A.be jammed
B.be opened
C.be seated
D.be broken
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A.more water contents
B.contamination with fuel oil
C.higher temperature
D.sufficient cooling of oil mist
A.is always less than 100%
B.is always more than 100%
C.is always equal to 90%
D.is always less than 90%
A.principle
B.principal
C.cause
D.case
A.two-stroke
B.four-stoke
C.long-stroke
D.short-stroke
A.bedplate, connecting rods
B.crankshaft, the connecting rods
C.frames, crossheads
D.crankshaft, the cylinder
最新試題
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Proper filtering and straining of fuel oil is important because the （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Maximum horsepower of a diesel engine is attained （）.
A diesel engine piston ring face is in direct contact with the （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.