Electrical Engineering MCQs

Page No. 106

Which of the following materials does not have covalent bonds ?


aOrganic polymers

✖


bSilicon

✖


c Metals

✓


dNone of them

✖


View Answer Metals

Super conductivity can be destroyed by_____________?


aadding impurities

✖


breducing temperatures

✖


capplication of magnetic field

✓


d any of the above

✖



Which of the following affect greatly the resistivity of electrical conductors ?


aComposition

✓


b Pressure

✖


c. Size

✖


dTemperature

✖


View Answer Composition

__________ is a hard solder?


aTin-lead

✖


bTin-silver-lead

✖


c Copper-zinc

✓


dNone of the above

✖


View Answer Copper-zinc

Most of the common metals have _________ structure?


a linear

✖


bhexagonal

✖


corthorhombic

✖


dcubic

✓


View Answer cubic

Addition of 0.3 to 4.5% silicon to iron ________ the electrical resistivity of iron?


aincreases

✓


bdecreases

✖


cdoes not change

✖


d None of the above

✖


View Answer increases

Thermonic emission occurs in______________?


a vacuum tubes

✓


b copper conductors

✖


cferrite cores

✖


dtransistors

✖


View Answer vacuum tubes

A good electric contact material should have all of the following properties except_____________?


ahigh resistivity

✓


bhigh resistance to corrosion

✖


cgood thermal conductivity

✖


dhigh melting point

✖


View Answer high resistivity

_________ is an example of piezoelectric material?


a Glass

✖


bQuartz

✓


cCorrundum

✖


dNeoprene

✖


View Answer Quartz

Piezoelectric materials serve as a source of ____________ ?


aresonant waves

✖


bmusical waves

✖


cmicrowaves

✖


dultrasonic waves

✓


View Answer ultrasonic waves

Goto Page No.

Page 106 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