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【单选题】

A ground can be defined as an electrical connection between the wiring of a motor and its（）.

A、shunt field

B、circuit breaker

C、metal framework

D、inter-pole

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更多“A ground can be defined as an electrical connection between the wiring of a motor and its（）.”相关的问题
第1题
[单选题] Any electric motor can be constructed to be（）.

A、short proof  B、ground proof  C、explosion proof  D、overload proof  

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第2题
[] Any electric motor can be constructed to be（）.

A、A.short proof  B、B.ground proof  C、C.explosion proof  D、D.overload proof  

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第3题
[单选题] Good anchorage may be obtained anywhere in this water area，the bottom being generally mud and sand，vessel may have（）.

A、good getting ground  B、good holding ground  C、good grabbing ground  D、good handling ground  

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第4题
[单选题] Good anchorage may be obtained anywany, generally mud and sand, in this water area. Vessel may have（）.

A、good towing ground  B、good holding ground  C、good grabbing ground  D、good dragging ground  

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第5题
[单选题] The word “critical” in the sentence “This is a critical period as any loss of propulsion, or steering, can lead to collision, grounding, or other damage to the ship” can be best replaced by （）.

A、dangerous  B、best  C、bad  D、important  

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第6题
[] Aboard ship, a grounded field coil in an AC motor can be determined by using a （）.

A、A.portable growler  B、B.galvanometer  C、C.visual inspection  D、D.megohmmeter  

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第7题
[单选题] What is the maximum number of ARCn processes that can be defined using the initialization parameter LOG_ARCHIVE_MAX_PROCESSES？（）

A、1  B、5  C、10  D、15  E、Depends on system memory resources  

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第8题
[单选题] Usually the panels are interlocked with （） so that the devices can be made dead before the doors are opened.

A、protective earth  B、isolators  C、ground switch  D、circuit-breakers  

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第9题
[单选题] When a grounding strap is not available, a technician can ground by touching the computer’s:（）

A、power supply.  B、CPU fan.  C、memory chips.  D、motherboard.  

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