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Electrician Set-1
Single Phase Motors
66

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

66) In an universal motor, the armature reaction can be reduced by

salient pole

compensating working armature

shifting the brush position

equalizer rings

Answer is:

compensating working armature

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

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

67) One of the operating characteristic of universal motor is :

constant speed at all loads

high speed at full load

constant speed at full load

varying speed depending on load

Answer is:

varying speed depending on load

68) Single phase capacitor start induction run motor is used in wet grinders. How will you connect the capacitor in wet grinder motor ?

series with starting winding

series with running winding

parallel with starting winding

parallel with running winding

Answer is:

series with starting winding

69) The stator winding of any type of an induction motor burns immediately, when its rotor is not rotating due to the absence of back emf during an A.C. supply. Which motor stator winding will not burn, even the rotor of the motor does not rotate and kept idea

shaded pole motor

slip ring motor

capacitor motor

stepper motor

Answer is:

stepper motor

The stator winding of any type of an induction motor burns immediately, when its rotor is not rotating due to the absence of back emf during an A.C. supply. Which motor stator winding will not burn, even the rotor of the motor does not rotate and kept idea

70) The function of capacitor in a capacitor start induction run motor is for

suppressing spark across centrifugal switch

making current to lead in main winding

improving the power factor

splitting the phase for producing the rotating magnetic field

Answer is:

splitting the phase for producing the rotating magnetic field

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

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