单选题All the rings are slightly rounded on their external top and bottom edges to keep the oil film on the cylinder liner during （） for new piston rings.A the running-in periodB the running processC gas exchange processD the boiler firing

题目
单选题
All the rings are slightly rounded on their external top and bottom edges to keep the oil film on the cylinder liner during （） for new piston rings.
A

the running-in period

B

the running process

C

gas exchange process

D

the boiler firing

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更多“All the rings are slightly rounded on their external top and”相关问题

  • 第1题：

    Refer to the exhibit. Which three statements accurately describe the result of applying the exhibited route map?()

    A. The map prohibits th e redistribution of all type 2 external OSPF routes.

    B. All routes that do no match clauses 10 and 20 of the route map are redistributed with their tags set to 8.

    C. The map prohibits the redistribution of all external OSPF routes with tag 6 set.

    D. Th e map permits the redistribution of all type 1 external OSPF routes.

    E. The map redistributes into EIGRP all routes that match the pfx prefix list and the five metric values?0000, 1000, 255, 1, and 1500.

    F. The map prohibits the redistribution of all ty pe 2 external OSPF routes with tag 6 set.


    参考答案：B, D, F

  • 第2题：

    For SONET ring switching， the 50ms switch time： Select all that apply？（）

    • A、Plncludes the detection time
    • B、Applies to rings smaller than 1200km
    • C、Applies to rings smaller than 1000km
    • D、Includes up to 16 nodes

    正确答案:B,D

  • 第3题：

    Which routers must be configured with the same authentication string when configuring OSPF authentication？（）

    • A、all routers on a link
    • B、all routers in an area
    • C、all external OSPF peers
    • D、all routers in an OSPF domain

    正确答案:A

  • 第4题：

    You are designing the top-level organization unit (OU) structure to meet the administrative requirements. What should you do?（）

    • A、Create a top-level OU named New York. Place all user and computer accounts from New York in the New York OU.
    • B、Create a top-level OU named Chicago. Place all user and computer accounts from Chicago in the Chicago OU.
    • C、Create a top-level OU named Coho. Place all user and computer accounts that are assigned to the Coho Vineyard customer project in the Coho OU.
    • D、Create a top-level OU named Sales. Place all user and computer accounts from the sales department in the Sales OU.

    正确答案:C

  • 第5题：

    单选题
    Insufficient end clearance on newly fitted piston rings in a diesel enginewill cause the rings to（）
    A

    jam in the most worn part of the cylinder when the rings expand

    B

    break in the most worn part of the cylinder when the rings expand

    C

    wear eccentrically on the side opposite the end gap

    D

    overheat and jam at the top center on the combustion stroke


    正确答案： A
    解析： 暂无解析

  • 第6题：

    单选题
    Some men “feign polite interest” means _____.
    A

    They are keenly interested

    B

    They are not interested at all because they are men

    C

    They are slightly interested

    D

    They pretend to be interested out of politeness


    正确答案： D
    解析：
    文章第三段第二句话写到“Many men to whom I mention the enterprise feign polite interest and the change the subject…”feign to do sth.表示“假装，装作……”，D正确。

  • 第7题：

    单选题
    Before replacing a piston you should check that all rings are （）.
    A

    free

    B

    fastened

    C

    broken

    D

    stuck


    正确答案： C
    解析： 暂无解析

  • 第8题：

    多选题
    Refer to the exhibit. Which three statements accurately describe the result of applying the exhibited route map？（）
    A

    The map prohibits the redistribution of all type 2 external OSPF routes with tag 6 set

    B

    The map prohibits the redistribution of all type 2 external OSPF routes

    C

    The map redistributes into EIGRP all routes that match the pfx prefix list and the five metric values40000， 1000， 255， 1， and 1500

    D

    The map prohibits the redistribution of all external OSPF routes with tag 6 set

    E

    All routes that do no match clauses 10 and 20 of the route map are redistributed with their tags set to 8

    F

    The map permits the redistribution of all type 1 external OSPF routes


    正确答案： C,A
    解析： 暂无解析

  • 第9题：

    单选题
    All three systems have the ports （） to swirl the incoming air and direct it in the appropriate path.
    A

    angled

    B

    rounded

    C

    being angled

    D

    being rounded


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Before replacing a piston you should check the rings to see that all clearances and gaps are within the permissible （）.
    A

    deflection

    B

    discrepancy

    C

    error

    D

    tolerance


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    In order to keep the oil film on the cylinder liner during the running-in period, the piston rings are slightly rounded（）
    A

    on both the external and internal top edges

    B

    on both the external top and bottom edges

    C

    on both the external and internal bottom edges

    D

    on all the four edges


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    Around the combustion chamber, all the main components are bore cooled to give low strains and the smallest, circumferentially symmetric deformations for good sealing between piston rings and liner（）
    A

    thermal

    B

    mechanical

    C

    plastic

    D

    elastic


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Before replacing a piston you should check that all rings are ___.

    A.free

    B.fastened

    C.broken

    D.stuck


    正确答案：A

  • 第14题：

    Which routers must be configured with the same authentication string when configuring OSPFauthentication?（）

    • A、all routers on a link
    • B、all routers in an area
    • C、all external OSPF peers
    • D、all routers in an OSPF domain

    正确答案:A

  • 第15题：

    You are designing the top-level OU structure for the external domain. On which factor/s should you base the top-level OU structure?（）

    • A、Physical locations
    • B、External partners and universities
    • C、The company’s internal departments
    • D、The company’s software deployment needs

    正确答案:B

  • 第16题：

    单选题
    The external circumference of a pair of main bearing shells is slightly larger than that of the bore of the housing which receives themThe difference is termed （）.
    A

    nip

    B

    nap

    C

    gap

    D

    lip


    正确答案： C
    解析： 暂无解析

  • 第17题：

    单选题
    In order to keep excess oil from the intake ports in two-stroke/cycle diesel engines, （）
    A

    wide compression rings are used

    B

    oil rings are located above the piston

    C

    chromium plating is used on all piston rings

    D

    oil rings are located near the bottom of the piston skirt


    正确答案： C
    解析： 暂无解析

  • 第18题：

    单选题
    According to the response of most of the top 1000 companies, telecommuting _____.
    A

    increases worker productivity

    B

    will disappear in the near future

    C

    cannot be accepted by the public

    D

    is practiced id all me top companies


    正确答案： C
    解析：
    细节题。由文章第二段第二句“92 percent say it reduces cost and improves worker productivity”可知，采用远程办公不仅可以节省劳动成本，还提高了公司员工的生产力。A正好是该句的同义转述，为正确答案。B项望文生义，要消失的不是远程办公而是传统的上班模式。C项与原文矛盾，文中有提到全球一千家公司中有近三分之二拥有远程办公系统。D项夸大其词，在所有公司实行不可能在文中也没有根据。

  • 第19题：

    单选题
    The external circumference of a pair of main bearing shells is slightly （） that of the bore of the housing which receives themWhat’s the meaning of “that” in the sentence above?
    A

    less than

    B

    lighter than

    C

    larger than

    D

    smaller than


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    All the rings are slightly rounded on their external top and bottom edges to keep the oil film on the cylinder liner during （） for new piston rings.
    A

    the running-in period

    B

    the running process

    C

    gas exchange process

    D

    the boiler firing


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    Top piston rings are plasma coatedIt gives added safety for the of new lines（）
    A

    running-in

    B

    running-out

    C

    running on

    D

    running down


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Before replacing a piston you should check the rings to see that all clearances and gaps are （） the permissible tolerances.
    A

    above

    B

    at

    C

    over

    D

    within


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    You are designing the top-level OU structure for the external domain. On which factor/s should you base the top-level OU structure?（）
    A

    Physical locations

    B

    External partners and universities

    C

    The company’s internal departments

    D

    The company’s software deployment needs


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    You are designing the top-level OU structure for the external domain.  On which factor/s should you base the top-level OU structure？（）
    A

     Physical locations

    B

     External partners and universities

    C

     The company’s internal departments

    D

     The company’s software deployment needs


    正确答案： A
    解析： 暂无解析

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