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Electrician Set-2
AC Three Phase Motor
39

AC Three Phase Motor MCQ with Answers

39) Which type of winding wire is used to wind submersible pump motors?

PVC covered type

Terylene thread type

Super enamelled type

Double cotton covered type

Answer is:

PVC covered type

AC Three Phase Motor MCQ with Answers

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Related AC Three Phase Motor MCQ with Answers

40) What is the reason of long chord winding is avoided in AC motors?

Low efficiency

Low starting torque

More winding wire required

Less heat dissipation

Answer is:

More winding wire required

41) Which type of winding has more space for cooling?

Between overhanging coils

Between overhanging coil and rotor

Between overhanging coils and yoke

Between overhanging coil and wedge

Answer is:

Between overhanging coils and yoke

42) Where the panel boards are used?

Industrial motor drives

Domestic wiring circuits

3 phase domestic wiring

Load distribution for AC & DC supply

Answer is:

3 phase domestic wiring

43) Determine the torque in newton metres produced by a 7.5 HP squirrel cage motor rotating at 1440 rpm?

21.63 Nm

24.4 Nm

33.05 Nm

36.6 Nm

Answer is:

36.6 Nm

AC Three Phase Motor MCQ with Answers

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