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单选题In usual marine applications, bellows joints are designed and fitted to accommodate straight line axial movement only and the associated piping requires adequate anchors and guides to prevent misalignmentAccording to the above sentence, which of the fo

题目
单选题
In usual marine applications, bellows joints are designed and fitted to accommodate straight line axial movement only and the associated piping requires adequate anchors and guides to prevent misalignmentAccording to the above sentence, which of the following statements is true?（）
A

The marine bellows joints are attached in the accommodation only

B

The bellows joints should be attached to anchors

C

The associated piping should be thrown into the water like as anchors

D

The connecting piping with the joints should be fixed firmly

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2.on usual terms(英译中)

3.A gas-free certificate would usually be issued by a(n) ______.A.CCS marine surveyorB.certified marine chemistC.port engineerD.MSA marine inspector

4.Arthritis ( ) a disease causing pain and swelling in the joints of the body.A.isB.are

更多“In usual marine applications, bellows joints are designed an”相关问题

  • 第1题：

    A gas-free certificate would usually be issued by a(n) ______.

    A.ABS marine surveyor

    B.certified marine chemist

    C.port engineer

    D.Coast Guard marine inspector


    正确答案：B

  • 第2题：

    The Charterers to have the privilege of loading a full cargo on deck and/or on hatches in accordance with _______ at their expense．

    A.common custom

    B.marine usual doing

    C.normal marine practice

    D.general and convenience usage


    正确答案：C

  • 第3题：

    Application A is designed to execute the following SQL statements within a single Unit of Work (UOW). UPDATE employee SET salary = salary * 1.1 WHERE empno='000010' UPDATE department SET deptname = 'NEW dept' WHERE deptno='A00'Application B is designed to execute the following SQL statements within a single Unit of Work (UOW). UPDATE department SET deptname = 'OLD DEPT' WHERE deptno='A00' UPDATE employee SET salary = salary * 0.5 WHERE empno='000010' Application A and application B execute their first SQL statement at the same time. When application A and application B try to execute their second SQL statement, a deadlock occurs. What will happen?（）

    • A、The database manager will rollback the transaction in both applications.
    • B、The database manager will rollback the transaction in one of the two applications.
    • C、Application B will successfully update the EMPLOYEE and DEPARTMENT tables; Application A will be placed in a lock wait state.
    • D、Application A will successfully update the EMPLOYEE and DEPARTMENT tables; Application B will terminate when the lock timeout value is reached.

    正确答案:B

  • 第4题：

    单选题
    If no gaskets are used in the piping joints of a Freon system, the joints must be（）
    A

    finished joints

    B

    welded joints

    C

    ground joints

    D

    soldered joints


    正确答案： D
    解析： 暂无解析

  • 第5题：

    单选题
    The connected joints of pipe，usually made of three joints of pipe approximately 90 feet long，racked in the derrick when making a trip are called a（）.
    A

    string

    B

    stand

    C

    joint

    D

    standpipe


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    The passage provides an answer to which of the following questions?
    A

    What is the explanation for the phenomenon of bioluminescence in marine life?

    B

    Does the phenomenon of plankton bioluminescence have any practical applications?

    C

    Why do only certain specimens of marine life exhibit the phenomenon of bioluminescence?

    D

    How does underwater bioluminescence differ from atmospheric bioluminescence?

    E

    What are the steps that take place as an individual microorganism becomes bioluminescent?


    正确答案： C
    解析：
    根据上一题的答案可知，“the phenomenon of plankton bioluminescence”能够运用到实际，即可以帮助“fisheries to increase their catch of fish that prey on plankton”， 因此B项符合题目要求。文中没有给出海洋微生物体发光的确切原因，A项不正确；B项与文中信息不符，并非只有“certain specimens of marine life”存在发光现象；C、E均在文中没有涉及。

  • 第7题：

    单选题
    Which of the following is true about coral reefs?
    A

    They play a significant role in biodiversity.

    B

    They account for 25% of the marine life.

    C

    More than a quarter of marine life feed on them.

    D

    They are threatened by marine life and could be killed.


    正确答案： D
    解析：
    录音中提到“Coral reefs are extremely important for biodiversity, it provides habitats to over 25% of all marine life.”，意思是：珊瑚礁对生物多样性极度重要，它为超过25%的海洋生物提供栖息地。所以A项正确。另外，根据“coral bleaching is threatening many of the world’s coral reefs”(珊瑚礁白化正在威胁着世界上的许多珊瑚礁)可知，D项错误。

  • 第8题：

    单选题
    A user reports that their machine seems to be running slower than usual. The user states that the computer has become progressively worse as more applications are installed. Which of the following is the FIRST step the technician should take?（）
    A

    Run the CHKDSK utility

    B

    Run the disk defragmenter utility

    C

    Increase the capacity on the system volume

    D

    Convert to a dynamic drive on the system


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    Which of the listed statements is a characteristic of the liquid charged power element used with thermostatic expansion valves?（）
    A

    At the designed operating temperature, the liquid refrigerant charge has changed to a vapor

    B

    The liquid refrigerant tends to collect at the bellows or diaphragm and reduces the valve sensitivity

    C

    The sensing bulb is empty of liquid refrigerant charge at the designed operating temperature

    D

    The sensing bulb is never emptied of liquid refrigerant under normal operating conditions


    正确答案： D
    解析： 暂无解析

  • 第10题：

    单选题
    Movement of the diaphragm or bellows is （） by a linkage to a needle or pointer display to indicate the differential pressure between two sides of the diaphragm or bellows.
    A

    measured

    B

    recorded

    C

    transferred

    D

    controlled


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    Furniture makers use glue to hold joints together and sometimes to reinforce it.
    A

    its

    B

    fast

    C

    hard

    D

    them


    正确答案： D
    解析：
    代词应用题。划线处应该指代前面提到的名词复数joints，所以应用代词them来代替。

  • 第12题：

    单选题
    In usual marine applications, bellows joints are designed and fitted to accommodate straight line axial movement only and the associated piping requires adequate anchors and guides to prevent misalignmentAccording to the above sentence, which of the following statements is true?（）
    A

    The marine bellows joints are attached in the accommodation only

    B

    The bellows joints should be attached to anchors

    C

    The associated piping should be thrown into the water like as anchors

    D

    The connecting piping with the joints should be fixed firmly


    正确答案： D
    解析： 暂无解析

  • 第13题：

    The implied condition(s) with respect to the doctrine of deviation in a marine insurance policy is(are) ______.

    A.that the cargo be discharged from the vessel with customary dispatch

    B.that the voyage be commenced in a reasonable time

    C.that the voyage be pursued over the usual and direct route

    D.All of the above


    正确答案：D

  • 第14题：

    The connected joints of pipe，usually made of three joints of pipe approximately 90 feet long，racked in the derrick when making a trip are called a ______．

    A.String

    B.Stand

    C.Joint

    D.Standpipe


    正确答案：B

  • 第15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16题：

    单选题
    A gas-free certificate would usually be issued by a(n)（）.
    A

    ABS marine surveyor

    B

    certified marine chemist

    C

    port engineer

    D

    Coast Guard marine inspector


    正确答案： B
    解析： 暂无解析

  • 第17题：

    单选题
    When riveted joints occur at the ends of plating they are called（）.
    A

    trailers

    B

    terminals

    C

    seams

    D

    butts


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    Weather information is available from（）.
    A

    Commercial radio broadcasts

    B

    The Coast Guard on scheduled marine information broadcasts

    C

    VHF-FM continuous marine weather broadcasts provided by the National Weather Service

    D

    All of the above


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    Pyrometers commonly found on diesel engine exhaust systems, consist of（）
    A

    pyrostats and a voltmeter

    B

    a gas-filled bellows, a tube and a pressure gauge

    C

    thermocouples and a voltmeter

    D

    ammeters and thermocouples


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    A gas-free certificate would usually be issued by a(n)（）.
    A

    CCS marine surveyor

    B

    certified marine chemist

    C

    port engineer

    D

    MSA marine inspector


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    The MARPOL Convention is the main international convention（）
    A

    about marine pollution prevention

    B

    covering marine protection of life

    C

    about marine

    D

    about ship and port security


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    As defined in the regulations governing marine casualties a “marine employer” may be the（）.
    A

    owner

    B

    agent

    C

    Master

    D

    All of the above


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    For many years marine centrifuges were designed for （） operation, that is the machines were run for a period during which solids accumulated in the bowlThe machine was stopped when the accumulated solids began to impair its performance.
    A

    purifying

    B

    batch

    C

    long period

    D

    temporary


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    The implied condition(s) with respect to the doctrine of deviation in a marine insurance policy is(are)（）.
    A

    that the cargo be discharged from the vessel with customary dispatch

    B

    that the voyage be commenced in a reasonable time

    C

    that the voyage be pursued over the usual and direct route

    D

    All of the above


    正确答案： D
    解析： 暂无解析

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