Electrical Machines The output voltage of a DC generator is E = V + Ra. E = V – IaRa. E = V + Ia. E = V + IaRa. E = V + Ra. E = V – IaRa. E = V + Ia. E = V + IaRa. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a seperately excited DC Motor if field current is increased, it will Reduce starting torque. Increase acceleration duration. Reduce armature heating. Increase speed Reduce starting torque. Increase acceleration duration. Reduce armature heating. Increase speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has got maximum relieving property? Differentical compound. Shunt. Cummulative compound. Series. Differentical compound. Shunt. Cummulative compound. Series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control provides speed control below rated speed. in one direction only. above rated speed. in both direction. below rated speed. in one direction only. above rated speed. in both direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a transformer to be tested at full load conditions but consuming only losses from the main, we do OC and SC tests None of these load test back to back test OC and SC tests None of these load test back to back test ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces no torque. eddy current torque. both 1 and 2. damping torqe. no torque. eddy current torque. both 1 and 2. damping torqe. ANSWER DOWNLOAD EXAMIANS APP
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