A.are made of
B.are made from
C.make use of
D.are used to
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A.the clearance of the main bearing
B.the diameter of main bearing
C.the hardness of main bearing
D.the tolerance of main bearing
A.the clearance of the main bearing
B.the play of the miler bearing
C.the gap of the main bearing
D.the tolerance of the main bearing
A.of crosshead type
B.of trunk piston type
C.of low speed type
D.all the above
A.end
B.web
C.pin
D.journal
A.sea cheat
B.air receiver
C.crankcase
D.water box
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White smoke exhausting from an operating diesel engine may indicate （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Combustion knock occurring in a diesel engine can be caused by （）.
What is the function of the thrust bearing?（）
The main purpose of the piston oil scraper rings is to （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
An automated diesel engine should normally shut down due to （）