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Electrician
Electrician Set-1
Single Phase Motors
15

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

15) The rotational speed of a universal motor can be controlled by :

series voltage regulator

tapped field method

centrifugal switch method

any one of the above stated methods

Answer is:

any one of the above stated methods

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

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

16) In a capacitor-start induction-run motor, a capacitor is used for :

suppressing the sparking produced across the centrifugal switch

leading the current in main winding (running winding)

improving the power factor

phase splitting

Answer is:

phase splitting

17) Which one of the following single-phase motor perform with better power factor ?

Universal motor

Repulsion motor

Capacitor-start motor

Capacitor-run motor

Answer is:

Repulsion motor

18) Which type of motor is generally used in a portable electric blower ?

Repulsion motor

Universal motor

Capacitor-run motor

Hysteresis motor

Answer is:

Capacitor-run motor

19) If a winding makes electrical contact with the stator core, the winding is said to be :

short-circuited

open-circuited

closed

grounded

Answer is:

grounded

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

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