Electrical Machines Motors for fans and pumps are selected in the rpm range 500 to 720. 1440 to 2880. 720 to 920. 375 to 500. 500 to 720. 1440 to 2880. 720 to 920. 375 to 500. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor fitted with ceiling / table fans is of the value of 5 - 10 F. 1 - 2 µF. 0.1 µF. 2 - 3 µF. 5 - 10 F. 1 - 2 µF. 0.1 µF. 2 - 3 µF. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High starting torque and low starting current is the advantage of slip ring induction motor. hysteresis motor. squirrel cage induction motor. stepper motor. slip ring induction motor. hysteresis motor. squirrel cage induction motor. stepper motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is 230 V 460 V 115 V 200 V 230 V 460 V 115 V 200 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of tappings for each equalizer ring is equal to number of parallel paths. number of commutator segments. number of pole pairs. number of poles. number of parallel paths. number of commutator segments. number of pole pairs. number of poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under commutation results in sparking at the middle of the brush. sparking at the leading edge of the brush. sparking the trailing edge of the brush. no sparking. sparking at the middle of the brush. sparking at the leading edge of the brush. sparking the trailing edge of the brush. no sparking. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS