Electrical Machines Swinburne test is conducted under which of the following condition? full load no load any of the above half load full load no load any of the above half load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of a DC motor is laminated to reduce copper loss. hysteresis loss. eddy current loss. friction and windage loss. copper loss. hysteresis loss. eddy current loss. friction and windage loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the air gap of IM is increased, ____________ will increase. magnetizing current. air gap flux. speed. power factor. magnetizing current. air gap flux. speed. power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 10 ohm 0.2 ohm 100 ohm 2 ohm. 10 ohm 0.2 ohm 100 ohm 2 ohm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The three point starter is used for Shunt, compound and series motor. Shunt motor. Shunt motor as well as compound motors. Series motor. Shunt, compound and series motor. Shunt motor. Shunt motor as well as compound motors. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.2 lag unity 0.9 lag 0.2 lead 0.2 lag unity 0.9 lag 0.2 lead ANSWER DOWNLOAD EXAMIANS APP