Electrical Machines No load test of 3-phase induction motor gives which of the following? variable loss constant loss both A and B None of these variable loss constant loss both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the inner cage offers low resistance and high reactance. low resistance and low reactance. high resistance and low reactance. high resistance and high reactance. low resistance and high reactance. low resistance and low reactance. high resistance and low reactance. high resistance and high reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of squirrel cage induction motor is low at rated load only low at light loads only low at heavy loads only both A and B low at rated load only low at light loads only low at heavy loads only both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc motors, under leading pole tips flux density will--------? either increase or decrease decrease None of these increase either increase or decrease decrease None of these increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines R1 is the resistance of the primary winding of the transformer. The turn ratio in terms of primary to secondary is K. Then the equivalent resistance of the primary referred to secondary is K²R1 R1 /K R1 /K² K×R1 K²R1 R1 /K R1 /K² K×R1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of copper loss total iron losses hysteresis loss eddy current loss copper loss total iron losses hysteresis loss eddy current loss ANSWER DOWNLOAD EXAMIANS APP
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