A.contaminating water
B.contaminated additives
C.contaminated fuel
D.contaminating impurities
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A.atmosphere
B.the fresh water
C.compressed air
D.chemical compounds
A.by turning the pump plunger
B.by vary the fuel valve spring force
C.by no means by controlling the governor
D.by enlarging or diminishing the injection hole
A.counterbalance the crank throws on the crankshaft
B.keep the engine running smoothly between power stroke
C.provide a belt-driving surface for the operation of auxiliary machinery
D.prevent the engine from overspeeding
A.the cross-head
B.the pumps
C.the shell
D.the load
A.gear
B.nonpositive displacement
C.positive displacement
D.rotary
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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 main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
An automated diesel engine should normally shut down due to （）
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Diesel engine control can be obtained by the bridge （）.
In a simple mechanical governor, the （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
The main purpose of the piston oil scraper rings is to （）.
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 （）.