A.density
B.bore
C.weight
D.material
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A.steel guides
B.steel shells
C.steel bearing caps
D.pig iron
A.flange
B.flash
C.plate
D.sheet
A.main bearing shells
B.main bearing
C.steel
D.bearing metal
A.inside the bearing
B.outside the bearing
C.covering the crankshaft
D.none of the above
A.seized
B.clogged
C.melted
D.inserted
A.sufficient quantity； measured
B.measured quantity；sufficient
C.excessive quantity；sufficient
D.the less quantity the better；the more the better
A.atmosphere
B.the fresh water
C.compressed air
D.chemical compounds
A.a filter
B.a strainer
C.a magnetic filter
D.a fine strainer
A.tank
B.sump
C.vessel
D.bottle
A.a coil spring
B.a sealing ring
C.an oil distributor ring
D.main seal ring
最新试题
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Routine monitoring of a diesel engine should include （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The function of diesel engine piston compression rings is to （）.
Combustion knock occurring in a diesel engine can be caused by （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.