Electrical Machines Hysteresis loss will depends on f³ f f1.6 f² f³ f f1.6 f² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To increase starting torque of a 3-phase slip ring induction motor, preferred method is to increase supply frequency None of these supply voltage rotor resistance supply frequency None of these supply voltage rotor resistance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is less than normal speed. normal speed. more than normal speed. zero. less than normal speed. normal speed. more than normal speed. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of a DC motor is laminated to reduce copper loss. friction and windage loss. hysteresis loss. eddy current loss. copper loss. friction and windage loss. hysteresis loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron loss in a transformer mainly occurs in winding of transformer. steel core in transformer. iron made tank of transformer. transformer insulating oil. winding of transformer. steel core in transformer. iron made tank of transformer. transformer insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In circle diagram for induction motor, diameter of circle represents which of the following ? Running torque. Slip. Line voltage. Rotor current. Running torque. Slip. Line voltage. Rotor current. ANSWER DOWNLOAD EXAMIANS APP