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Electrician
Electrician Set-2
AC Three Phase Motor
38

AC Three Phase Motor MCQ with Answers

38) Which type of starter is used to start and run the 3 phase slip ring induction motor?

Direct on-line starter

Rotor rheostat starter

Auto transformer starter

Manual star-delta starter

Answer is:

Rotor rheostat starter

AC Three Phase Motor MCQ with Answers

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Related 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

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

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