I need answer quickly please 04: Choose the correct answer for SIX of the following1- Power taken by the prime mover of an alternator in case of no-loadgoes toa. Produce power in the armatureb. Cu losses both in armature and rotor windings.c. Produce induced e.m.f. in armature windingd. No-load lossese. Full-load losses2- If the load power factor of a generator becomes more leading, the valueof generated voltage required to give rated terminal voltage.a. Become lessb. Become twicec. Increasesd. Remains unchangede. Varies with rotor speed.3- To run two a.c. alternators in parallel, they must have the samea. No. of polesb.Speedc. Voltage ratingd. kVA ratinge. Excitation.4- The effect of increasing load on a synchronous motor running withnormal excitation is toa. Increase both its Ia and p.f.b. Increase Ia but decrease p.f.c. Decrease both Ia and p.f.d. Decrease Ia but increase p.f.e. None of above5- An instrument is used for lowering the value of voltage for measuringand protection isa. Circuit breakerb. Protection relayc. Isolatord. Current transformere. Potential transformerare the protective devices used for protection of equipmentfrom lightning strokesa. Isolatorsb. Lighting arrestorsc. Busbarsd. Fusese. Wave trap7- The range of voltages between 1KV to 35kV is classified as:a. Low voltageb. Medium voltagec. High voltaged. Extra high voltagee. Ultra high voltage6-

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1- Power taken by the prime mover of an alternator in case of no-load goes to a. Produce power in the armature b. Cu losses both in armature and rotor windings. c. Produce induced e.m.f. in armature winding d. No-load losses e. Full-load losses 2- If the load power factor of a generator becomes more leading, the value of generated voltage required to give rated terminal voltage. a. Become less b. Become twice c. Increases d. Remains unchanged e. Varies with rotor speed. 3- To run two a.c. alternators in parallel, they must have the same a. No. of poles b. Speed c. Voltage rating d. kVA rating e. Excitation.

1- Power taken by the prime mover of an alternator in case of no-load goes to a. Produce power in the armature b. Cu losses both in armature and rotor windings. c. Produce induced e.m.f. in armature winding d. No-load losses e. Full-load losses 2- If the load power factor of a generator becomes more leading, the value of generated voltage required to give rated terminal voltage. a. Become less b. Become twice c. Increases d. Remains unchanged e. Varies with rotor speed. 3- To run two a.c. alternators in parallel, they must have the same a. No. of poles b. Speed c. Voltage rating d. kVA rating e. Excitation.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter11: Transient Stability

Section: Chapter Questions

Problem 11.3P

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