A.top and bottom
B.to and fro
C.up and down
D.back and forth
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A.piston
B.drum
C.plunger
D.barrel
A.the needle valve
B.the plunger
C.the piston
D.the cylinder
A.turbo-chargers surge
B.spark seen from the drains
C.paint blistering
D.all above are right
A.precautions
B.rpm
C.indicator cards
D.B and C
A.vacuum pressure
B.specific gravity
C.heat
D.viscosity
最新試題
What is the function of the thrust bearing?（）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
A diesel engine piston ring face is in direct contact with the （）.
Routine monitoring of a diesel engine should include （）.
The function of diesel engine piston compression rings is to （）.
Diesel engine control can be obtained by the bridge （）.
In using reduction gears to obtain efficient propeller speeds, （）.
In a simple mechanical governor, the （）.
Lube oil cannot be efficiently filtered if its （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.