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Electrician
Electrician Set-1
Single Phase Motors
57

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

57) Single phase motor whose direction of rotation can not be changed by changing the connection is a

Capacitor start and run motor

Double capacitor motor

Repulsion induction motor

Universal motor

Answer is:

Repulsion induction motor

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

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

58) The rating of fuse for the protection of single phase motors should be equal to three times the

running current

starting current

no load current

full load current

Answer is:

full load current

59) As per BIS 1709:1984 recommendation, what is the ohmic value of insulation test conducted between the shorted capacitor terminal and the metal can, when measured by a 500 V megger ?

100 ohms

less than 50 kilo ohms

not less than 100 mega ohms

more than 10 mega ohms

Answer is:

not less than 100 mega ohms

60) The type of capacitor used in capacitor start motor is

electrolytic capacitor

ceramic capacitor

paper capacitor

mica capacitor

Answer is:

electrolytic capacitor

61) The position of shaded ring with respect to main pole of the shaded pole motor determines

speed of motor

direction of rotation

efficiency

torque

Answer is:

direction of rotation

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

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