Electrical Machines Equalizer rings are used in which of the followings? both 1 and 2 None of these wave winding lap winding both 1 and 2 None of these wave winding lap winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? Closed slots. Open slots. None of above. Semi closed slots. Closed slots. Open slots. None of above. Semi closed slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing of DC generator means increasing flux density by providing extra ampere-turns in field. creation of residual magnetism by a DC source. None of these neutralization of residual magnetism. increasing flux density by providing extra ampere-turns in field. creation of residual magnetism by a DC source. None of these neutralization of residual magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 phase stepper motor has 6 stator poles and 4 rotor poles, then find the step angle? 10° 30° 45° 60° 10° 30° 45° 60° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the frequency of a alternator, if P = number of poles and N = revolution made per second? 120P / N Hz. PN / 2 Hz. 120N / P Hz. 120 / PN Hz. 120P / N Hz. PN / 2 Hz. 120N / P Hz. 120 / PN Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC cumulatively compounded motor delivers rated load torque at rated speed. If the series field is short-circuited, then the armature current and speed will increase and decrease respectively decrease and increase respectively both decrease both increase increase and decrease respectively decrease and increase respectively both decrease both increase ANSWER DOWNLOAD EXAMIANS APP
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