Electrical Machines The function of field regulator in a DC compound motor is to limit the armature current. vary the armature resistance. control field current. none of above. limit the armature current. vary the armature resistance. control field current. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shaded pole induction motors, the flux moves from ------------- region to ----------------- region respectively? unshaded, shaded shaded, shaded shaded, unshaded unshaded, unshaded unshaded, shaded shaded, shaded shaded, unshaded unshaded, unshaded ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is also called as-----------? constant current control constant torque control constant voltage control constant power control constant current control constant torque control constant voltage control constant power control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If s is the slip and f is the supply frequency of an induction motor, the frequency of rotor current is given by sf. f / s. sf / 2. s2. sf. f / s. sf / 2. s2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Saving of copper in auto transformer is increased as compared to two winding transformer, when transformation ratio K approaches to two. zero. infinity. unity. two. zero. infinity. unity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which single phase motor is used for a refrigerator? Repulsion. Universal. Capacitor run. Split phase. Repulsion. Universal. Capacitor run. Split phase. ANSWER DOWNLOAD EXAMIANS APP
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