Electrical Machines If input of a transformer is square wave the output will be pulsed wave. triangular wave. sine wave. square wave. pulsed wave. triangular wave. sine wave. square wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of 3 - Φ IM, plugging means locking of rotor due to harmonics. interchanging two supply phases for quick stopping. pulling the motor directly on line without a rotor. starting the motor on load which is more than the rated load. locking of rotor due to harmonics. interchanging two supply phases for quick stopping. pulling the motor directly on line without a rotor. starting the motor on load which is more than the rated load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC series motors are connected in series and are driving the same mechanical load. If the motors are now connected in parallel the speed will become double. 4 times. half. one fourth. double. 4 times. half. one fourth. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 100 V. 230.2 V. 50 V. 399 V. 100 V. 230.2 V. 50 V. 399 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Magnetic field of a DC generator is produced by what? Permanent magnets. None of the options. Both B and C. Electromagnets. Permanent magnets. None of the options. Both B and C. Electromagnets. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a transformer is loaded, the secondary terminal voltage drops. That means power factor is zero. lagging. leading. unity. zero. lagging. leading. unity. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS