网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
On a diesel engine equipped with a hydraulic speed control governor, hunting in many cases can be corrected by adjusting the ()
A

accumulator spring compressor

B

balance piston

C

compensating needle valve

D

proportional piston


参考答案

参考解析
解析: 暂无解析
更多 “单选题On a diesel engine equipped with a hydraulic speed control governor, hunting in many cases can be corrected by adjusting the ()A accumulator spring compressorB balance pistonC compensating needle valveD proportional piston” 相关考题
考题 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 springsB.compressed air pressureC.hydraulic pressureD.exhaust gas pressure

考题 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 filterB.Soak the dirty filter in kerosene onlyC.Blow out the air inlet with compressed airD.Cover the air inlet after removing the filter

考题 On a diesel engine equipped with a hydraulic speed control governor, hunting in many cases can be corrected by adjusting the______.A.accumulator spring compressionB.balance pistonC.compensating(补偿) needle valveD.proportional piston

考题 单选题()are increasingly used as main engine on merchant vessels, because they have a high Hp/Weight ratio.A Slow speed diesel enginesB Medium-speed diesel enginesC Steam enginesD Gasoline engines

考题 单选题If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will ()A have a larger than normal dead bandB produce excessive speed response to a load changeC respond slowly to any change in engine loadD stabilize engine speed at the new governor setting

考题 单选题Load control on a diesel engine is accomplished by ().A regulating the speed of the turbochargerB rotating the fuel injector pump plungerC regulating the speed of the fuel oil transfer pumpD changing engine timing

考题 单选题The purpose of the compensating adjustment used in a diesel engine hydraulic governor is to ()A compensate for low oil levelB increase governor promptnessC prevent governor huntingD limit engine load

考题 单选题For most diesel propulsion and generator engines, the over-speed trip device will stop the engine by ()A moving the governor control to stopB shutting off the lubricating oil supplyC tripping the governor emergency stop leverD shutting off the fuel supply

考题 单选题A diesel engine which is rated for normal operation at a crankshaft speed of 800 RPM, is commonly classed as a ().A slow-speed dieselB medium-speed dieselC high-speed dieselD constant-speed diesel

考题 单选题The camshaft drive is designed to maintain proper camshaft speed relative to crankshaft speedIn maintaining this relationship, the camshaft drive causes the camshaft to rotate at()A one half crankshaft speed in a two-stroke cycle diesel engineB crankshaft speed in a two-stroke cycle diesel engineC two times crankshaft speed in a two-stroke cycle diesel engineD one-fourth times crankshaft speed in a four-stroke cycle diesel engine

考题 单选题Starting a large low-speed propulsion diesel engine on diesel fuel during cold weather conditions, will be made easier by ()A increasing the quantity of starting airB increasing the lube oil pressureC heating the engine fuel supplyD heating the engine coolant

考题 单选题To correct a hunting problem in a main propulsion diesel engine hydraulic governor, you should ().A increase the governor oil pressureB adjust the speed droop settingC adjust the speeder spring travelD adjust the compensating needle valve

考题 单选题When attempting to start a main propulsion diesel engine, the engine, the engine turns at the proper speed but will not startYou should check the()A starting air pressureB scavenge air pressureC over-speed tripD banjo oiler line

考题 单选题Defective atomizer in a diesel engine will lead to().A smoky exhaustB starting failureC overloadD over speed

考题 单选题In conventional systems, the injection pressure(), while it’s()in common rail diesel engines.A fluctuates with the engine speed to some extent, independent of the engine speedB keeps constant at all engine speed, dependent on the engine speed to some extentC keeps constant at all engine speed, independent of the engine speedD is decided by the engine speed, constant at all engine speed

考题 单选题Increasing the load on an engine equipped with a constant speed mechanical governor, will cause the engine speed to initially ().A increaseB decreaseC fluctuateD remain constant

考题 单选题Main diesel engine control can be obtained by the bridge ()A at any timeB only after the engine room control station is switched to ‘bridge control’C whenever the secondary station is switched to ‘bridge control’D whenever the engine side control station is switched to ‘bridge control’

考题 单选题On a diesel engine equipped with a hydraulic speed control governor, hunting in many cases can be corrected by adjusting the ()A accumulator spring compressorB balance pistonC compensating needle valveD proportional piston

考题 单选题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 filterB Soak the dirty filter in kerosene onlyC Blow out the air inlet with compressed airD Cover the air inlet after removing the filter

考题 单选题If a diesel engine rotates slowly when cranked, but does not fire, the()A fuel control rack had admitted excessive fuelB engine speed does not match the fuel rack settingC engine has failed to reach its firing speedD starter pinion and ring gear contact is not correct

考题 单选题Fuel injection uses the jet pump system and a Woodward type hydraulic () is used to control engine speed.A controllerB governorC instrumentD apparatus

考题 单选题A diesel engine is equipped with an isochronous hydraulic governorA decrease in load will cause the engine speed to ()A decrease onlyB increase onlyC decrease slightly then returned to original speedD increase slightly then returned to original speed

考题 单选题If the speed of a turbocharged diesel engine is maintained constant the turbocharger speed will ()A decrease until the engine speed increasesB increase as the load increasesC decrease as the loadD increases remain unchanged

考题 单选题In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the ()A governor droopB speeder spring tensionC fuel rack lagD load on the engine

考题 单选题Which of the following adjustments is always required whenever the diesel engine governor oil has been drained and renewed?()A speed droopB compensationC idle speed settingD load limit control

考题 单选题On a diesel engine equipped with an isochronous governor, if the “speed droop” control is reduced to the “zero” setting, the engine ()A speed will drop drastically with any increase in loadB will stop due to zero fuel supplyC will stall upon application of loadD speed will remain fairly constant despite load changes

考题 单选题A six-cylinder, two-stroke/cycle diesel engine is fitted with a rotary distributing air starting systemThe speed of the rotating distributor disc is ()A one-half engine speedB the same as engine speedC twice engine speedD four times engine speed

考题 单选题The hydraulic () is used to control engine speed.A motorB pumpC governorD capstan