A.the type of coolant
B.the design of the engine
C.the type of fuel to be burned
D.B and C
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A.nuts
B.bolts
C.coil springs
D.stuffing boxes
A.being bolted
B.bolted
C.bolting
D.to be bolted
A.so a height
B.such a height
C.so high
D.such high
A.too great a loading
B.fouled turbocharger
C.bad combustion
D.excessive air
A.the gases
B.the air
C.the valves
D.the injectors
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Proper filtering and straining of fuel oil is important because the （）.
In a simple mechanical governor, the （）.
The main purpose of the piston oil scraper rings is to （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Maximum horsepower of a diesel engine is attained （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
To determine if the lube oil filter elements need changing, （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Lube oil cannot be efficiently filtered if its （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.