Electrical Machines In a synchronous motor, damper windings are provided on rotor shaft. None of these pole faces. stator frame. rotor shaft. None of these pole faces. stator frame. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor fitted with ceiling / table fans is of the value of 0.1 µF. 5 - 10 F. 2 - 3 µF. 1 - 2 µF. 0.1 µF. 5 - 10 F. 2 - 3 µF. 1 - 2 µF. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tap changer is generally provided in current transformer. voltage transformer. power transformer. earthing transformer. current transformer. voltage transformer. power transformer. earthing transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For standing a DC motor a starter is required because it limits the starting current to a safe value. It starts the motor. None of these it limits the speed of the motor. it limits the starting current to a safe value. It starts the motor. None of these it limits the speed of the motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ wound rotor induction motor the short circuit gear is used to short circuit the stator phases of the motor. None of these rotor at slip rings. starting resistance in the starter. stator phases of the motor. None of these rotor at slip rings. starting resistance in the starter. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Variation in speed by ward-Leonard control of DC motors occurs due to variation in Field excitaion. Supply voltage. Armature current. Armature voltage. Field excitaion. Supply voltage. Armature current. Armature voltage. ANSWER DOWNLOAD EXAMIANS APP
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