A.chromed
B.welded
C.galvanized
D.bolted
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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
A.cylinder liner
B.coupling flange
C.cylinder cover
D.piston crown
最新試題
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
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, （）.
In a simple mechanical governor, the （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Routine monitoring of a diesel engine should include （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）