Electrical Machines Quadrature axis synchronous reactance is the ratio of Vmax to Imax. Vmin to Imax. Vmax to Imin. Vmin to Imin. Vmax to Imax. Vmin to Imax. Vmax to Imin. Vmin to Imin. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Drop in speed from no load to full load is very high in Series motor without interpoles. Cummulative compound motor with interpoles. Shunt motor with interpoles. Series motor with interpoles. Series motor without interpoles. Cummulative compound motor with interpoles. Shunt motor with interpoles. Series motor with interpoles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field divertor resistance for a DC series motor is of order of 10 Ω 0.1 Ω 50 Ω 100 Ω 10 Ω 0.1 Ω 50 Ω 100 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of the rotor bars of dc motors are laminated to reduce mechanical losses. to provide better flux linkage. to reduce hysteresis loss. to reduce eddy current loss. to reduce mechanical losses. to provide better flux linkage. to reduce hysteresis loss. to reduce eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eddy current loss will depends on Flux density All of these Frequency Thickness Flux density All of these Frequency Thickness ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop synchronous motor torque. DC motor torque. induction motor torque. induction generator torque. synchronous motor torque. DC motor torque. induction motor torque. induction generator torque. ANSWER DOWNLOAD EXAMIANS APP