During the installation of the groove,the total cross-sectional area of the conductor including insulation in the same groove shall not exceed the inner cross-sectional area of the groove.( )。 在线槽安装过程中,同一线槽内包括绝缘在内的导线截面积总和应该不超过线槽内部截面积的( )。A.20% B.40% C.60%

题目
During the installation of the groove,the total cross-sectional area of the conductor including insulation in the same groove shall not exceed the inner cross-sectional area of the groove.( )。
在线槽安装过程中,同一线槽内包括绝缘在内的导线截面积总和应该不超过线槽内部截面积的( )。

A.20%
B.40%
C.60%
D.80%

相似考题
更多“During the installation of the groove,the total cross-sectional area of the conductor including insulation in the same groove shall not exceed the inner cross-sectional area of the groove.( )。 ”相关问题
  • 第1题:

    On no account ______ proceed without pilot in this water area.

    A.the vessel

    B.shall not vessel

    C.the vessel should

    D.should vessel


    正确答案:D

  • 第2题:

    The Master of a vessel berthed,moored or anchored within the area of jurisdiction and who wishes to move his vessel to another berth,mooring or anchorage within that area ______ from‘Bahrain Port Control’prior to moving.

    A.shall not request permission

    B.shall request permission

    C.shall,if in convenience,request permission

    D.shall send his permission to the Harbour Master


    正确答案:B

  • 第3题:

    Which description regarding OSPF Network LSAs is correct?()

    • A、They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.
    • B、They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.
    • C、They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.
    • D、They are originated by  every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.

    正确答案:C

  • 第4题:

    You recently created a database and configured the SPFILE with the following parameter settings to ensure that Oracle automatically adjusts the memory for the Program Global Area (PGA):   SORT_AREA_SIZE = 150M   HASH_AREA_SIZE = 150M   BITMAP_MERGE_AREA_SIZE = 150M   CREATE_BITMAP_AREA_SIZE = 150M   WORKAREA_SIZE_POLICY = AUTO   You have not included the PGA_AGGREGATE_TARGET initialization parameter in the SPFILE and the System Global Area (SGA) is currently sized at 4G.   What is the total PGA memory allocated across all database server processes?()  

    • A、 10M
    • B、 400M
    • C、 600M
    • D、 800M

    正确答案:D

  • 第5题:

    单选题
    If the length of a wire is halved and the cross-sectional area is doubled, the resistance will be ()
    A

    quartered

    B

    unchanged

    C

    doubled

    D

    quadrupled


    正确答案: C
    解析: 暂无解析

  • 第6题:

    单选题
    要创建Groove工作区,可在“开始”选项卡中,单机“新建”下接列表然后选()
    A

    Groove工作区

    B

    share-Groove工作区

    C

    share-Pointment工作区

    D

    打开文件


    正确答案: D
    解析: 暂无解析

  • 第7题:

    单选题
    The total of such areas gets divided _______ between the total number of flats per floor: the larger the number of flats per floor, the lesser is this area _______ gets added to the area of the flat.
    A

    sufficiently; where

    B

    proportionately; that

    C

    equally; as

    D

    adequately; when


    正确答案: B
    解析:
    每层楼的公寓数量和其面积成反比:公寓数量越多,公寓的面积就越小。proportionately成比例地,另外area后面是一个定语从句用来修饰它。sufficiently足够地。equally平等地。adequately足够地。

  • 第8题:

    单选题
    You have included the following parameter setting in your server parameter file:       PGA_AGGREGATE_TARGET = 800M        SORT_AREA_SIZE = 100M        HASH_AREA_SIZE = 100M        BITMAP_MERGE_AREA_SIZE = 100M        CREATE_BITMAP_AREA_SIZE = 100M   Which statement is true?()
    A

     All the *_AREA_SIZE parameters are ignored.

    B

     The Automatic PGA Memory Management feature cannot be disabled.

    C

     The total Program Global Area (PGA) memory cannot be manually increased above 800M.

    D

     The total memory for the PGA can automatically exceed 800M using the Automatic PGA Memory Management feature.


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    Vessels must not “exceed” a speed of 8 knots in this area.().
    A

    sail at

    B

    except

    C

    proceed at

    D

    steam over


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    Which of the listed devices could be used as a ring groove tool during preparation for the installation of new rings?()
    A

    Steel brush

    B

    Fine emery cloth or steel wool

    C

    A section of the removed compression ring

    D

    A case hardened scraper


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    Which statement is TRUE concerning protection of double bottom tanks against excessive pressure? ()
    A

    Each vent for the tank must be equal to the area of the tank filling line

    B

    The tanks must be protected by overflows

    C

    The total area of the vents or the overflow shall be at least equal to the area of the fill line

    D

    There must be twice as much vent area as the area of the fill line


    正确答案: C
    解析: 暂无解析

  • 第12题:

    名词解释题
    大沟(major groove)和小沟(minor groove)

    正确答案: 绕B-DNA双螺旋表面上出现的螺旋槽(沟),宽的沟称之大沟,窄沟称之小沟。大沟、小沟都是由于碱基对堆积和糖-磷酸骨架扭转造成的。
    解析: 暂无解析

  • 第13题:

    Which statement is TRUE concerning protection of double bottom tanks against excessive pressure?

    A.Each vent for the tank must be equal to the area of the tank filling line

    B.The tanks must be protected by overflows

    C.The total area of the vents or the overflow shall be at least equal to the area of the fill line

    D.There must be twice as much vent area as the area of the fill line


    正确答案:C

  • 第14题:

    During this season each year,the visibility in the above mentioned area is______.

    A.poor

    B.small

    C.Trifle

    D.little


    正确答案:A
    在每年的这个季节里,上面提及的区域能见度不良。

  • 第15题:

    大沟(major groove)和小沟(minor groove)


    正确答案:绕B-DNA双螺旋表面上出现的螺旋槽(沟),宽的沟称之大沟,窄沟称之小沟。大沟、小沟都是由于碱基对堆积和糖-磷酸骨架扭转造成的。

  • 第16题:

    单选题
    The resistance of a conductor varies ()
    A

    directly as its length and inversely as its cross-sectional area

    B

    inversely as its length and directly as its cross-sectional area

    C

    directly as its length and directly as its cross-sectional area

    D

    inversely as its length and inversely as its cross-sectional area


    正确答案: D
    解析: 暂无解析

  • 第17题:

    单选题
    During this season each year the visibility in the abovementioned area is().
    A

    poor

    B

    small

    C

    little

    D

    trifle


    正确答案: A
    解析: 暂无解析

  • 第18题:

    单选题
    Which description regarding OSPF Network LSAs is correct?()
    A

    They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.

    B

    They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.

    C

    They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.

    D

    They are originated by  every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    All persons or vessels within the lock area,including the lock approach channels,come under the authority of the().
    A

    dockmaster

    B

    dock captain

    C

    lockmaster

    D

    lock foreman


    正确答案: A
    解析: 暂无解析

  • 第20题:

    单选题
    No claim for constructive total loss based upon the cost of recovery and/or repair of the Vessel shall be recoverable hereunder unless such cost would exceed().
    A

    the stated value

    B

    the sound valve of the vessel at the time of occurrence

    C

    the lost value

    D

    the insured value


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    Heavy wear in a particular area of the inner circumference of a packing ring may be caused by ().
    A

    a high suction head

    B

    rotating rings

    C

    badly worn bearings

    D

    a loose stuffing box gland


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    Ring groove inserts are occasionally used on aluminum alloy piston to()
    A

    reduce the ring groove wear rate

    B

    seal against crankcase vapors

    C

    lessen the wear on aluminum part of the cylinder

    D

    allow for the greater expansion rate of aluminum


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    Broken piston rings manifest themselves during the scavenge port inspection by()
    A

    Lack of elastic tension, when the rings are pressed into the groove by means of a stick

    B

    Blackish appearance

    C

    Fractured rings and missing rings

    D

    all off the above


    正确答案: B
    解析: 暂无解析