013: Choose the correct answer:1. In a symmetrical three phase system the total instantaneous three phase power is:a. Pulsating sinusoidally with frequency o.b. Pulsating sinusoidally with frequency 30.c. Constant.2. It is impossible to obtain analytical solutions for the power flow equations,because:a. The number of equations is large.b. The equations are nonlinear.c. The number of unknown variables in the equations is large.3. Stability requirements limit the power-handling capability of:a. Long lines.b. Short lines.c. Medium4. Bundling of conductors in a transmission line reduces the risk for corona. Also,it:a. Reduces the sag of the line.b. Increases the resistance of the line.c. Increases the transmission capacity.5. A 50 Hz, turbo generator supplying 40% of its maximum power capability to 0.8pu load. The operating power (torque) angle 8° is:a. 6°=36 elec. deg.b. 8°= 23.57 elec. deg.c. 8°-40 elec. deg.

013: Choose the correct answer: 1. In a symmetrical three phase system the total instantaneous three phase power is: a. Pulsating sinusoidally with frequency o. b. Pulsating sinusoidally with frequency 30. c. Constant.

013: Choose the correct answer: 1. In a symmetrical three phase system the total instantaneous three phase power is: a. Pulsating sinusoidally with frequency o. b. Pulsating sinusoidally with frequency 30. c. Constant.

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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