A.speed
B.friction
C.impact
D.atmosphere
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A.the latter
B.latter
C.former
D.the former
A.chromed
B.welded
C.galvanized
D.bolted
A.a high exhaust temperature
B.a high smoky exhaust
C.a high output
D.a high compression
A.packings
B.piston rings
C.distributor rings
D.scraper rings
A.bridges
B.recesses
C.rears
D.ridging
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To determine if the lube oil filter elements need changing, （）.
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What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Routine monitoring of a diesel engine should include （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
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 （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Proper filtering and straining of fuel oil is important because the （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
What is the function of the thrust bearing?（）