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Electrician
Electrician Set-1
Single Phase Motors
81

Single Phase Motors MCQ - Electrician (Set-1) with Answers

81) The phase angle difference between the main and starting winding of single phase induction motor is :

90 degree

120 degree

180 degree

360 degree

Answer is:

90 degree

Single Phase Motors MCQ - Electrician (Set-1) with Answers

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Related Single Phase Motors MCQ - Electrician (Set-1) with Answers

82) Commutator motors can be classified into

5

4

3

2

Answer is:

2

83) Split phase induction motors can be classified into

6

5

4

3

Answer is:

6

84) In split phase motor, the centrifugal switch operates and open the starting winding after attaining the rated speed of

75%

80%

85%

100%

Answer is:

75%

85) The purpose of the centrifugal switch in single phase induction motor is to :

operate make and brake contact of starting winding

disconnect the main winding after starting

connect the starting winding along with running winding

disconnect the starting winding after 75% speed obtained

Answer is:

disconnect the starting winding after 75% speed obtained

Single Phase Motors MCQ - Electrician (Set-1) with Answers

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