Electrical Engineering MCQs

Page No. 225

Power factor of an inductive circuit is usually improved by connecting capacitor to it in____________?


aparallel


bseries


c either A. or (b)


d none of the above


View Answer parallel

All the rules and laws of D.C. circuit also apply to A.C. circuit containing_____________?


a capacitance only


binductance only


cresistance only


dall above


View Answer resistance only

The best place to install a capacitor is___________?


avery near to inductive load


bacross the terminals of the inductive load


cfar away from the inductive load


dany where



Power factor of an electrical circuit is equal to____________?


aR/Z


bcosine of phase angle difference be-tween current and voltage


ckW/kVA


dall of these


View Answer all of these

In a series resonant circuit, the impedance of the circuit is___________?


aminimum


bmaximum


c zero


dnone of the above


View Answer minimum

The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that


a both waves must have same frequency


bboth waves must have identical peak values


cboth waves must have zero value at the same time


dnone of the above



For the same peak value which of the following wave will ‘have the highest r.m.s. value?


asquare wave


b half wave rectified sine wave


c triangular wave


dsine wave


View Answer square wave

The peak value of a sine wave is 200 V. Its average value is___________?


a127.4 V


b 141.4 V


c282.8 V


d 200V


View Answer 141.4 V

The period of a sine wave is _____ seconds. Its frequency is


a 20 Hz


b 30 Hz


c40 Hz


d50 Hz


View Answer 50 Hz

The knowledge of diversity factor helps in determining__________?


aplant capacity


baverage load


cpeak load


d kWh generated


View Answer plant capacity

Goto Page No.

Page 225 of 366

Alphabetical MCQs Categories

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan