accumulator spring compressor
balance piston
compensating needle valve
proportional piston
第1题:
On a diesel engine equipped with a hydraulic speed control governor, hunting in many cases can be corrected by adjusting the______.
A.accumulator spring compression
B.balance piston
C.compensating(补偿) needle valve
D.proportional piston
第2题:
have a larger than normal dead band
produce excessive speed response to a load change
respond slowly to any change in engine load
stabilize engine speed at the new governor setting
第3题:
The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by_______.
A.large conical springs
B.compressed air pressure
C.hydraulic pressure
D.exhaust gas pressure
第4题:
slow-speed diesel
medium-speed diesel
high-speed diesel
constant-speed diesel
第5题:
compensate for low oil level
increase governor promptness
prevent governor hunting
limit engine load
第6题:
Slow speed diesel engines
Medium-speed diesel engines
Steam engines
Gasoline engines
第7题:
regulating the speed of the turbocharger
rotating the fuel injector pump plunger
regulating the speed of the fuel oil transfer pump
changing engine timing
第8题:
Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger? .
A.Reduce engine speed to idle before removing the filter
B.Soak the dirty filter in kerosene only
C.Blow out the air inlet with compressed air
D.Cover the air inlet after removing the filter
第9题:
moving the governor control to stop
shutting off the lubricating oil supply
tripping the governor emergency stop lever
shutting off the fuel supply
第10题:
one half crankshaft speed in a two-stroke cycle diesel engine
crankshaft speed in a two-stroke cycle diesel engine
two times crankshaft speed in a two-stroke cycle diesel engine
one-fourth times crankshaft speed in a four-stroke cycle diesel engine