Electrical Machines No load test on induction motor is conducted to find which of the following losses? Stator copper loss Rotational loss Stator core loss All of these Stator copper loss Rotational loss Stator core loss All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of DC motor is laminated to reduce the mass. to reduce the hysteresis loss. to reduce the inductor. to reduce the eddy current loss. to reduce the mass. to reduce the hysteresis loss. to reduce the inductor. to reduce the eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which machine is used for battery charging? DC shunt generator. DC series generator. None of these. Compounded DC generator. DC shunt generator. DC series generator. None of these. Compounded DC generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinson test is conducted under which of the following condition? full load no load half load any of the above full load no load half load any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a seperately excited DC Motor if field current is increased, it will Increase acceleration duration. Increase speed Reduce starting torque. Reduce armature heating. Increase acceleration duration. Increase speed Reduce starting torque. Reduce armature heating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The supply voltage to an induction motor is reduced by 10%. By what percentage, approximately, will the maximum torque decrease? 5% 10% 19% 40% 5% 10% 19% 40% ANSWER DOWNLOAD EXAMIANS APP