Electrical Machines In field flux method speed control of DC Motor is constant torque drive below the base speed. constant power drive above base speed. constant hp drive below the base speed. constant torque drive above the base speed. constant torque drive below the base speed. constant power drive above base speed. constant hp drive below the base speed. constant torque drive above the base speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss is proportional to f. f3. f1.5. f2. f. f3. f1.5. f2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Variation in speed by ward-Leonard control of DC motors occurs due to variation in Supply voltage. Field excitaion. Armature voltage. Armature current. Supply voltage. Field excitaion. Armature voltage. Armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC generators has rising V-I characteristics? None of them. Shunt. Series. Compound. None of them. Shunt. Series. Compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an cummulative compound motor. shunt motor. series motor. AC synchronous motor. cummulative compound motor. shunt motor. series motor. AC synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on which of the following? Rotor speed. Core loss component. Synchronous speed. Shaft torque. Rotor speed. Core loss component. Synchronous speed. Shaft torque. ANSWER DOWNLOAD EXAMIANS APP