单选题When air becomes trapped in the hydraulic fluid of a steering system, the （）.A rudder will respond sluggishlyB hydraulic rams will over-speedC sight glass will show bubblesD ram relief valves will lift

题目
单选题
When air becomes trapped in the hydraulic fluid of a steering system, the （）.
A

rudder will respond sluggishly

B

hydraulic rams will over-speed

C

sight glass will show bubbles

D

ram relief valves will lift

相似考题

1.Overheating of the hydraulic fluid in an electro-hydraulic anchor windlass can result from a/an( ).A.overload on the pump motorB.low fluid level in the reservoirC.low fluid viscosity around the shaft sealD.high oil level in the sump

2.Air trapped in the hydraulic fluid of a steering system may be indicated byA.the steering pumps overspeedingB.a jammed open relief valveC.a constantly occurring improper rudder responseD.excessive ram pressure

3.Before doing any work on a hydraulic system equipped with accumulators, you shouldA.drain the accumulators and purge with oxygenB.bleed off all stored energy from the accumulators completelyC.charge the accumulators to prevent system energy lossD.pump the hydraulic fluid into the accumulators to prevent fluid loss

4.If you install a new hydraulic hose in a hydraulic system, the hose must be long enough to allow for contraction to preventA.failure of the hydraulic hoseB.excessive flow through the lineC.friction in other areas of the hydraulic systemD.overheating of the hydraulic fluid

参考答案和解析
正确答案： A
解析： 暂无解析
更多“When air becomes trapped in the hydraulic fluid of a steerin”相关问题

  • 第1题：

    The follow-up gear on an electro-hydraulic steering gear

    A.relieves excessive fluid pressure

    B.takes the pump off stroke when the desired rudder angle is attained

    C.allows for rudder movement faster than the movement of the ship&39;s

    D.returns the rudder to amidships when the wheel is release


    正确答案：B

  • 第2题：

    The dew point is reached when the ______.

    A.temperature of the air equals the temperature of the seawater

    B.atmospheric pressure is 14.7 lbs. per square inch

    C.relative humidity reaches 50%

    D.air becomes saturated with water vapor


    正确答案：D

  • 第3题：

    单选题
    Air trapped in the hydraulic fluid of a steering system would be indicated by（）
    A

    an improper rudder response

    B

    hammering noises in the equipment or transmission lines

    C

    popping or sputtering noises

    D

    all the above


    正确答案： A
    解析： 暂无解析

  • 第4题：

    单选题
    In the design of hydraulic piping and equipment consideration is given to minimize turbulence in the hydraulic fluid, as this will cause（）
    A

    molecular fluid vibration

    B

    energy losses

    C

    wide pressure variations

    D

    mechanical damage to control valves


    正确答案： A
    解析： 暂无解析

  • 第5题：

    单选题
    The most common contaminate of governor hydraulic fluid is （）.
    A

    moisture

    B

    dirt

    C

    acid

    D

    air


    正确答案： B
    解析： 暂无解析

  • 第6题：

    单选题
    A hydraulic accumulator aboard a ship is designed to（）.
    A

    store fluid under pressure

    B

    act as a fluid reservoir

    C

    provide overpressure relief

    D

    replenish fluid to a system


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    Before doing any work on a hydraulic system equipped with accumulators, you should（）
    A

    drain the accumulators and purge with oxygen

    B

    bleed off all stored energy from the accumulators completely

    C

    charge the accumulators to prevent system energy loss

    D

    pump the hydraulic fluid into the accumulators to prevent fluid loss


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    An orifice-check valve placed in a hydraulic system is used to（）
    A

    regulate the fluid flow in either direction

    B

    restrict movement of hydraulic fluid in one direction, but allow free movement in the other direction

    C

    allow free movement of hydraulic fluid in both directions

    D

    allow a restricted fluid flow in one direction only


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    How can the chance of contaminating hydraulic fluid be decreased when working on hydraulic system?（）
    A

    clean the fittings before they are disconnected

    B

    Place drip pans under leaky fittings

    C

    Seal any cracks in lines with Permatex

    D

    Coat all threads with graphite oil


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    The follow-up gear on an electro-hydraulic steering gear（）
    A

    relieves excessive fluid pressure

    B

    takes the pump off stroke when the desired rudder angle is attained

    C

    synchronizes wheel position with the rudder position

    D

    returns the rudder to midposition when the wheel is released


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    Hydraulic machinery failures are commonly caused by contamination of the hydraulic fluid and （）.
    A

    fluid friction

    B

    fluid turbulence

    C

    component misalignment

    D

    pressure surges


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    When retrieving the survival craft，the winch operator should stop the winch and check（）.
    A

    that all personnel are seated in the craft

    B

    that the cable has not jumped any grooves on the drum

    C

    which way the wind is blowing

    D

    the hydraulic fluid level before lifting


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Hydraulic machinery failures are commonly caused by contamination of the hydraulic fluid and ______.

    A.fluid friction

    B.fluid turbulence

    C.component misalignment

    D.pressure surges


    正确答案：C

  • 第14题：

    A hydraulic accumulator aboard a ship is designed to ______.

    A.store fluid under pressure

    B.act as a fluid reservoir

    C.provide overpressure relief

    D.replenish fluid to a system


    正确答案：A
    船上的液体储存器被设计为用来储存液体的压力之下。

  • 第15题：

    单选题
    Air trapped in the hydraulic fluid of a steering system should be indicated by （）.
    A

    the pump over-speeding

    B

    an improper rudder response

    C

    bubbles in the sight glass

    D

    ram relief valves lifting


    正确答案： C
    解析： 暂无解析

  • 第16题：

    单选题
    What is the best way of stopping an over-speeding diesel engine?（）
    A

    Disconnect the battery cables from the starting motor

    B

    Drain the hydraulic fluid from the governor sump

    C

    Block the flow of cooling air to the radiator

    D

    Secure the fuel supply and block the air intake


    正确答案： D
    解析： 暂无解析

  • 第17题：

    单选题
    The function of the hydraulic telemotor transmitter used in an electro-hydraulic steering gear system is to （）.
    A

    transmit the rudder angle to the bridge indicator

    B

    prevent the control linkage from striking the stops when hard over

    C

    automatically purge all entrained air from the system

    D

    send hydraulic signals to the receiving unit


    正确答案： A
    解析： 暂无解析

  • 第18题：

    单选题
    If you are given the job of adding hydraulic fluid to a mooring winch, and are not certain as to the type of fluid to use, you should （）.
    A

    add fluid that is the same color as the fluid in the reservoir

    B

    add turbine oil because it is always a good substitute

    C

    add any oil that has the same viscosity as the hydraulic fluid

    D

    check the winch manufacturers instruction book


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    Air trapped in the hydraulic fluid of a steering system may be indicated by（）
    A

    the steering pumps overspeeding

    B

    a jammed open relief vale

    C

    a constantly occurring improper rudder response

    D

    excessive ram pressure


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    The major cause of trouble in a mechanical-hydraulic governor is contamination of the hydraulic fluid by （）
    A

    dirt

    B

    fuel oil

    C

    governor cooling water

    D

    fuel oil tars


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    When air becomes trapped in the hydraulic fluid of a steering system, the （）.
    A

    rudder will respond sluggishly

    B

    hydraulic rams will over-speed

    C

    sight glass will show bubbles

    D

    ram relief valves will lift


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    A hydraulic accumulator is designed to（）.
    A

    store fluid under pressure

    B

    act as a fluid reservoir

    C

    provide overpressure relief

    D

    replenish fluid to a system


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    In a shell-and-tube type hydraulic fluid cooler, the amount of heat transferred from the hydraulic fluid to the cooling water depends upon（）
    A

    the temperature of the hydraulic fluid

    B

    the flow rate of the hydraulic fluid

    C

    the temperature of the cooling water

    D

    all of the above


    正确答案： A
    解析： 暂无解析

  • 第24题：

    单选题
    Hydraulic machinery failures are commonly caused by misalignment of the system components and by （）.
    A

    hydraulic fluid contamination

    B

    excessive fluid friction

    C

    turbulent fluid flow

    D

    fluid pressure surges


    正确答案： C
    解析： 暂无解析

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