A.should be scraped
B.should be derusted
C.should be drilled out
D.to be brushed off
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A.a bridge gauge
B.a micrometer
C.a thermometer
D.a indicator
A.the burning
B.the fuel
C.the air charge
D.the engine piston
A.welded
B.replaced
C.drilled again
D.bored
A.end-chock bolts
B.side-chock bolts
C.through bolts
D.tie rods
A.the gap
B.the clearance
C.the bore
D.the housing
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In using reduction gears to obtain efficient propeller speeds, （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
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 （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
The function of diesel engine piston compression rings is to （）.