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
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A.viscosity is too low
B.temperature is too low
C.pump discharge pressure is higher than the systems pressure
D.pump capacity is greater than the systems needs
A.they must be located at the after end of the engine
B.they can only be used with one engine at a time
C.they eliminate the need for controllable pitch propellers
D.they are connected to the engine with a flexible coupling
A.excessive fuel penetration
B.prolonged injection lag
C.reduced ignition lag
D.prolonged ignition lag
A.control axial movement of the crankshaft
B.transmit engine thrust to the propeller shaft
C.absorb vibrations in the propeller shafting
D.prevent propeller thrust from being transmitted to the hul
A.wheelhouse control station
B.engine room control station
C.captains office
D.chief engineers office
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A diesel engine piston ring face is in direct contact with the （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
In a simple mechanical governor, the （）.
An automated diesel engine should normally shut down due to （）
Maximum horsepower of a diesel engine is attained （）.
In using reduction gears to obtain efficient propeller speeds, （）.
The main purpose of the piston oil scraper rings is to （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Lube oil cannot be efficiently filtered if its （）.
Diesel engine control can be obtained by the bridge （）.