A.such far away from
B.such near by
C.as far away from
D.as near by
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A.as far as
B.as soon as
C.as close as
D.as closer as
A.gas oil
B.diesel oil
C.chemical compound
D.Freon-12
A.top and bottom
B.to and fro
C.up and down
D.back and forth
A.piston
B.drum
C.plunger
D.barrel
A.the needle valve
B.the plunger
C.the piston
D.the cylinder
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Proper filtering and straining of fuel oil is important because the （）.
Lube oil cannot be efficiently filtered if its （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
White smoke exhausting from an operating diesel engine may indicate （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Diesel engine control can be obtained by the bridge （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.