A.turning cycle
B.working cycle
C.working hour
D.working stroke
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A.to be kept
B.logged
C.changed
D.has remained
A.spilled
B.overflowed
C.sprayed
D.injected
A.acids
B.additives
C.heat
D.gear
A.invade
B.provide
C.detergent
D.neutralize
A.a strain tank
B.a head tank
C.a service tank
D.a strainer
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Maximum horsepower of a diesel engine is attained （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The function of diesel engine piston compression rings is to （）.
In a simple mechanical governor, the （）.
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 （）.
What is the function of the thrust bearing?（）
A thrust bearing is used with a propulsion diesel engine to （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
To determine if the lube oil filter elements need changing, （）.