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Electrician Set-2
Inverter and UPS
1

Inverter and UPS MCQ with Answers

1) What is the minimum permissible single phase working voltage, if the declared voltage is 240V as per ISI?

233 V

228 V

216 V

211 V

Answer is:

228 V

Explanation:

.

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2) Which term refers that the mass of a substance liberated from an electrolyte by one coloumb of electricity?

Electrolysis

Electro plating

Electro copying

Electro chemical equivalent

Answer is:

Electro chemical equivalent

3) What is the full form of abbreviation UPS

Uniform Power Supply

Universal Power Supply

Unregulated Power Supply

Uninterrupted Power Supply

Answer is:

Uninterrupted Power Supply

4) Which is frequency converter?

Rectifiers

D.C choppers

Cyclo converters

D.C to A.C converters

Answer is:

Cyclo converters

5) What is the full form of PWM?

Pulse Wide Modulation

Pulse Width Modulation

Phase Wide Modulation

Phase Width Modulation

Answer is:

Pulse Width Modulation

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