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Electrician
Electrician Set-2
AC-DC Motor Drives
9

AC-DC Motor Drives MCQ with Answers

9) Which type of sensing unit employed in drive system?

Opto coupler

Speed sensing

Photo voltaic cell

Resistance temperature detector

Answer is:

Speed sensing

AC-DC Motor Drives MCQ with Answers

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Related AC-DC Motor Drives MCQ with Answers

10) Which type of machine in industries is provided with multi motor electric drive?

Rolling machine

Air Compressor

Shearing machine

Heavy duty electric drilling machine

Answer is:

Rolling machine

11) Which control system is used for Eddy current drives?

Slip controller

Rectifier controller

AC voltage controller

DC chopper controller

Answer is:

Slip controller

12) What is the purpose of JOG key in control panel of D.C drive?

Stop the motor

Restart the motor

Inching operation

Reverse the direction of motor

Answer is:

Inching operation

13) What is the purpose of LCD on basic operator panel in D.C drive?

Indicate the fault

Display the speed

Monitor the parameter

Display availability of supply

Answer is:

Monitor the parameter

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