Electrical Machines When R2 is rotor resistance, X2 the rotor reactance at supply frequency and s the slip, then the condition for maximum torque under running condition will be R2 = s2X2. R2 = sX2. sR2 = X2. R2 = s2X2. R2 = s2X2. R2 = sX2. sR2 = X2. R2 = s2X2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A series motor is efficiently suitable for none of these. low starting torque operation. constant speed operation. high starting torque operation. none of these. low starting torque operation. constant speed operation. high starting torque operation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a resistance split phase motor, what is the range of torque angle? 25° to 30° 70° to 85° 90° 0° 25° to 30° 70° to 85° 90° 0° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, brushes are always placed along load axis. geometrical neutral axis. magnetic neutral axis. armature axis. load axis. geometrical neutral axis. magnetic neutral axis. armature axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Cummulative compound. Series. Shunt. Differently compounded. Cummulative compound. Series. Shunt. Differently compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor, damper windings are provided on None of these stator frame. pole faces. rotor shaft. None of these stator frame. pole faces. rotor shaft. ANSWER DOWNLOAD EXAMIANS APP
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