Electrical Machines Which of the following will vary the maximum torque? rotor resistance R both 1 and 2 rotor reactance X None of these rotor resistance R both 1 and 2 rotor reactance X None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 10KVA auto transformer, turn ratio is 0.4. Find the power transferred inductively? 6 KVA 4 KVA 0 KVA 10 KVA 6 KVA 4 KVA 0 KVA 10 KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by speed can not be increased. increasing number of poles. decreasing of frequency. increasing of frequency. speed can not be increased. increasing number of poles. decreasing of frequency. increasing of frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the weight of the stator. hysteresis loss. eddy current loss. both of the above. weight of the stator. hysteresis loss. eddy current loss. both of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, the no-load slip is generally equal to zero. 1.5 %. 4 %. less than 1 %. zero. 1.5 %. 4 %. less than 1 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 volt dc motor has an armature winding resistance of 0.5 ohm. Calculate the emf induced by the motor if the full load armature current is 23 ampere. 218.5 volt. 120 volt. None of these. 220.4 volt. 218.5 volt. 120 volt. None of these. 220.4 volt. ANSWER DOWNLOAD EXAMIANS APP