Electrical Machines The speed of rotating magnetic field of 8 pole 50 Hz induction motor is 3000 rpm 1500 rpm 750 rpm 1000 rpm 3000 rpm 1500 rpm 750 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by the armature of DC motor is directly proportional to The speed of motor. None of above. The voltage across the terminals. The torque required. The speed of motor. None of above. The voltage across the terminals. The torque required. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines which of the following losses are negligible in blocked rotor test? iron loss copper loss both A and B mechanical loss iron loss copper loss both A and B mechanical loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC shunt motors are suitable for Blowers and fans. Centrifugal pumps All of this. Lathes. Blowers and fans. Centrifugal pumps All of this. Lathes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statement is correct, if short circuit ratio is high? Low short circuit current None of these Good voltage regulation High voltage regulation Low short circuit current None of these Good voltage regulation High voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reluctance and hysteresis motors are the types of which electrical motor? 1 - Φ synchronous motor. DC motor. Stepper motor. 3 - Φ induction motor. 1 - Φ synchronous motor. DC motor. Stepper motor. 3 - Φ induction motor. ANSWER DOWNLOAD EXAMIANS APP
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