The governor brake shall be capable of controlling the speed of lowering a fully equipped lifeboat with its complement of persons on board at ______.A.safe speed only specifiedB.not less than 120 feet per minuteC.not more than 120 feet per minuteD.not mor

题目

The governor brake shall be capable of controlling the speed of lowering a fully equipped lifeboat with its complement of persons on board at ______.

A.safe speed only specified

B.not less than 120 feet per minute

C.not more than 120 feet per minute

D.not more than 90 feet per minute


相似考题
更多“The governor brake shall be capable of controlling the speed of lowering a fully equipped ”相关问题
  • 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


    正确答案:C

  • 第2题:

    The load sharing characteristics of two diesel generators operating in parallel are mostly dependent on their governor ______.

    A.load limit settings

    B.idle speed settings

    C.speed limit settings

    D.speed droop settings


    正确答案:D

  • 第3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 band

    B

    produce excessive speed response to a load change

    C

    respond slowly to any change in engine load

    D

    stabilize engine speed at the new governor setting


    正确答案: D
    解析: 暂无解析

  • 第4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 stop

    B

    shutting off the lubricating oil supply

    C

    tripping the governor emergency stop lever

    D

    shutting off the fuel supply


    正确答案: D
    解析: 暂无解析

  • 第5题:

    单选题
    A fully loaded motor-propelled lifeboat must be capable of attaining a speed of at least().
    A

    3 knots in smooth water

    B

    6 knots in smooth water

    C

    3 knots in rough water

    D

    6 knots in rough water


    正确答案: B
    解析: 暂无解析

  • 第6题:

    单选题
    The device used to limit engine torque at various engine speeds is called a ()
    A

    speed limiting governor

    B

    variable speed governor

    C

    constant speed governor

    D

    load limiting governor


    正确答案: B
    解析: 暂无解析

  • 第7题:

    单选题
    If a main propulsion diesel engine hunts excessively at idle speed, you should ()
    A

    adjusts the idle speed control

    B

    drain and flushes the governor and replace the oil

    C

    adjusts the compensating needle valve


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    Defective governor in a diesel engine may lead to ().
    A

    smoky exhaust

    B

    starting failure

    C

    ignition relay

    D

    over speed


    正确答案: B
    解析: 暂无解析

  • 第9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

    increase

    B

    decrease

    C

    fluctuate

    D

    remain constant


    正确答案: A
    解析: 暂无解析

  • 第10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 only

    B

    increase only

    C

    decrease slightly then returned to original speed

    D

    increase slightly then returned to original speed


    正确答案: D
    解析: 暂无解析

  • 第11题:

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

    sensitivity

    B

    stability

    C

    promptness

    D

    speed droop


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    A device which functions to bring a diesel engine to a full stop to protect it from damage is known as a/an ()
    A

    torque limiter

    B

    over-speed trip

    C

    over-speed governor

    D

    load limit governor


    正确答案: C
    解析: 暂无解析

  • 第13题:

    Where one of two vessels is to keep out of the way the other________.

    A.shall not keep her course but shall keep her speed

    B.shall not keep her course and speed

    C.shall keep her course but change her speed

    D.shall keep her course and speed


    正确答案:D

  • 第14题:

    The required portable radio shall be stored in the proper location and be ______.

    A.Equipped with an approved carrying case

    B.Equipped with spare batteries

    C.Readily accessible for transfer to a lifeboat

    D.In a waterproof enclosure


    正确答案:C

  • 第15题:

    单选题
    The maximum speed of lowering for a lifeboat on gravity davits is controlled by the().
    A

    limit switches

    B

    emergency disconnect switch

    C

    governor brake

    D

    position of the counterweight on the brake handle


    正确答案: D
    解析: 暂无解析

  • 第16题:

    单选题
    On most diesel engines, the governor controls the output speed by ().
    A

    controlling the amount of fuel injected into the cylinders

    B

    varying the speed of the turbocharger

    C

    adjusting the compression ratio

    D

    changing the timing of the fuel injection camshaft


    正确答案: C
    解析: 暂无解析

  • 第17题:

    单选题
    The governor brake shall be capable of controlling the speed of lowering a fully equipped lifeboat with its complement of persons on board at().
    A

    safe speed only specified

    B

    not less than 120 feet per minute

    C

    not more than 120 feet per minute

    D

    not more than 90 feet per minute


    正确答案: D
    解析: 暂无解析

  • 第18题:

    单选题
    To correct a hunting problem in a main propulsion diesel engine hydraulic governor, you should ().
    A

    increase the governor oil pressure

    B

    adjust the speed droop setting

    C

    adjust the speeder spring travel

    D

    adjust the compensating needle valve


    正确答案: D
    解析: 暂无解析

  • 第19题:

    单选题
    The force acting on a single cargo runner which is vertically lifting or lowering a load is greatest when().
    A

    decelerating when lowering the load

    B

    decelerating when raising the load

    C

    lowering the load at constant speed

    D

    raising the load at constant speed


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    The required amount in the change of speed necessary before a governor will make a corrective movement is known as ().
    A

    speed droop

    B

    sensitivity

    C

    stability

    D

    promptness


    正确答案: A
    解析: 暂无解析

  • 第21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 compressor

    B

    balance piston

    C

    compensating needle valve

    D

    proportional piston


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    Friction developing between the moving parts of a governor, governor linkage and control valve will cause the governor to ().
    A

    react with insufficient speed droop

    B

    fail to react to small speed changes

    C

    have excessive sensitivity to small speed changes

    D

    remain in the neutral position


    正确答案: C
    解析: 暂无解析

  • 第23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 load

    B

    will stop due to zero fuel supply

    C

    will stall upon application of load

    D

    speed will remain fairly constant despite load changes


    正确答案: D
    解析: 暂无解析