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Electrician Set-2
Inverter and UPS
18

Inverter and UPS MCQ with Answers

18) Which instrument is used to check short circuit faults in electronic circuit in voltage stabilizer?

Ammeter

Voltmeter

Ohmmeter

Multimeter

Answer is:

Multimeter

Which instrument is used to check short circuit faults in electronic circuit in voltage stabilizer?

Inverter and UPS MCQ with Answers

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Related Inverter and UPS MCQ with Answers

19) What are the important stages in a simple inverter?

Oscillator and rectifier stages

llator and amplifier stages

Amplifier and transformer output stages

Oscillator, amplifier and transformer output stages

Answer is:

Oscillator, amplifier and transformer output stages

20) Where square wave inverters are used?

Computers

TV receiver

DVD players

General lighting

Answer is:

General lighting

21) How the backup time of UPS can be increased?

Increase the VA rating of UPS

Increase the AH capacity of battery

Decrease the AH capacity of battery

Maintain battery terminal voltage always 90% of rating

Answer is:

Increase the AH capacity of battery

22) How the hard sulphation defect in secondary cell can be prevented?

Provide trickle charging

Provide freshening charge

Provide constant current charging

Provide constant potential method charging

Answer is:

Provide trickle charging

How the hard sulphation defect in secondary cell can be prevented?

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