Electrical Machines When maximum starting torque is obtained, rotor power is ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The compensating winding in a DC machine is located in armature slots for compensation of the armature reaction. is located on pole shoes to avoid the sparking at the brushes. is located on commutating poles for improving commutation. is located on pole shoes for avoiding the flashover at the commutator. is located in armature slots for compensation of the armature reaction. is located on pole shoes to avoid the sparking at the brushes. is located on commutating poles for improving commutation. is located on pole shoes for avoiding the flashover at the commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Exciting current of an induction motor is none of these. equal as power transformer. higher than power transformer. lesser than power transformer. none of these. equal as power transformer. higher than power transformer. lesser than power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of tappings for each equalizer ring is equal to number of commutator segments. number of poles. number of parallel paths. number of pole pairs. number of commutator segments. number of poles. number of parallel paths. number of pole pairs. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wattage rating of a ceiling fan motor will be 200 - 250 W. 10 - 20 W. 250 - 500 W. 50 - 150 W. 200 - 250 W. 10 - 20 W. 250 - 500 W. 50 - 150 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ induction motor draws an current of 50 A from mains when starts by direct switching. If an auto transformer with 60 % tapping is used for starting the current drawn from the mains will be 36. 50. 18. 80. 36. 50. 18. 80. ANSWER DOWNLOAD EXAMIANS APP