A.too great a loading
B.fouled turbocharger
C.bad combustion
D.excessive air
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A.the gases
B.the air
C.the valves
D.the injectors
A.contaminating water
B.contaminated additives
C.contaminated fuel
D.contaminating impurities
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
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Proper filtering and straining of fuel oil is important because the （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Maximum horsepower of a diesel engine is attained （）.
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 main purpose of the piston oil scraper rings is to （）.
Lube oil cannot be efficiently filtered if its （）.
The function of diesel engine piston compression rings is to （）.
In using reduction gears to obtain efficient propeller speeds, （）.