COMMERCIAL WIRING - Practice Mode

1) Which electrical / electronic device requires ups?

Air conditioner Micro wave oven Compute Television

Correct Answer: Compute

2) 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

Correct Answer: To reduce voltage drop

3) 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

Correct Answer: By using a change over relay

4) How the capacity of an inverter is expressed?

Watt hour Ampere Volt ampere Ampere hour

Correct Answer: Volt ampere

5) 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

Correct Answer: Special auto wire

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