Electrical Machines The output voltage of a DC generator is E = V + IaRa. E = V + Ra. E = V – IaRa. E = V + Ia. E = V + IaRa. E = V + Ra. E = V – IaRa. E = V + Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the speed control of polyphase squirrel cage induction motor, if frequency of operation is decreased with either of these constant V, Tst increases constant supply voltage V, starting torque Tst decreases None of these either of these constant V, Tst increases constant supply voltage V, starting torque Tst decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 650 W 600 W 625 W 700 W 650 W 600 W 625 W 700 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is self starting? Poly-phase induction motor. None of these. Poly-phase synchronous machine. Single phase induction motor. Poly-phase induction motor. None of these. Poly-phase synchronous machine. Single phase induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is employed to brake reversing drive non reversing drive both 1 and 2 None of these reversing drive non reversing drive both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, the reluctance power varies as sin2δ cos2δ cosδ sinδ sin2δ cos2δ cosδ sinδ ANSWER DOWNLOAD EXAMIANS APP
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