A.the latter
B.latter
C.former
D.the former
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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
A.is usually cooled by sea water
B.can be replaced when worn out
C.is in direct contact with the water in the bore of the cylinder
D.can t expand when heated
最新試題
To determine if the lube oil filter elements need changing, （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Maximum horsepower of a diesel engine is attained （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Lube oil cannot be efficiently filtered if its （）.
An automated diesel engine should normally shut down due to （）
Routine monitoring of a diesel engine should include （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
What is the function of the thrust bearing?（）