Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 20KVA 0KVA 4KVA 16KVA 20KVA 0KVA 4KVA 16KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motors are suitable for computer printer drive ? Stepper motor. Shaded pole motor. Hysteresis motor. Reluctance motor. Stepper motor. Shaded pole motor. Hysteresis motor. Reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the emf generated by the armature is maximum when rate of change of flux is maximum. rate of change of flux is minimum. induced voltage is high. shaft rotation is high. rate of change of flux is maximum. rate of change of flux is minimum. induced voltage is high. shaft rotation is high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The low voltage winding of a 400/230 V single phase 50 Hz transformer is to be connected to keep the magnetization current at the same level in both the cases the voltage at 25 Hz should be 65 V 115 V 460 V 230 V 65 V 115 V 460 V 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? None of these both 1 and 2 rotor reactance X rotor resistance R None of these both 1 and 2 rotor reactance X rotor resistance R ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be oscillating pulsating and unidirectional None of these steady and unidirectional oscillating pulsating and unidirectional None of these steady and unidirectional ANSWER DOWNLOAD EXAMIANS APP