Electrical Machines The power factor of squirrel cage induction motor is both A and B low at light loads only low at heavy loads only low at rated load only both A and B low at light loads only low at heavy loads only low at rated load only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If starting current of a 3 - Φ induction motor is 5 times the rated current, while rated slip is 4 %, then ratio of starting torque to full load torque is 1. 0.4. 0.6. 0.8. 1. 0.4. 0.6. 0.8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ratio of starting torque to full load torque is minimum in Shunt motor. Differential compound motor. Cumulative compound motor. Series motor. Shunt motor. Differential compound motor. Cumulative compound motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At stand still condition the value of slip is finite value 0 1 infinite value finite value 0 1 infinite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is leading power factor. unity power factor. None of these lagging power factor. leading power factor. unity power factor. None of these lagging power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the shunt resistance component equivalent circuit obtained by no load test of an induction motor representative of ? core loss only both 1 and 2 windage and friction loss Copper loss core loss only both 1 and 2 windage and friction loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
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