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 83.33 KVA 50 KVA 100 KVA 123.3 KVA 83.33 KVA 50 KVA 100 KVA 123.3 KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control provides speed control in one direction only. in both direction. below rated speed. above rated speed. in one direction only. in both direction. below rated speed. above rated speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Drop in speed from no load to full load is very high in Shunt motor with interpoles. Series motor without interpoles. Cummulative compound motor with interpoles. Series motor with interpoles. Shunt motor with interpoles. Series motor without interpoles. Cummulative compound motor with interpoles. Series motor with interpoles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC compound motor can be reversed by interchanging series field connections. armature connections. armature or field connections. shunt field connections. series field connections. armature connections. armature or field connections. shunt field connections. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct statements? All of these EMF per turn in HV winding is less than EMF per turn in LV winding EMF per turn in HV winding is more than EMF per turn in LV winding EMF per turn in both the windings are equal All of these EMF per turn in HV winding is less than EMF per turn in LV winding EMF per turn in HV winding is more than EMF per turn in LV winding EMF per turn in both the windings are equal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a practical synchronous motor the pull out torque will occur when the torque angle is nearly equal to 0°. 45°. 30°. 75°. 0°. 45°. 30°. 75°. ANSWER DOWNLOAD EXAMIANS APP