A.manoeuvring operations
B.bad combustion
C.cooling
D.mooring trial
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A.viscosity
B.twisting moments
C.inertia
D.thermal expansion
A.bottom
B.middle
C.top
D.none of the above
A.higher
B.lower
C.the same
D.none of the above
A.the piston rods
B.the crank throws
C.the thrust bearings
D.the main bearings
A.angled
B.rounded
C.being angled
D.being rounded
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If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
A diesel engine piston ring face is in direct contact with the （）.
White smoke exhausting from an operating diesel engine may indicate （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
The function of diesel engine piston compression rings is to （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The main purpose of the piston oil scraper rings is to （）.
In a simple mechanical governor, the （）.