Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Capacitor run type. Shaded pole type. Capacitor start. Split phase type. Capacitor run type. Shaded pole type. Capacitor start. Split phase type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 2 pole synchronous machine is operating at 3000 rpm. Find the relation between electrical angular momentum (ωe) and mechanical angular momentum (ωm) ? ωe = 1/2*ωm ωe = ωm ωe = 2*ωm ωe = 4*ωm ωe = 1/2*ωm ωe = ωm ωe = 2*ωm ωe = 4*ωm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series field consists of--------number of turns and ---------- conductors respectively less and thick less and thin large and thin large and thick less and thick less and thin large and thin large and thick ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a three phase star - delta transformer, what is the angle difference between primary and secondary phase voltages? Delta side lags by -30°. Star side lags by -30°. Delta side leads by 30°. Star side leads by 30°. Delta side lags by -30°. Star side lags by -30°. Delta side leads by 30°. Star side leads by 30°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The full load copper loss and iron loss of transformer are 6400W and 5000W respectively. The copper loss and iron loss at half load will be respectively? 3200 W and 5200 W 1600 W and 5000 W 1600 W and 1250 W 3200 W and 2500 W 3200 W and 5200 W 1600 W and 5000 W 1600 W and 1250 W 3200 W and 2500 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC compound motor can be reversed by interchanging armature connections. armature or field connections. shunt field connections. series field connections. armature connections. armature or field connections. shunt field connections. series field connections. ANSWER DOWNLOAD EXAMIANS APP