单选题The bearing shell generally has （） for location and oil grooves round the center of its axial length.A tipsB tagsC lipsD keys

题目
单选题
The bearing shell generally has （） for location and oil grooves round the center of its axial length.
A

tips

B

tags

C

lips

D

keys

相似考题

1.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 theA.crossheadB.crankpinC.crank journalD.gudgeon pin

2.What type of stern tube bearing has the least friction ________．A.Oil-lubricated bearingsB.Lignum vitaeC.Hard rubberD.Bronze bushings

3.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 rodB piston rodC bearing housingD none of the above

4.Lubrication for the main reduction gears used with diesel engines is usually supplied byA.oil from the main engine sumpB.an independent lube oil systemC.the stern bearing head tankD.the stem bearing sump tank

更多“The bearing shell generally has （） for location and oil groo”相关问题

  • 第1题：

    单选题
    A dirty lube oil strainer can result in（）
    A

    crankcase

    B

    low lube oil temperature

    C

    excessive oil consumption

    D

    low bearing oil pressure


    正确答案： C
    解析： 暂无解析

  • 第2题：

    单选题
    Large crosshead type engine generally has two lubrication systems, a function performed only by crankcase oil system is（）
    A

    lubricating

    B

    cooling

    C

    cleaning

    D

    neutralizing


    正确答案： A
    解析： 暂无解析

  • 第3题：

    单选题
    Thermocouple pyrometers are used on large, main propulsion diesel engines to indicate the temperature of the（）
    A

    cooling water leaving each cylinder

    B

    fuel oil entering the injector

    C

    exhaust gases at various locations

    D

    lube oil at the bearing supplies


    正确答案： A
    解析： 暂无解析

  • 第4题：

    单选题
    The purpose of an oil mist detector in a main propulsion diesel engine is to warn of （）
    A

    excessive mist density in the crankcases

    B

    excessively high crankcase vacuum

    C

    excessively high bearing temperature

    D

    excessive carbon buildup in the lube oil


    正确答案： C
    解析： 暂无解析

  • 第5题：

    单选题
    A vessel has been equipped with an oil lubricated stern bearing and is undergoing a routine dry-dock.Which of the following inspection should be made when the tail-shaft has been drawn?（）
    A

    The overall condition of the bearing surface should be examined

    B

    The shaft liner should be inspected for cracks and tested to insure a tight fit

    C

    The stern tube should be tested for cracks with dye penetrant

    D

    all of above


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    The bearing shell generally has （） for location and oil grooves round the center of its axial length.
    A

    tips

    B

    tags

    C

    lips

    D

    keys


    正确答案： A
    解析： 暂无解析

  • 第7题：

    单选题
    When the bearing becomes dry from lack of oil, the motor shaft may heat to （）an extent （） it welds itself to the bearing.
    A

    either；or

    B

    neither；nor

    C

    such；that

    D

    so；that


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    To guarantee that a reduction gear bearing is receiving proper oil supply, you should check the （）
    A

    lube oil temperature at the cooler outlet

    B

    lube oil strainer magnets bearing

    C

    lube oil temperature

    D

    lube oil pressure to the bearing


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    The bearing cap and shell are replaced and tightened up until （）.
    A

    the “ nip ”is zero

    B

    the “ nap ” is zero

    C

    the “ gap ”is correct

    D

    the “ clearance ” is correct


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    High lube oil temperatures developing in a diesel engine can result from（）
    A

    high oil pressure

    B

    excessive bearing end play

    C

    plugged oil control rings

    D

    engine overload


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    While inspecting the main bearings on a diesel engine you find impregnated dirt and scratches in the bearing surface you would, therefore, suspect that （）
    A

    the bearing had been overheated

    B

    water was present in the oil

    C

    the lube oil was not being properly filtered

    D

    the maximum allowable bearing pressure had been exceeded


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    Whenever visible traces of oil are observed on or below the surface of the water in the immediate vicinity of ship or its wake，Governments of Parties to the Convention should，to the extent they are reasonably able to do so，promptly（）the facts bearing on the issue of whether there has been a violation of the provisions of this Regulation or Regulation 10 of this Annex of MARPOL 73/78.
    A

    observe

    B

    investigate

    C

    see

    D

    look


    正确答案： D
    解析： 暂无解析

  • 第13题：

    单选题
    After riveting is completed, the joints on the shell of a vessel are generally made watertight by（）.
    A

    faying

    B

    caulking

    C

    felt or canvas packing

    D

    red lead


    正确答案： B
    解析： 暂无解析

  • 第14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15题：

    单选题
    2010 Server has Message Tracking enabled.You need to modify storage location of message tracking logs.What should you do？（）
    A

    From the Shell Management Console apply Set-EventLogLevel cmdlet

    B

    From the Shell Management Console apply Set-TransportConfig cmdlet

    C

    From the Exchange Management Console （EMC） modify properties of Mailbox Database

    D

    From the Exchange Management Console （EMC） modify properties of Hub Transport Server object


    正确答案： B
    解析： 暂无解析

  • 第16题：

    单选题
    Signs of racking stresses generally appear at the（）.
    A

    bow and stern shell frames and plating

    B

    junction of the frames with the beams and floors

    C

    garboard strake，at each side of the keel

    D

    thrust bearing of the main shaft


    正确答案： B
    解析： 暂无解析

  • 第17题：

    单选题
    A bronze bearing liner with a lead-tin flashing has a milky-white color over most of its surface and some areas of exposed bronze, the white coloring indicates（）
    A

    proper break-in wear

    B

    improper break-in wear

    C

    relocation of the overlay flashing

    D

    water contamination of the lube oil system


    正确答案： C
    解析： 暂无解析

  • 第18题：

    单选题
    The pumps press oil into the cross-head bearing gap when the load on the shell is at its lowest What is the meaning of “its” in the sentence above?（）
    A

    the cross-head

    B

    the pumps

    C

    the shell

    D

    the load


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    Heat for igniting the fuel oil in the cylinder of a diesel engine is generated by the （）
    A

    electronic ignition system

    B

    compression of air by the piston

    C

    friction in the fuel injector

    D

    fuel oil bearing system


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    A grease gun is generally used to lubricate a （）.
    A

    condensate pump ball bearing

    B

    main shaft bearing

    C

    main turbine bearing

    D

    diesel engine wrist pin bearing


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    The function of lubricating oil is to （）.
    A

    reduce friction between moving surfaces

    B

    provide even distribution of bearing wear

    C

    reduce the accumulation of harmful detergents

    D

    maintain a constant oil temperature output at each beating


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    To determine the main bearing clearance of a propulsion diesel engine, you should measure the main bearing shell using a ball anvil outside micrometer and measure the crankshaft journal using a/an （）
    A

    telescoping

    B

    ring ‘snap’ gauge

    C

    inside vernier caliper

    D

    outside micrometer


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    Lubricating oil used in a diesel engine serves to（）
    A

    reduce the wear of bearing surfaces

    B

    cool the bearing surfaces

    C

    assist in sealing bearing surfaces

    D

    all of the above


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    Just after stopping the engine while the oil is still circulating.Check that uniform oil jets appear from all the oil outlet grooves in the crosshead bearing lower shell and the guide shoes.The oil flow from （） must be compared from unit; there should be a similarity in the flow patterns.
    A

    the piston cooling oil return pipes

    B

    the main and crankpin bearings

    C

    thrust and intermediate bearings

    D

    stern tube and thrust bearings


    正确答案： D
    解析： 暂无解析

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