Electrical Machines What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05? 1.1. 0.05. 0.905. 20. 1.1. 0.05. 0.905. 20. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 650 W 700 W 600 W 625 W 650 W 700 W 600 W 625 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under which of the following conditions hunting of synchronous motor is likely to occur ? Over-excitation. Over-loading for long period. Small and constant load. Periodic variation of load. Over-excitation. Over-loading for long period. Small and constant load. Periodic variation of load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 0 V. 60 V. 40 V. 20 V. 0 V. 60 V. 40 V. 20 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following load normally needs starting torque more than rated torque? Air compressors. Conveyers. Blowers. Centrifugal pumps. Air compressors. Conveyers. Blowers. Centrifugal pumps. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the outer cage offers high resistance and high reactance. low resistance and high reactance. high resistance and low reactance. low resistance and low reactance. high resistance and high reactance. low resistance and high reactance. high resistance and low reactance. low resistance and low reactance. ANSWER DOWNLOAD EXAMIANS APP
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