INVERTER AND UPS - Practice Mode

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

Correct Answer: 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

Correct Answer: Electro chemical equivalent

3) What is the full form of abbreviation UPS

Uniform Power Supply Universal Power Supply Unregulated Power Supply Uninterrupted Power Supply

Correct Answer: Uninterrupted Power Supply

4) Which is frequency converter?

Rectifiers D.C choppers Cyclo converters D.C to A.C converters

Correct Answer: Cyclo converters

5) What is the full form of PWM?

Pulse Wide Modulation Pulse Width Modulation Phase Wide Modulation Phase Width Modulation

Correct Answer: Pulse Width Modulation

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