The ability of the governor to prevent fluctuations in engine speed is termed （）.

[单选题]In a simple mechanical governor, the （）.A . centrifugal force rotates the ball-headB . flyweight centrifugal force is balanced by spring forceC . flyweight centrifugal force is balanced by hydraulic pressureD . speeder spring alone actuates the fuel

[单选题]The governor of a generator engine is to （）.A . make the engine stopB . regulate the timing of camshaftsC . make the rpm stabilize at any required valueD . make the engine run at nearly constant speed

[单选题]The governor had to _______ from office because of the scandal.A． resignB． removeC． retreatD． retire

[单选题]The most common contaminate of governor hydraulic fluid is （）.A . moistureB . dirtC . acidD . air

[单选题]A governor automatically controls engine speed by regulating （）.A . fuel supplyB . firing orderC . engine loadD . oil level

[单选题]On most diesel engines, the governor controls the output speed by （）.A . controlling the amount of fuel injected into the cylindersB . varying the speed of the turbochargerC . adjusting the compression ratioD . changing the timing of the fuel injecti

[单选题]To prevent excessive __ in the transverse girders, the tie bolts are positioned as close to the center of the crankshaft as possibleA．thermal stressesB．bending momentsC．thermal loadsD．surface tensions

[单选题]To prevent excessive __ in the transverse girders, the tie bolts are positioned as close to the center of the crankshaft as possibleA．thermal stressesB．bending momentsC．thermal loadsD．surface tensions

[试题]Theytook________measurestopreventpoisonousgasesfromescaping.A．)fruitfulB)beneficialC．)validD)effective

[单选题]（） device is provided to prevent starting air from being admitted to the cylinder before the reversing is completed.A . An automaticB . A transmissionC . A self-regulatingD . An interlocking