An induction motor with 1000 r.p.m. speed will have________?
A2 poles
B8 poles
C6 poles
D4 poles
Correct answer
C. 6 poles
Explanation
The correct answer is 6 poles.
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Study 99 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
C. 6 poles
Explanation
The correct answer is 6 poles.
Correct answer
D. rotor current rernains same
Explanation
The correct answer is rotor current rernains same.
Correct answer
B. at the value of the slip which makes rotor reactance per phase equal to the resistance per phase
Explanation
The correct answer is at the value of the slip which makes rotor reactance per phase equal to the resistance per phase.
Correct answer
C. short-circuit test only
Explanation
The correct answer is short-circuit test only.
Correct answer
B. harmonics develped in the motor
Explanation
The correct answer is harmonics develped in the motor.
Correct answer
B. iron losses in stator will be more than that in rotor
Explanation
The correct answer is iron losses in stator will be more than that in rotor.
Correct answer
C. single phase motors
Explanation
The correct answer is single phase motors.
Correct answer
D. small
Explanation
The correct answer is small.
Correct answer
B. carbon steel
Explanation
The correct answer is carbon steel.
Correct answer
A. to reduce the magnetic hum and locking tendency of the rotor
Explanation
The correct answer is to reduce the magnetic hum and locking tendency of the rotor.