A.repaired
B.replaced
C.replenished
D.repeated
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A.viscosity
B.flash point
C.acid value
D.temperature
A.lubricant
B.coolant
C.combustion product
D.second refrigerant
A.differential of crank-webs
B.indicator diagrams
C.lube oil reading out
D.misalignment of crank-throws
A.many thousand times
B.between times
C.one time
D.at times
A.temperature
B.viscosity
C.density
D.velocity
最新試題
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
In using reduction gears to obtain efficient propeller speeds, （）.
Combustion knock occurring in a diesel engine can be caused by （）.
What is the function of the thrust bearing?（）
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
A diesel engine piston ring face is in direct contact with the （）.
Proper filtering and straining of fuel oil is important because the （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
The highest pressure in a diesel engine cylinder normally occurs （）.