A.inside micrometer
B.feeler gauge
C.adjustable trammel
D.sighting device
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A.starting air and fuel pumps
B.piston cooling pumps
C.exhaust valves
D.all of the above
A two-stroke diesel engine exhaust temperature will be lower than a four-stroke diesel engine of the same displacement because the （）
(1) MEP is lower and the scavenging air is cooling the exhaust gases
(2) valve overlap in a four-stroke
A.(1) only is correct
B.(2) only is correct
C.both (1) and (2) are correct
D.Neither (1) or (2) are correct
A.water
B.babbitt
C.iron or steel
D.acids
A.Impurities
B.Lube oil
C.Gasoline
D.Diesel fuel
A.moisture
B.dirt
C.acid
D.air
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The ability of the governor to prevent fluctuations in engine speed is termed （）.
The main purpose of the piston oil scraper rings is to （）.
Routine monitoring of a diesel engine should include （）.
To determine if the lube oil filter elements need changing, （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
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 （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Combustion knock occurring in a diesel engine can be caused by （）.
In using reduction gears to obtain efficient propeller speeds, （）.