Electrical Machines Which of the following motors are suitable for computer printer drive ? Reluctance motor. Hysteresis motor. Shaded pole motor. Stepper motor. Reluctance motor. Hysteresis motor. Shaded pole motor. Stepper motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant power control constant current control constant torque control constant voltage control constant power control constant current control constant torque control constant voltage control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm. Find the rotor efficiency? 94% 95% 92% 96% 94% 95% 92% 96% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of bearing is provided in small induction motors to support the rotor shaft? Cast iron bearings. None of these Ball bearings. Bush bearings. Cast iron bearings. None of these Ball bearings. Bush bearings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a line to line fault. 3 - phase fault. 3 - phase to ground fault. line to ground fault. line to line fault. 3 - phase fault. 3 - phase to ground fault. line to ground fault. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 700 W 600 W 650 W 625 W 700 W 600 W 650 W 625 W ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS