Electrical Machines Open circuit test on transformer gives copper loss hysteresis loss eddy current loss both 1and 2 copper loss hysteresis loss eddy current loss both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cross magnetization effects which of the following? both 2 and 3 reduction in main field flux commutation reduces the terminal voltage both 2 and 3 reduction in main field flux commutation reduces the terminal voltage 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 3600 rpm. 500 rpm. 3000 rpm. 600 rpm. 3600 rpm. 500 rpm. 3000 rpm. 600 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging in induction motor occurs when number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = 0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors uses slip rings? Synchronous motors Both Synchronous and Induction motor Induction motors DC Shunt Motor Synchronous motors Both Synchronous and Induction motor Induction motors DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On what factors the speed of dc motor depends? Field flux. Armature current Ia. Applied voltage. All of these. Field flux. Armature current Ia. Applied voltage. All of these. ANSWER DOWNLOAD EXAMIANS APP