Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 2.73 KW. 5.46 KW. 0.9103 KW. 1.644 KW. 2.73 KW. 5.46 KW. 0.9103 KW. 1.644 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which DC motor will have least percentage increase of input current, for the same percentage increase in the torque DC Shunt Motor DC Series Motor Compound Wound DC Motor Separately Excited DC Motor DC Shunt Motor DC Series Motor Compound Wound DC Motor Separately Excited DC Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum efficiency will occur, when copper loss is_______to iron loss? equal to less than any of the above greater than equal to less than any of the above greater than ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor uses 4-point starter? DC series motor. DC compound motor. DC shunt motor with armature resistance. DC shunt motor with field weaking control. DC series motor. DC compound motor. DC shunt motor with armature resistance. DC shunt motor with field weaking control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.3. 1. 0.54. 0.7. 0.3. 1. 0.54. 0.7. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 1 Hz 2HZ 50Hz 2.5Hz 1 Hz 2HZ 50Hz 2.5Hz ANSWER DOWNLOAD EXAMIANS APP