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Wireman Set-1
Commercial wiring
17

Commercial wiring MCQ with Answers

17) Why the battery is to be placed nearer to ups in ups wiring?

To minimise the length of cable

For safety rea

To increase the life of bat

To reduce voltage drop

Answer is:

To reduce voltage drop

Commercial wiring MCQ with Answers

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Related Commercial wiring MCQ with Answers

18) What adjustment is to be done in commercial installation for interconnection of two or more UPS?

By connecting manually

By using a change over relay

By using rotary switch

By using ICDP switch

Answer is:

By using a change over relay

19) How the capacity of an inverter is expressed?

Watt hour

Ampere

Volt ampere

Ampere hour

Answer is:

Volt ampere

20) Which wire is used to connect inverter and battery?

PVC 1.5 sqmm copper wire

Special auto wire

PVC 1.5 sqmm aluminium wire

PVC 2.5 sqmm copper wire

Answer is:

Special auto wire

21) How the neutral is provided in an inverter?

It is common for inverter output and AC mains

Separate neutral wire is provided

Neutral is provided for output only

Neutral is provided for AC mains only

Answer is:

It is common for inverter output and AC mains

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