Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 1. 0.54. 0.7. 0.3. 1. 0.54. 0.7. 0.3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 72° 18° 30° 36° 72° 18° 30° 36° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Secondary winding of an auto transformer is also called tertiary winding. compensating winding. common winding. damping winding. tertiary winding. compensating winding. common winding. damping winding. 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 = P*ωm ωe = 2/P*ωm ωe = ωm ωe = P/2*ωm ωe = P*ωm ωe = 2/P*ωm ωe = ωm ωe = P/2*ωm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC compound motors are generally Cummulative compound. Level Compound. Differentical compound. None of these. Cummulative compound. Level Compound. Differentical compound. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 100 KVA transformer is operating at 60 Hz, 240 V supply. The same transformer is operating at 50 Hz, 200 V supply. The new rating is 123.3 KVA 100 KVA 83.33 KVA 50 KVA 123.3 KVA 100 KVA 83.33 KVA 50 KVA ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS