A.pressure gauges
B.stretch gauges
C.thermometers
D.bridge gauges
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A.should be gradually increased
B.should be gradually reduced
C.should be constantly kept
D.should be varied up and down
A.dividing walls
B.divided walls
C.dividing liners
D.divided jackets
A.water liner
B.wet liner
C.dry liner
D.drown liner
A.sea water
B.scavenging air
C.lubricating oil
D.fuel oil
A.jacket water
B.make-up water
C.boiler water
D.flushing water
最新試題
Lube oil cannot be efficiently filtered if its （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
To determine if the lube oil filter elements need changing, （）.
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 （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.