A.strength
B.dense
C.percentage
D.velocity
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A.the pulse-phase system
B.the pulse Doppler system
C.the pulse system
D.the pulse interval
A.more than the working temperature
B.less than the working temperature
C.the working temperature
D.the same as the surrounding temperature
A: Please tell me the specifications and quantity.
B: （）
A.Pump diesel oil first
B.300 tons of 180 cst fuel oil
C.The figure is all right
D.OK, I’ll sign it
A.of
B.up of
C.from
D.out
A.piston skirt
B.piston crown
C.guide way
D.cross-head
最新試題
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
Maximum horsepower of a diesel engine is attained （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Combustion knock occurring in a diesel engine can be caused by （）.
In using reduction gears to obtain efficient propeller speeds, （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
What is the function of the thrust bearing?（）
Lube oil cannot be efficiently filtered if its （）.