Electrical Machines Open circuit test on transformer gives eddy current loss hysteresis loss copper loss both 1and 2 eddy current loss hysteresis loss copper loss both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? S 1/S 1/(1-S) 1-S S 1/S 1/(1-S) 1-S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for development of torque commutation generation of voltage electromechanical energy conversion development of torque commutation generation of voltage electromechanical energy conversion ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC shunt generator builds up 230 V when driven in clockwise direction. In case it is driven in anti clockwise direction, other things remaining unchanged, then the voltage build up is not possible some what more than 230 V 230 V some what less than 230 V not possible some what more than 230 V 230 V some what less than 230 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM is running at a full load speed of 980 rpm. If it delivers an air gap power of 98000 Watt, calculate the rotor ohmic loss? 1800 Watt. 980 Watt. 1960 Watt. 1920 Watt. 1800 Watt. 980 Watt. 1960 Watt. 1920 Watt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotor resistance speed control is used in synchronous motor. slip ring induction motor. dc shunt motor. squirrel cage induction motor. synchronous motor. slip ring induction motor. dc shunt motor. squirrel cage induction motor. ANSWER DOWNLOAD EXAMIANS APP