A.has much to do with the operation of the engine and its life
B.have much to do with the operation of the engine and its life
C.has much doing with the operation of the engine and its life
D.have much doing with the operation of the engine and its life
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A.be affected
B.affect
C.be effected
D.effect
A.look for
B.find out
C.consult
D.read
A.join with
B.mix
C.be equal to
D.be constant
A.the bottom of the column；the cylinder blocks
B.the top of the column；the cylinder heads
C.the top of the column；the cylinder blocks
D.the bottom of the column；the cylinder heads
A.the inlet valve
B.the outlet valve
C.both the inlet valve and the outlet valve
D.the pump inlet valve
最新試題
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Proper filtering and straining of fuel oil is important because 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 （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
A diesel engine piston ring face is in direct contact with the （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
In using reduction gears to obtain efficient propeller speeds, （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Lube oil cannot be efficiently filtered if its （）.
An automated diesel engine should normally shut down due to （）