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Electrician
Electrician Set-1
Single Phase Motors
84

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

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%

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

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

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

86) The purpose of centrifugal switch provided in single phase induction motor is to

connect the starting and running winding during running

trip-off the motor, when the short circuit fault occurs

disconnect the starting winding after obtaining 75% of speed

control the speed of the motor

Answer is:

disconnect the starting winding after obtaining 75% of speed

87) Which type of single phase motor can be used on both AC and DC supply ?

Shaded pole motor

Universal motor

Repulsion motor

Capacitor-start, induction run motor

Answer is:

Universal motor

88) The universal motor works on the same principle of which type of machine ?

D.C. generator

D.C. motor

A.C. Induction motor

A.C. Generator

Answer is:

D.C. motor

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

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