A.commercially available
B.commercially
C.commercial available
D.commerce available
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A.to a great extent
B.on a great extent
C.on mainly
D.on only
A.the type of coolant
B.the design of the engine
C.the type of fuel to be burned
D.B and C
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
最新試題
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
To determine if the lube oil filter elements need changing, （）.
Combustion knock occurring in a diesel engine can be caused by （）.
White smoke exhausting from an operating diesel engine may indicate （）.
Maximum horsepower of a diesel engine is attained （）.
The main purpose of the piston oil scraper rings is to （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
Proper filtering and straining of fuel oil is important because the （）.
A diesel engine piston ring face is in direct contact with the （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.