Electrical Machines In most condition which frame of motor will be preferred? Totally enclosed fan coiled. Splash proof. Open type. Drip proof. Totally enclosed fan coiled. Splash proof. Open type. Drip proof. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of tappings for each equalizer ring is equal to number of poles. 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. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? pole stacking All of these pole chamfering compensating winding pole stacking All of these pole chamfering compensating winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following speed control of DC motor the speed obtained is below than the rated speed? Armature circuit resistance control. Any of above. Armature voltage control. Field resistance control. Armature circuit resistance control. Any of above. Armature voltage control. Field resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For P pole machine relation between electrical degrees and mechanical degrees is θelec = 2/P*θmech θelec = 4/P*θmech θelec = θmech θelec = P/2*θmech θelec = 2/P*θmech θelec = 4/P*θmech θelec = θmech θelec = P/2*θmech ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lap winding is prefered for which type of machines? high current and low voltage low current and low voltage high current and high voltage low current and high voltage high current and low voltage low current and low voltage high current and high voltage low current and high voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS