A.injecting fuel oil into a cylinder
B.removing exhaust gases from the cylinder
C.forcing air into the cylinders under pressure after the exhaust valve has dosed
D.a combination of all the above
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A.the suction
B.the compression
C.the removal
D.the deliver
A.governor
B.safety valve
C.reducing valve
D.feed water regulator
A.automatic
B.local
C.remote
D.manual
A.make sure
B.be sure
C.assure
D.believe
A.in duplicate
B.in double
C.at twice
D.for two
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Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
To determine if the lube oil filter elements need changing, （）.
Maximum horsepower of a diesel engine is attained （）.
Diesel engine control can be obtained by the bridge （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
In a simple mechanical governor, the （）.
A diesel engine piston ring face is in direct contact with the （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
The highest pressure in a diesel engine cylinder normally occurs （）.