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
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
In a simple mechanical governor, the （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
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 （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.