A.Prevents lateral movement of the slow speed gear
B.Transmits propeller thrust to the hull
C.Keeps spring bearings in line
D.Prevents main reduction gear axial movement
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A.under high pressure
B.under low pressure
C.heated to reduce viscosity
D.cooled to increase viscosity
A.fuel oil pump will over-speed if dirt is not removed
B.fuel oil transfer pumps cannot tolerate small amounts of dirt in the oil
C.fuel injectors may be damaged by foreign particles in the fuel oil
D.dirty fuel will clog the intake air filter
A.low lube oil temperature
B.high ambient air temperature
C.low tube oil pressure
D.high exhaust system back pressure
A.the type and size of the engine
B.the condition of the engine
C.ambient temperature
D.all of the above
A.it has a longer power stroke
B.more air gets into the cylinder each stroke
C.it develops twice as many power strokes at the same speed
D.higher combustion pressure is developed
最新試題
The highest pressure in a diesel engine cylinder normally occurs （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
To determine if the lube oil filter elements need changing, （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Lube oil cannot be efficiently filtered if its （）.
In using reduction gears to obtain efficient propeller speeds, （）.
A diesel engine piston ring face is in direct contact with the （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
White smoke exhausting from an operating diesel engine may indicate （）.