A.lubricant
B.coolant
C.combustion product
D.second refrigerant
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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
A.excessive heat
B.insufficient heat
C.effective cooling
D.high output
A.scale
B.sludge
C.chemicals
D.air
最新試題
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Proper filtering and straining of fuel oil is important because the （）.
Lube oil cannot be efficiently filtered if its （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Routine monitoring of a diesel engine should include （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
The function of diesel engine piston compression rings is to （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）