Electrical Machines A slip ring Induction motor runs at 290 rpm at full load, when connected to 50 Hz supply. Determine the number of poles and slip. P = 40, s = 5.79 %. P = 60, s = 0.96 %. P = 20, s = 3.33 %. P = 50, s = 4.43 %. P = 40, s = 5.79 %. P = 60, s = 0.96 %. P = 20, s = 3.33 %. P = 50, s = 4.43 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At the instant of starting, the per unit slip of 3 - Φ induction motor is 1.0. 0.1. 0.5. 0.05. 1.0. 0.1. 0.5. 0.05. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called slip. crawling. skewing. cogging. slip. crawling. skewing. cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is -0.08 -1.92 0.08 1.92 -0.08 -1.92 0.08 1.92 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 30. 270. 45. 180. 30. 270. 45. 180. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To avoid formation of grooves in the commutator brush position has no effect on the commutator grooving. the brushes of opposite polarity should track each other. the brushes of same polarity should track each other. None of these brush position has no effect on the commutator grooving. the brushes of opposite polarity should track each other. the brushes of same polarity should track each other. None of these ANSWER DOWNLOAD EXAMIANS APP
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