel on board the vessel is called as:?
A) Storage B) Seperation C) Bunkering D) Transfer E)Service
Standby, or emergency diesel generator day tanks should always be kept full to reduce the possibility of _____?
A) Sediment contamination B) Fuel filter clogging C) Moisture formation from condensation D) Inadequate transfer pump suction head E)NULL
If the compression ratio is increased on any diesel engine _____?
A) The expansion ratio will decrease B) Combustion will be slowed down C) Thermal efficiency will decrease D) Thermal efficiency will increase E)NULL