Electrical Machines Hysteresis loss is proportional to f. f1.5. f3. f2. f. f1.5. f3. f2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the no-voltage release in a DC motor starter fails to operate on failure of supply, on resumption of supply the motor will not start automatically. get damaged. start automatically without trouble. develop very low starting torque. not start automatically. get damaged. start automatically without trouble. develop very low starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, lap winding is used in high current and low voltage applications. high voltage and low current applications. where greater load is connected. where constant speed is required. high current and low voltage applications. high voltage and low current applications. where greater load is connected. where constant speed is required. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ventilating ducts in most of DC machine are radial as well as longitudinal. longitudinal. radial. none of these. radial as well as longitudinal. longitudinal. radial. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant voltage control constant power control constant current control constant torque control constant voltage control constant power control constant current control constant torque control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an induction machine is run at above the synchronous speed it acts as a synchronous motor an induction generator None of these an induction motor a synchronous motor an induction generator None of these an induction motor ANSWER DOWNLOAD EXAMIANS APP