Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 1. 0.54. 0.3. 0.7. 1. 0.54. 0.3. 0.7. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field divertor method of speed control of a DC series motor gives speed above rated one due to reduction of Field current. Armature current. Line current. None of above. Field current. Armature current. Line current. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has synchronous speed of 1500 rpm. What will be the slip when it is running at a speed of 1450 rpm? -3% -3.33% +3.33% +3% -3% -3.33% +3.33% +3% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5Ω and back back emf 200 V is 40 A. 44 A. 400 A. 440 A. 40 A. 44 A. 400 A. 440 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss will depends on f f³ f² f1.6 f f³ f² f1.6 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motor with rotor circuit open will not run. get over heated. run normally. make noise. not run. get over heated. run normally. make noise. ANSWER DOWNLOAD EXAMIANS APP
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