DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? None of these Field copper loss Windage loss Armature copper loss None of these Field copper loss Windage loss Armature copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Copper loss Windage loss Friction loss Core loss Copper loss Windage loss Friction loss Core loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The gross power The power drawn in kVA The power drawn in kW The output power available at the shaft The gross power The power drawn in kVA The power drawn in kW The output power available at the shaft ANSWER DOWNLOAD EXAMIANS APP
DC Motors The main disadvantage of the Ward-Leonard control method is All of these High maintenance cost Low efficiency at high loads High initial cost All of these High maintenance cost Low efficiency at high loads High initial cost ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Windage losses Eddy current losses Hysteresis losses Copper losses Windage losses Eddy current losses Hysteresis losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Preventing fuse blowing Avoiding excessive starting current Starting the motor Accelerating the motor Preventing fuse blowing Avoiding excessive starting current Starting the motor Accelerating the motor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS