單項(xiàng)選擇題The diffuser prevents pressure pulses from one cylinder （） another during operation.
A.to interfere with
B.interfering with
C.to help scavenging
D.helping scavenging
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1.單項(xiàng)選擇題The diesel engine must be started before it can run by it self For this purpose （） has to be used.
A.a starting system
B.the starting air
C.a starting operation
D.A, B and C
2.單項(xiàng)選擇題The diesel engine is a type of internal combustion engine which ignites the fuel by injecting it into hot, high pressure air in a （）.
A.air bottle
B.air compressor
C.crank case
D.combustion chamber
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Routine monitoring of a diesel engine should include （）.
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What is the function of the thrust bearing?（）
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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 （）.
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If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
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The ability of the governor to prevent fluctuations in engine speed is termed （）.
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