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.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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