You are attempting to parallel two AC.generators, and the synchroscope pointer revolving in the fast direction.This indicates that the frequency of the incoming machine isA.higher than the bus equencyB.lower than the bus equencyC.the same as the bus frequ

题目
You are attempting to parallel two AC.generators, and the synchroscope pointer revolving in the fast direction.This indicates that the frequency of the incoming machine is

A.higher than the bus equency

B.lower than the bus equency

C.the same as the bus frequency but out of phase with it

D.same as the bus frequency and the circuit breaker may be closed at


相似考题
参考答案和解析
答案:B
更多“You are attempting to parallel two AC.generators, and the synchroscope pointer revolving in the fast direction.This indicates that the frequency of the incoming machine is A.higher than the bu”相关问题
  • 第1题:

    Youneedtorecoverfivedatafilesthatarespreadacrossmultipledisks.Whichinitializationparametershouldyousettospeedupredoapplication?()

    A.RECOVERY_PARALLELISM

    B.FAST_START_MTTR_TARGET

    C.LOG_CHECKPOINT_INTERVAL

    D.FAST_START_PARALLEL_ROLLBACK


    参考答案:A

  • 第2题:

    You are attempting to parallel two AC generators, and the synchroscope(同步器) pointer is revolving in the fast direction. This indicates that the frequency of the incoming machine is ______.

    A.higher than the bus frequency

    B.lower than the bus frequency

    C.the same as the bus frequency but out of phase with it

    D.the same as the bus frequency and the circuit breaker may be closed at any pointer position


    正确答案:A

  • 第3题:

    If you____the trigger of a gun really hard and really fast, it doesn't fire any faster or harder than if you just squeezed it gently.

    A.condense
    B.squeeze
    C.obtain
    D.lost

    答案:B
    解析:
    本题考查内容为词意辨析。A选项意为“使浓缩、使压缩”,B选项意为“扣动、紧握”,C选项意为“获得、得到”,D选项意为“遗失、失去”,题目意为“如果你快速有力地____扳机,并不比你轻扣扳机, 射出的更加快速或有力。”因此选B,如果你快速有力地扣动扳机。
      

  • 第4题:

    Which option must you choose to configure Node Manager on a machine (server or zone)?()

    • A、Configure one Node Manager per domain (for example, if there are two domains on one  machine, then you will need to configure two Node Managers).
    • B、Configure one Node Manager per machine with any number of WebLogic instances running on it.
    • C、Configure one Node Manager per machine for all WebLogic, OHS, and OEM running on the  same machine.
    • D、Configure one Node Manager for every WebLogic instance.
    • E、Configure two or more Node Managers for every WebLogic instance.

    正确答案:B

  • 第5题:

    You are attempting to increase the checkpoint interval on your database. Each of the following choices will affect the duration and/or frequency of checkpoints, except one.  Which is it?()

    • A、Size of redo logs 
    • B、Number of datafiles 
    • C、LOG_CHECKPOINT_INTERVAL 
    • D、LOG_CHECKPOINT_TIMEOUT

    正确答案:B

  • 第6题:

    You upgrade your Oracle database in a multiprocessor environment. As a recommended you execute thefollowing script:SQL > @utlrp.sqlWhich two actions does the script perform?()

    • A、Parallel compilation of only the stored PL/SQL code
    • B、Sequential recompilation of only the stored PL/SQL code
    • C、Parallel recompilation of any stored PL/SQL code
    • D、Sequential recompilation of any stored PL/SQL code
    • E、Parallel recompilation of Java code
    • F、Sequential recompilation of Java code

    正确答案:C,E

  • 第7题:

    单选题
    When two AC generators are being paralleled, the breaker should be closed with the synchroscope pointer mating in the ()
    A

    slow direction, just before the 12 o'clock position

    B

    fast direction, just after the 12 o'clock position

    C

    fast direction, just before the 12 o'clock position

    D

    slow direction, just after the 12 o'clock position


    正确答案: D
    解析: 暂无解析

  • 第8题:

    单选题
    You are running parallel to the coast and take a running fix using bearings of the same object.If you are making less speed than used for the running fix,in relation to the position indicated by the fix,you will be().
    A

    Closer to the coast

    B

    Farther from the coast

    C

    On the track line ahead of the fix

    D

    On the track line behind the fix


    正确答案: C
    解析: 暂无解析

  • 第9题:

    单选题
    You are attempting to parallel two AC generators and the synchroscope pointer is revolving in the slow directionThis indicates that the frequency of the incoming machine is ().
    A

    higher than the bus frequency

    B

    lower than the bus freouencv

    C

    the same as the bus frequency but out of phase with it

    D

    the same as the bus frequency, and the circuit breaker may be closed at any pointer position


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    You are attempting to parallel two AC generators, and the syncope pointer is revolving in the fast directionThis indicates that the frequency of the incoming machine is ().
    A

    higher than the bus frequency

    B

    lower than the bus frequency

    C

    the same as the bus frequency but out of phase with it

    D

    the same as the bus frequency and the circuit breaker may be closed at any pointer position


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    Prior to closing the breaker when paralleling two AC generators, the recommended practice is to have the frequency of the incoming machine ()
    A

    slightly less than the line frequency

    B

    the same as the line frequency

    C

    slightly greater than the line frequency

    D

    All of the above


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    When attempting to restart a warm high-speed engine, which of the following reactions can you expect?()
    A

    Excessive fuel

    B

    Higher than normal temperatures for star up

    C

    Longer starting periods

    D

    Higher than normal lube oil pressure


    正确答案: D
    解析: 暂无解析

  • 第13题:

    You are the Cisco Network Designer in Cisco.com. Which two statements about Layer 3 access designs are correct?()

    A. Convergence time is fractionally slower than STP.

    B. Broadcast and fault domains are increased.

    C. IP address space is difficult to manage.

    D. Fast uplink convergence is supported for failover and fallback.


    参考答案:C, D

  • 第14题:

    A hurricane moving northeast out of the Gulf passes west of your position. You could expect all of the following EXPECT ______.

    A.higher than normal swells

    B.high winds

    C.winds veering from south, through west, to northwest

    D.light showers


    正确答案:D
    飓风从海湾向东北方向移动,从你船西边通过,将遇到下列除小阵雨外的情况。

  • 第15题:

    You are about to design a very fast convergence time on a service provider network. Which feature wouldyou utilize to declare a link failure within less than two seconds of the fault on a link?()

    • A、fast convergence SFP
    • B、MTU discovery
    • C、redundancy links
    • D、keepalive
    • E、carrier delay

    正确答案:E

  • 第16题:

    You need to recover five data files that are spread across multiple disks. Which initialization parameter should you set to speed up redo application?()

    • A、RECOVERY_PARALLELISM
    • B、FAST_START_MTTR_TARGET
    • C、LOG_CHECKPOINT_INTERVAL
    • D、FAST_START_PARALLEL_ROLLBACK

    正确答案:A

  • 第17题:

    In your production database, you have multiple resource plan directives that refer to the consumer group DB_GRP. Which two statements are correct?()

    • A、The parallel degree limit for DB_GRP will be the minimum of all the incoming values.
    • B、The parallel degree limit for DB_GRP will be the maximum of all the incoming values.
    • C、The maximum estimated execution time for DB_GRP would be the most nonrestrictive of all incoming values.
    • D、If a session switched from the DB_GRP consumer group to another consumer group because it exceeded the prescribed switch time, then that session would not execute if the active session pool for the new consumer group was full.
    • E、If a session switched from the DB_GRP consumer group to another consumer group because it exceeded the prescribed switch time, then that session would execute even if the active session pool for the new consumer group was full.

    正确答案:A,E

  • 第18题:

    You use Microsoft System Center Virtual Machine Manager (VMM) 2008 R2 to manage your Hyper-V environment. You start a physical-to-virtual (P2V) conversion by using the Convert Physical Server (P2V) Wizard. The wizard indicates that a driver is missing. You need to ensure that you can complete the P2V conversion. Which two actions should you perform?()

    • A、Add the driver file to the VMM library.
    • B、Add the driver file to the Patch Import directory on the VMM server.
    • C、Run the PowerShell Add-Patch cmdlet.
    • D、Run the PowerShell Get-HotFix cmdlet.

    正确答案:B,C

  • 第19题:

    单选题
    You are about to design a very fast convergence time on a service provider network. Which feature wouldyou utilize to declare a link failure within less than two seconds of the fault on a link?()
    A

    fast convergence SFP

    B

    MTU discovery

    C

    redundancy links

    D

    keepalive

    E

    carrier delay


    正确答案: D
    解析: 暂无解析

  • 第20题:

    单选题
    An alternator switchboard has a synchroscope and synchronizing lamps, if the synchroscope is broken, which of the steps listed is the most essential before an alternator can be paralleled with the bus ()
    A

    The breaker should be closed when one synchronizing lamp is dark and the other is bright

    B

    The breaker should be closed when both synchronizing lamps are bright

    C

    The frequency meter should be used to determine that the incoming alternator frequency is slightly higher than the bus

    D

    A portable phase sequence indicator must be used to verify the information from the lamps


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    Mary is as fast as, if not faster than, anyone in her class and should be on the team.
    A

    as fast, if not faster than, anyone else

    B

    as fast as, if not more fast than, anyone

    C

    as fast as, if not faster than, anyone else

    D

    as fast, if not faster than, anyone


    正确答案: A
    解析:
    比较级和同等比较的应用。同等比较的结构为:as+形容词/副词的原级+as+比较对象。可排除选项A和D。少于两个音节的形容词/副词的比较级是在后面后加-er,或用more+形容词/副词的原级,fast的比较级为faster,故排除选项B。因此选C。

  • 第22题:

    单选题
    To parallel an incoming machine to a running machine therefore it is necessary to ensure firstly that ().
    A

    two frequencies must be brought into phase

    B

    the incoming machine accepts a small amount of load

    C

    the running machine must be unload

    D

    both voltages are equal


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    When paralleling two AC generators, the frequency of the machine coming on-line, immediately prior to closing its breaker, should be ()
    A

    slightly less than the oncoming generator frequency

    B

    the same as the bus frequency

    C

    slightly greater than the bus frequency

    D

    the same as the bus voltage


    正确答案: A
    解析: 暂无解析