A.low compression of the fuel pumps
B.incorrect timing of fuel pumps
C.the starting air valves stuck
D.air-locks in fuel oil pipeline
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A.must to stand inoperative
B.has to stand inoperative
C.must be stood idle
D.will stand idle
A.repaired
B.replaced
C.replenished
D.repeated
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
最新試題
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
A thrust bearing is used with a propulsion diesel engine to （）.
A diesel engine piston ring face is in direct contact with the （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
To determine if the lube oil filter elements need changing, （）.
What is the function of the thrust bearing?（）
Lube oil cannot be efficiently filtered if its （）.
The main purpose of the piston oil scraper rings is to （）.