Electrical Machines In an induction motor, air gap power is 10 Kw and mechanically developed power is 8 Kw. What are the rotor ohmic losses? 2KW 0.5Kw 3KW 1.5KW 2KW 0.5Kw 3KW 1.5KW ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss is proportional to f2. f1.5. f. f3. f2. f1.5. f. f3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 230.2 V. 399 V. 50 V. 100 V. 230.2 V. 399 V. 50 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator in case the brushes are moved so as to bring them in magnetic neutral axis, then, there will be cross-magnetization as well as demagnetization. none of above. cross-magnetisation. demagnetisation. cross-magnetization as well as demagnetization. none of above. cross-magnetisation. demagnetisation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Select the motor that should not be started on no load? Brushless DC motor. Shunt motor. Compound motor. Series motor. Brushless DC motor. Shunt motor. Compound motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 500 V, 120 KW, 50 Hz, star connected synchronous motor operating at 0.8 power factor leading has full load efficiency of 91%. The armature resistance is equal to 0.08Ω. The magnitude of armature current is nearly equal to 240 A. 127 A. 173 A. 190 A. 240 A. 127 A. 173 A. 190 A. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS