Electrical Engineering MCQs

Page No. 313

Overhead lines generally use__________________?


acopper conductors

✖


ball aluminium conductors

✖


c A.C.S.R. conductors

✓


dnone of these

✖



The power factor of industrial loads is generally______________?


aunity

✖


blagging

✓


cleading

✖


dzero

✖


View Answer lagging

The loads on distributors systems are generally__________________?


abalanced

✖


bunbalanced

✓


ceither of the above

✖


dnone of the above

✖


View Answer unbalanced

The material commonly used for insulation in high voltage cables is_______________?


alead and zinc

✖


bpaper

✓


crubber

✖


dnone of the above

✖


View Answer paper

Multicore cables generally use________________?


asquare conductors

✖


bsquare conductors

✖


crectangular conductors

✖


dsector-shaped conductors

✓



High voltage transmission lines use__________________?


a suspension insulators

✓


bpin insulators

✖


cboth A. and B.

✖


dnone of the above

✖



The distributors for residential areas are______________?


a single phase

✖


b three-phase three wire

✖


cthree-phase four wire

✓


dnone of the above

✖


View Answer three-phase four wire

Most of the high transmission lines in Pakistan are_______________?


aunderground

✖


boverhead

✓


ceither of the above

✖


dnone of the above

✖


View Answer overhead

The voltage of the single phase supply to residential consumers is_____________?


a110 V

✖


b 210 V

✖


c230 V

✓


d 400 V

✖


View Answer 230 V

Besides a method of trial and error, which of the following methods is employed for solution of network problems in interconnected system ?


aCirculating current method

✖


bThevenin’s theorem

✖


cSuperposition of currents

✖


d All of the above

✓


View Answer All of the above

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