A.machine efficiency
B.machinery efficiency
C.mechanical efficiency
D.mechanics efficiency
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A.to need
B.ready for
C.want to
D.going to be
A.water
B.fresh air
C.fuel oil
D.gas
A.caulked into
B.caulking into
C.pressed into
D.screwed into
A.to prevent the fuel system from becoming air-hound
B.to prevent the fuel system becoming clogged with dirty particles
C.both of the above
D.to prevent the lubricating oil from leaking out of the filter element
A.diameters of journals
B.deflections of crankwebs
C.diameters of crankpins
D.none of the above
最新試題
White smoke exhausting from an operating diesel engine may indicate （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Lube oil cannot be efficiently filtered if its （）.
What is the function of the thrust bearing?（）
The highest pressure in a diesel engine cylinder normally occurs （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Proper filtering and straining of fuel oil is important because the （）.
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 （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.