A.push rods
B.chain drives
C.rocker arms
D.flywheels
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A.provide steam for emergency propulsion
B.provide steam for the turbo-generator
C.heat the waste water tanks
D.steam for warming engines
A.375 RPM
B.500 RPM
C.750 RPM
D.1500 RPM
A.raise lube oil viscosity for easier starting in cold weather
B.increase air inlet temperature
C.increase compression ratio
D.increase jacket water temperature for easier starting in cold weather
A.reduce engine exhaust noise
B.reduce engine back pressure
C.increase engine cycle efficiency
D.increase turbocharger efficiency
A.create turbulence in the combustion chamber
B.aid in completing cylinder scavenging
C.inject fuel at the proper time
D.minimize fuel penetration into the cylinder
最新試題
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
The highest pressure in a diesel engine cylinder normally occurs （）.
An automated diesel engine should normally shut down due to （）
A diesel engine piston ring face is in direct contact with the （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
Combustion knock occurring in a diesel engine can be caused by （）.
What is the function of the thrust bearing?（）