A.flywheel
B.crankshaft
C.journal bearings
D.camshaft
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A.45
B.60
C.90
D.100
A.inside micrometer
B.feeler gauge
C.adjustable trammel
D.sighting device
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
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Proper filtering and straining of fuel oil is important because the （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Lube oil cannot be efficiently filtered if its （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
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 （）.
A diesel engine piston ring face is in direct contact with the （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Routine monitoring of a diesel engine should include （）.
White smoke exhausting from an operating diesel engine may indicate （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）