更多“The design of the connecting rod large end bearing is simila”相关问题
  • 第1题:

    单选题
    The connecting rod large end bearing shell generally has tags for location and oil grooves round the center of its axial length which correspond with grooves in the () through which oil is transmitted up the rod to lubricate the small end.
    A

    connecting rod

    B

    piston rod

    C

    bearing housing

    D

    none of the above


    正确答案: A
    解析: 暂无解析

  • 第2题:

    单选题
    Diesel engine main and connecting rod precision bearings are made in halvesEach half exceeds one-half the bearing circumference by a small amountThe small amount is termed ().
    A

    clearance

    B

    crush

    C

    pitch

    D

    thrust


    正确答案: C
    解析: 暂无解析

  • 第3题:

    单选题
    The crankshaft is of the semi-built type, with the () being shrunk into the forged or cast steel crank throws.
    A

    journal

    B

    crank-pin

    C

    main bearing

    D

    large end of connecting rod


    正确答案: A
    解析: 暂无解析

  • 第4题:

    单选题
    In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the ().
    A

    crosshead

    B

    crankpin

    C

    crank journal

    D

    gudgeon pin


    正确答案: D
    解析: 暂无解析

  • 第5题:

    单选题
    On most modern diesel engines, the main and connecting rod bearings receive their lubricating oil by ().
    A

    banjo feed

    B

    splash feed

    C

    gravity feed

    D

    pressure feed


    正确答案: B
    解析: 暂无解析

  • 第6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: B
    解析: 暂无解析

  • 第7题:

    单选题
    () are generally formed in the frame of the both in-line and Vee engines to give maintenance access to the crankshaft main and connecting rod large end bearing.
    A

    Doors

    B

    Aspirate gauzer

    C

    Coupling

    D

    Blind


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    A distance piece, known as a () may be interposed between the rod and the bearing housing.
    A

    bearing shell

    B

    bearing liner

    C

    compression plate

    D

    lead wire


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    An acceptable method of measuring for the correct rotational force applied to the connecting rod and main bearing bolts, is to use a()
    A

    torque wrench

    B

    monkey wrench

    C

    pipe wrench

    D

    slugging wrench


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    The slippers run () in the crosshead guides as the piston and rod are ()and prevent the top of the connecting rod from moving sideways.
    A

    up and down;reciprocating

    B

    up and down;rotating

    C

    back and forth;reciprocating

    D

    back and forth;rotating


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    Which term describes piston pins having bearing surfaces in both the piston bosses and connecting rod eye?()
    A

    Stationary

    B

    Full floating

    C

    Semi-floating

    D

    Free rolling


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    The design of () is similar to that of the main bearing.
    A

    the block bearing

    B

    the camshaft bearing

    C

    the connecting rod small end bearing

    D

    the connecting rod large end bearing


    正确答案: A
    解析: 暂无解析

  • 第13题:

    单选题
    () is fully floating in both connecting rod small end and the piston skirt.
    A

    The piston rod

    B

    The cross head pin

    C

    The gudgeon pin

    D

    The crank-pin


    正确答案: C
    解析: 暂无解析

  • 第14题:

    单选题
    The small end of the connecting rod is attached to the piston with a ().
    A

    crankpin

    B

    sliding wedge

    C

    wrist pin

    D

    torque bashing


    正确答案: C
    解析: 暂无解析

  • 第15题:

    单选题
    As to the bearing, of the following, which statement is not true?()
    A

    ff overheat is found, the engine must be stopped for inspection

    B

    Much heat of the crankcase door indicates that the bearing is overheated

    C

    If bearing clearance is too large, knocking will be heard in the crankcase

    D

    If bearing clearance is too large or too small, the white metal may be melted


    正确答案: A
    解析: 暂无解析

  • 第16题:

    单选题
    In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a () in the crankshaft to the bottom end bearing andthen up a connection rod to the gudgeon pin.
    A

    telescopic pipes

    B

    large bore

    C

    drilled passage

    D

    tied rod


    正确答案: C
    解析: 暂无解析

  • 第17题:

    单选题
    Which of the following operating conditions can occur when shims are removed from the joint between the foot of a marine type diesel engine connecting rod and the bearing box?()
    A

    Decreased connecting rod bearing clearance

    B

    Increased connecting rod bearing clearance

    C

    Decreased compression ratio

    D

    Increased compression ratio


    正确答案: C
    解析: 暂无解析

  • 第18题:

    单选题
    An acceptable means of tightening connecting rod and main bearing cap bolts is to measure the () Ⅰ.torque applied to each nut and bolt assembly Ⅱstretch of each nut before and after tightening
    A

    Ⅰonly

    B

    Ⅱ only

    C

    both Ⅰ and Ⅱ

    D

    neither Ⅰ nor Ⅱ


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    Doors are generally formed in the () of the both in-line and Vee engines to give maintenance access to the crankshaft main and connecting rod large end bearing.
    A

    bedplates

    B

    columns

    C

    cylinder blocks

    D

    safety caps


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    The lower end of each piston rod is reduced in diameter to fit a bore in (), this being secured to the piston rod by a nut.
    A

    the crank-web

    B

    the connecting rod

    C

    the main bearing

    D

    the cross-head


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    Generally the gudgeon pin is fully floating in both connecting rod small end and ().
    A

    the crosshead

    B

    the crankshaft

    C

    large end

    D

    the piston bosses


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    In a large, low-speed diesel engine the clearance between the piston crown and cylinder head is found to be excessiveIn order to correct for this, you should()
    A

    build up the piston crown by metal spraying

    B

    build up the cylinder head by metal spraying

    C

    insert shims between the crankpin bearing box and the connecting rod foot

    D

    install a thinner head gasket


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    The insertion of shims between the foot of a marine type connecting rod and a bearing box would result in ()
    A

    increased compression ratio

    B

    decreased compression ratio

    C

    increased bearing clearance

    D

    decreased bearing clearance


    正确答案: B
    解析: 暂无解析