14) the difference between internal generated voltage and output voltage in synchronous generatorcaused by:A. armature reactionB. The self-inductance of the armature coilsC. The resistance of the armature coilsD. The effect of salient-pole rotor shapesE. All above15) A 6-pole, 50-Hz, 3-9 induction motor is running at 950 rpm and has rotor Cu loss of 5 kW. Itsrotor input is ..kW.А. 100В. 10С. 10000D. 95E. 95011) A centrifugal switch is used to dis- connect 'starting winding when motor has:A. run for about 1 minuteB. run for about 5 minutesC. picked up about 50 to 70 per cent of rated speedD. picked up about 10 to 25 per cent of rated speedE. picked up about 0 to 10 per cent of rated speed12)If starting winding of a single-phase induction motor is left in the circuit, it will:A. run fasterB. spark at light loadsC. draw excessive current and overheatD. run slowerE. spark at rated loads13)The capacitors used in single-phase capacitor motors have no:A. voltage ratingB. dielectric mediumC. polarity markingD. definite valueE. All above

As per guidelines given to us,we can only provide the solution of first question in multiple type of…

14) the difference between internal generated voltage and output voltage in synchronous generator caused by: A. armature reaction B. The self-inductance of the armature coils C. The resistance of the armature coils D. The effect of salient-pole rotor shapes E. All above 15) A 6-pole, 50-Hz, 3-p induction motor is running at 950 rpm and has rotor Cu loss of 5 kW. Its rotor input is ..kW. А. 100 В. 10 С. 10000 D. 95 E. 950

14) the difference between internal generated voltage and output voltage in synchronous generator caused by: A. armature reaction B. The self-inductance of the armature coils C. The resistance of the armature coils D. The effect of salient-pole rotor shapes E. All above 15) A 6-pole, 50-Hz, 3-p induction motor is running at 950 rpm and has rotor Cu loss of 5 kW. Its rotor input is ..kW. А. 100 В. 10 С. 10000 D. 95 E. 950

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter35: Harmonics 916

Section: Chapter Questions

Problem 3RQ: Would a positive-rotating harmonic or a negative-rotating harmonic be more harmful to an induction...

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