Piston Stroke之中文名称为活塞行程.

题目

Piston Stroke之中文名称为活塞行程.

相似考题

1.活塞上下止点间的距离称为活塞行程。()

2.AQL之中文名称为允收品质水准，VDCS之中文名称为供应商不良改善报告，PDCS之中文名称为制程异常连络单，TQC之中文名称为全面品质管理（）

3.Tubeless Tire之中文名称为无内胎轮胎.

4.(piston area)×(piston stroke)×(numbers of the cylinders)=engine( ).A.brake horsepowerB.displacementC.cylinder volumeD.cylinder clearance

更多“Piston Stroke之中文名称为活塞行程.”相关问题

  • 第1题：

    Valve Seat之中文名称为气门头.


    正确答案:错误

  • 第2题：

    Water Pump之中文名称为水泵.


    正确答案:正确

  • 第3题：

    柴油机活塞运行的上止点与下止点间的距离称为活塞行程，活塞行程等于曲柄半径的（）。


    正确答案:两倍

  • 第4题：

    单选题
    During which of the listed piston stroke of a four-stroke/cycle diesel engine, is the piston moving downward?（）
    A

    Intake stroke

    B

    Compression stroke

    C

    Exhaust stroke

    D

    Pumping stroke


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    The two-stroke cycle begins with the piston coming up from the bottom of its stroke, with scavenge ports in the sides of the cylinder being （）.
    A

    shut

    B

    closing

    C

    opened

    D

    closed


    正确答案： C
    解析： 暂无解析

  • 第6题：

    单选题
    During the suction stroke, the piston is moving （）.
    A

    inwards

    B

    outwards

    C

    downwards

    D

    upwards


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    Which of the following statements is true regarding the installation of piston rings on two-stroke/cycle, diesel engines as compared to four-stroke/cycle, diesel engines?（）
    A

    In a two-stroke/cycle engine, the rings run hotter, requiring the end gap to be greater

    B

    Some provision must be made in a two-stroke/cycle engine to keep the rings from binding in the ports

    C

    No gap is required to exist between the ends of the ring when cold in a two-stroke/cycle engine, but a small gap is required in a four-stoke/cycle engine

    D

    The gaps should be staggered on either side of a piston in a two-stroke/cycle engine, while staggering is not necessary in a four-stroke/cycle engine


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    In a single acting, two-stroke/cycle, diesel generator engine, the power impulse in an individual cylinder occurs （）
    A

    once every crankshaft revolution

    B

    once every two crankshaft revolutions

    C

    once every piston stroke

    D

    twice every piston stoke


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    Cross scavenging requires the fitting of （） to prevent air or exhaust gas escape when the piston is at the top of the stroke.
    A

    a exhaust valve

    B

    a piston skirt

    C

    a piston crown

    D

    an air suction valve


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    In a four-stroke/cycle diesel engine, after the completion of the power stroke, the piston will move（）
    A

    up and draw in a fresh air charge

    B

    down to burn off fuel

    C

    down to compress the fuel air charge

    D

    up and force out the exhaust gases


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    When inspecting piston rings through the ports of a two-stroke/cycle diesel engine, black areas on the sealing surfaces are the result of （）
    A

    insufficient lubrication

    B

    improper piston cooling

    C

    blow-by

    D

    overload operation


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
    A

    two crankshaft revolutions in a two-stroke/cycle engine

    B

    two power strokes in a two-stroke/cycle engine

    C

    one power stroke in a two-stroke/cycle engine

    D

    two piston strokes in a two-stroke/cycle engine


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Voltage之中文名称为电流.


    正确答案:错误

  • 第14题：

    活塞在气缸中运动的极端位置称为活塞的行程。


    正确答案:错误

  • 第15题：

    活塞上下止点间的距离称为（）

    • A、进气行程
    • B、活塞行程
    • C、压缩行程
    • D、作功行程

    正确答案:B

  • 第16题：

    单选题
    （） can be found on most medium to large merchant vessels even if the main engine is either a steam turbine or 2-stroke crosshead engine.
    A

    The medium speed 4-stroke trunk piston engine

    B

    The low speed 2-stroke crosshead engine

    C

    The medium speed 2-stroke crosshead engine

    D

    The low speed 4-stroke trunk piston engine


    正确答案： A
    解析： 暂无解析

  • 第17题：

    单选题
    (Piston area)X(Piston stroke)K(numbers of the cylinders)=engine（）
    A

    brake horsepower

    B

    displacement

    C

    cylinder volume

    D

    cylinder clearance


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    In comparing engines of equal horsepower, higher exhaust gas temperatures occur in a/an（）
    A

    opposed-piston engine

    B

    double-acting engine

    C

    two-stroke/cycle engine

    D

    four-stroke/cycle engine


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    The bore of a diesel engine cylinder describes the （）
    A

    swept volume of the cylinder

    B

    inside diameter of the cylinder

    C

    piston displacement in the cylinder

    D

    length of the piston stroke


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    During the power stroke of a four-stroke/cycle diesel engine, most of the side thrust of a trunk-type piston is absorbed by the（）
    A

    piston skirt

    B

    pinion

    C

    crosshead

    D

    compression rings


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    Because the top of the connecting rod swings about the pin and changes direction each time the piston reaches mid-stroke, the relative speed between bearing and pin at mid-stroke is zero, （）to a maximum as the piston approaches top or bottom dead center and then （） back to zero again as the piston approaches mid-stroke and the connecting rod changes direction.
    A

    accelerates；decelerates

    B

    accelerates；accelerates

    C

    decelerates；decelerates

    D

    decelerates；accelerates


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    In a single acting, four-stroke/cycle diesel engine, the power impulse in an individual cylinder occurs （）
    A

    once every crankshaft revolution

    B

    once every two crankshaft revolutions

    C

    once every piston stroke

    D

    twice every piston stroke


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    The delivery rate of a variable stroke axial piston hydraulic pump is controlled by varying the position of the （）.
    A

    slide block

    B

    tilting box

    C

    pintle

    D

    reaction ring


    正确答案： B
    解析： 暂无解析

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