单选题The cylinder covers and the liners are bolted together by means of （）.A bolts welded into the cylinder headB bolts welded into the cylinder framesC studs screwed into the cylinder headD studs screwed into the cylinder frames

题目
单选题
The cylinder covers and the liners are bolted together by means of （）.
A

bolts welded into the cylinder head

B

bolts welded into the cylinder frames

C

studs screwed into the cylinder head

D

studs screwed into the cylinder frames

相似考题

1.The cylinder liners are made of _____ and the cylinder surfaces are sometimes chromium-plated.A.steelB.copperC.cast ironD.stainless steel

2.We __the difficulty together, but why didn't you tell me?A.should face B.might face C.could have faceD.D.must have faceD.

3.（）run in all parts of the world.A、BargesB、TrampsC、FerriesD、Liners

4.The main factor which determines the output of each cylinder is _____.A.the cylinder weightB.the cylinder boreC.the cylinder lengthD.the cylinder cover

更多“The cylinder covers and the liners are bolted together by me”相关问题

  • 第1题：

    单选题
    One advantage of dry cylinder liners used in a diesel engine is the（）
    A

    lower thermal expansion rates than wet liners

    B

    greater heat transfer rate than wet liners

    C

    greater wear resistance than wet liners

    D

    procedure to replace dry liners is simpler than for wet liners


    正确答案： D
    解析： 暂无解析

  • 第2题：

    单选题
    If cylinder liner wear is up to maximum limits the possibility of scavenge fires will not be materially reduced until the liners are （）.
    A

    polished

    B

    renewed

    C

    adjusted

    D

    ground


    正确答案： A
    解析： 暂无解析

  • 第3题：

    单选题
    我船配有自动舱盖。（）
    A

    Our ship is equipped with automatic hatch covers.

    B

    Our ship is equipped with folding-type hatch covers.

    C

    Our ship is equipped with side-rolling hatch covers.

    D

    Our ship is equipped with rolling-type hatch covers.


    正确答案： D
    解析： 暂无解析

  • 第4题：

    单选题
    Could you show me （）to open the hatch covers?
    A

    why

    B

    when

    C

    how

    D

    what


    正确答案： B
    解析： 暂无解析

  • 第5题：

    单选题
    An increase in crankcase pressure generally indicates（）
    A

    worn connecting rod bearings

    B

    worn engine cylinder liners

    C

    high cylinder firing pressure

    D

    stuck spring-loaded manhole covers


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    装卸货之前，打开舱盖。（）
    A

    After loading and discharging, hatch covers will be opened.

    B

    After loading and discharging, hatch covers will be closed.

    C

    Before loading and discharging, hatch covers will be opened.

    D

    Before loading and discharging, hatch covers will be closed.


    正确答案： B
    解析： 暂无解析

  • 第7题：

    单选题
    In order to distribute the side pressures over a wide area of the cylinder walls and liners, which of the listed types of pistons are used in modem low pressure air compressors?（）
    A

    Differential

    B

    Trunk

    C

    Barrel

    D

    Valve-in-head


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    The withdrawing of the cylinder liners, in general, depends on their （）.This may amount to approximately 1/120 of the diameter in some engines.
    A

    correct maneuvering

    B

    wear

    C

    working efficiency

    D

    maintenance


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    The cylinder covers and the liners are bolted together by means of （）.
    A

    bolts welded into the cylinder head

    B

    bolts welded into the cylinder frames

    C

    studs screwed into the cylinder head

    D

    studs screwed into the cylinder frames


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    Cracks in the cylinders and cylinder covers may （） unequal heating.
    A

    result from

    B

    result in

    C

    give out

    D

    given from


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    The complete assembly of bedplate, A-frames and cylinder block is held together by （） to form a rigid structure.
    A

    tap-bolts

    B

    jack-bolts

    C

    tie rods

    D

    fitted rods


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    The scavenging box is built of a number of sections provided with vertical flanges enabling them （） together to form two blocks.
    A

    being bolted

    B

    bolted

    C

    bolting

    D

    to be bolted


    正确答案： D
    解析： 暂无解析

  • 第13题：

    单选题
    Doors should always be _____ locked and bolted at night in the country.
    A

    diligently

    B

    fixedly

    C

    securely

    D

    steadily


    正确答案： D
    解析：
    securely安全地，牢固地。diligently勤勉地，坚持不懈地。fixedly固定地。steadily稳地；有规则地。

  • 第14题：

    单选题
    Why are some diesel engine cylinder liners plated on the wearing surface with porous chromium?（）
    A

    The chromium will not wear out the piston rings

    B

    The chromium strengthens the liners in the way of the scavenging air ports

    C

    Chromium eliminates the need for oil scraper rings

    D

    Pores in the plating aid in maintaining the lube oil film


    正确答案： C
    解析： 暂无解析

  • 第15题：

    单选题
    The loss of the diesel engine cylinder air charge through leaky valves, piston rings, worn or scored liners, would be indicated by which of the following sets of conditions?（）
    A

    Low compression pressure and high exhaust temperature

    B

    Low firing pressure and high exhaust temperature

    C

    Low compression pressure and low exhaust temperature

    D

    Low firing pressure and low exhaust temperature


    正确答案： C
    解析： 暂无解析

  • 第16题：

    单选题
    The cylinder covers are secured by eight elastic holding down arranged in four pairs（）
    A

    nuts

    B

    screws

    C

    studs

    D

    flanges


    正确答案： D
    解析： 暂无解析

  • 第17题：

    单选题
    Before starting the turning gear, （） should be worked by hand to minimize corrosive action on the liners.
    A

    the indicators

    B

    the starting valves

    C

    the cylinder lubricators

    D

    the turning gear


    正确答案： C
    解析： 暂无解析

  • 第18题：

    单选题
    Cylinder liners from older lower powered engines had a uniform wall thickness and the cooling was achieved by circulating cooling water through a space formed between （）.
    A

    crown and skirt

    B

    liner and jacket

    C

    ring and groove

    D

    jacket and block


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    The lube oil to lubricate the surfaces of the cylinder liners is spread over by the （）.
    A

    sliding piston rings

    B

    engines camshaft

    C

    small pumps

    D

    forced feed system


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    A-frames and cylinder block is held together by （） to form a rigid structure.
    A

    connecting rods

    B

    piston rods

    C

    tie rods

    D

    jack-bolts


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    The cylinder covers and the liners are bolted together by means of studs （） the cylinder frames.
    A

    screwing into

    B

    being screw on

    C

    to screw on

    D

    screwed into


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    Cracks in cylinder and cylinder covers may （） from unequal heating.
    A

    make

    B

    cause

    C

    result

    D

    produce


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Before pumping up the crankcase oil,（） should be worked by hand to minimize corrosive action on the liners.
    A

    the indicators

    B

    the starting valves

    C

    the cylinder lubricators

    D

    the turning gear


    正确答案： C
    解析： 暂无解析

  • 第24题：

    单选题
    The cylinder liners are made of （） and the cylinder surfaces are sometimes chromium-plated.
    A

    steel

    B

    copper

    C

    cast iron

    D

    stainless steel


    正确答案： D
    解析： 暂无解析

相关内容