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4. When a 3-phase induction motor is at no load, the slip is - (a) 1 (c) 0 (b) 0.4 (d) 0.5 5. When the rotor of a 3-phase induction motor is blocked, the slip is (a) 0 (b) 0.5 (c) 0.1 (d) 1 3-phase supply 50 Hz 6. P-4 LM When the motor at standstill, the rotor frequency is 7. The resistance representing the mechanical load in the equivalent eircuit of a three phase induction motor is given by: (a) R2(1-) (b)R2(S – 1) (c) R2-1) (d) R2S

4. When a 3-phase induction motor is at no load, the slip is - (a) 1 (c) 0 (b) 0.4 (d) 0.5 5. When the rotor of a 3-phase induction motor is blocked, the slip is (a) 0 (b) 0.5 (c) 0.1 (d) 1 3-phase supply 50 Hz 6. P-4 LM When the motor at standstill, the rotor frequency is 7. The resistance representing the mechanical load in the equivalent eircuit of a three phase induction motor is given by: (a) R2(1-) (b)R2(S – 1) (c) R2-1) (d) R2S

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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4. When a 3-phase induction motor is at no load, the slip is - (a) 1 (c) 0 (b) 0.4 (d) 0.5 5. When the rotor of a 3-phase induction motor is blocked, the slip is (a) 0 (b) 0.5 (c) 0.1 (d) 1 3-phase supply 50 Hz 6. P-4 LM When the motor at standstill, the rotor frequency is 7. The resistance representing the mechanical load in the equivalent eircuit of a three phase induction motor is given by: (a) R2(1-) (b)R2(S – 1) (c) R2-1) (d) R2S
Transcribed Image Text:4. When a 3-phase induction motor is at no load, the slip is - (a) 1 (c) 0 (b) 0.4 (d) 0.5 5. When the rotor of a 3-phase induction motor is blocked, the slip is (a) 0 (b) 0.5 (c) 0.1 (d) 1 3-phase supply 50 Hz 6. P-4 LM When the motor at standstill, the rotor frequency is 7. The resistance representing the mechanical load in the equivalent eircuit of a three phase induction motor is given by: (a) R2(1-) (b)R2(S – 1) (c) R2-1) (d) R2S
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