Electrical Machines In a single phase induction motor, the starting torque developed is proportional to 1/V² 1/V supply voltage V V² 1/V² 1/V supply voltage V V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator if field winding attains the critical resistance machine will generate maximum voltage. machine will generate maximum power. field winding will burn. the voltage generated will be zero. machine will generate maximum voltage. machine will generate maximum power. field winding will burn. the voltage generated will be zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a loaded DC motor, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will deteriorate and the speed rises. improve and the speed falls. deteriorate and the speed falls. improve and the speed rises. deteriorate and the speed rises. improve and the speed falls. deteriorate and the speed falls. improve and the speed rises. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous machine has P number of poles, find the relation between electrical angular momentum (ωe) and mechanical angular momentum (ωm)? ωe = ωm ωe = P*ωm ωe = 2/P*ωm ωe = P/2*ωm ωe = ωm ωe = P*ωm ωe = 2/P*ωm ωe = P/2*ωm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has the highest starting torque? Slip ring induction motor. Same in both induction motors. Squirrel cage induction motor. None of these Slip ring induction motor. Same in both induction motors. Squirrel cage induction motor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Star - star Delta - delta Delta - star Star - delta Star - star Delta - delta Delta - star Star - delta ANSWER DOWNLOAD EXAMIANS APP
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