Electrical Engineering MCQs

Page No. 66

A power factor meter has________________?


aone current circuit and two pressure circuits

✓


b one current circuit and one pressure circuit

✖


ctwo current circuits and one pres¬sure circuit

✖


dnone of the above

✖



To avoid the effect of stray magnetic field in A.C. bridges we can use_______________?


a magnetic screening

✓


bWagner earthing device

✖


cwave filters

✖


d any of the above

✖


View Answer magnetic screening

For measurement of mutual inductance we can use________________?


a Anderson bridge

✖


bMaxwell’s bridge

✖


cHeaviside bridge

✓


dAny of the above

✖


View Answer Heaviside bridge

In an AC. co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be_____________?


aout of phase by 90°

✓


b out of phase by 60°

✖


cout of phase by 30°

✖


d out of phase by 0°

✖


View Answer out of phase by 90°

Wagner earthing device is used to eliminate errors due to________________?


aelectrostatic coupling

✓


belectromagnetic coupling

✖


cboth A. and B.

✖


dnone of the above

✖



For measurement of inductance having high value, we should use______________?


aMaxwell’s bridge

✖


bMaxwell Wein bridge

✖


cHay’s bridge

✓


d Any of the above

✖


View Answer Hay’s bridge

A universal RLC bridge uses_________________?


aMaxwell bridge configuration for measurement of inductance and De Santas bridge for measurement of capacitance

✖


bMaxwell Wein bridge for measurement of inductance and modified De Santy’s bridge for measurement of capacitance

✓


cMaxwell Wein bridge for measurement of inductance and Wein bridge for measurement of capacitance

✖


dAny of the above

✖



In a 3-phase power measurement by two wattmeter method the reading of one of the wattmeter was zero. The power factor of the load must be_______________?


aunity

✖


b0.5

✓


c0.3

✖


dzero

✖


View Answer 0.5

To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken_______________?


afrom a source which is not the same as the unknown voltage

✖


b from a battery

✖


cfrom the same source as the unknown voltage

✓


dany of the above

✖



A phase shifting transformer is used in conjunction with_______________?


a D.C. potentiometer

✖


bDrysdale potentiometer

✓


cA.C. co-ordinate potentiometer

✖


dCrompton potentiometer

✖



Goto Page No.

Page 66 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