Electrical Machines The flux involved in the emf equation of a transformer has maximum value. rms value. total value. average value. maximum value. rms value. total value. average value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type shunt generator. series generator. level compound. short - shunt generator. shunt generator. series generator. level compound. short - shunt generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If starting current of a 3 - Φ induction motor is 5 times the rated current, while rated slip is 4 %, then ratio of starting torque to full load torque is 1. 0.8. 0.6. 0.4. 1. 0.8. 0.6. 0.4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two mechanically coupled alternators deliver power at 50 Hz and 60 Hz respectively. The highest speed of the alternators is 500 rpm. 3600 rpm. 600 rpm. 3000 rpm. 500 rpm. 3600 rpm. 600 rpm. 3000 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A voltmeter gives 120 oscillations per minute when connected to the rotor of an induction motor. The frequency is 50Hz. The slip of the motor is 5% 4% 2% 25% 5% 4% 2% 25% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of rotating magnetic field of 8 pole 50 Hz induction motor is 1500 rpm 750 rpm 3000 rpm 1000 rpm 1500 rpm 750 rpm 3000 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS