Electrical Machines If input of a transformer is square wave the output will be square wave. sine wave. pulsed wave. triangular wave. square wave. sine wave. pulsed wave. triangular wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? Both 1 and 2. None of these A small value of leakage reactance will increase the maximum power output of motor. The leakage reactance of the induction motor should be small. Both 1 and 2. None of these A small value of leakage reactance will increase the maximum power output of motor. The leakage reactance of the induction motor should be small. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of operation of a 3 - Φ induction motor is almost similar to that of transformer with secondary short circuited. repulsion start induction motor. capacitor start induction motor. synchronous motor. transformer with secondary short circuited. repulsion start induction motor. capacitor start induction motor. synchronous motor. 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 115 V 460 V 230 V 65 V 115 V 460 V 230 V 65 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, lap winding is used in where constant speed is required. high voltage and low current applications. where greater load is connected. high current and low voltage applications. where constant speed is required. high voltage and low current applications. where greater load is connected. high current and low voltage applications. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of slip rings in 3-phase synchronous motor will be 2 3 or 4 0 1 2 3 or 4 0 1 ANSWER DOWNLOAD EXAMIANS APP