Chemical Engineering MCQs

Page No. 842

Lap joints are preferred over butt joints in soldering/brazing, because these joints are _________________?


aWeaker in tension but stronger in shear

✖


bWeaker in shear but stronger in tension

✖


cStronger in both shear and tension

✖


dThe lap joints are easily made

✓



Water flow in the river during flood can be categorized as the _________________ flow ?


aUnsteady uniform

✖


bUnsteady non-uniform

✓


cSteady uniform

✖


dSteady non-uniform

✖


View Answer Unsteady non-uniform

Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils ?


aElaiden test

✓


bReichert-Meissl value test

✖


cHunter value test

✖


dIodine value test

✖


View Answer Elaiden test

Laser welding is widely employed in the __________________ industries ?


aElectronic

✓


bStructural

✖


cProcess

✖


dHeavy

✖


View Answer Electronic

Joining of thin foils is preferred to be done by _____________________?


aGamma rays

✖


bX-rays

✖


cMicrowaves

✓


dGas welding

✖


View Answer Microwaves

About _________________ ton of coke is required in a cupola to produce one ton of casting ?


a0.03

✖


b0.3

✓


c0.8

✖


d1.5

✖


View Answer 0.3

Satellites burn off during re-entry to earth’s atmosphere, because of the ____________________?


aCombustion with air

✖


bGravitational pull by earth

✖


cFriction with earth’s atmosphere

✓


dLoss in weight of the satellite

✖



Filler material used in welding should have _________________ as compared to the parent metal to be welded ?


aLower melting temperature

✖


bSame melting temperature

✖


cSame composition

✖


dBoth ‘B’ & ‘C’

✓



The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process ?


aCyaniding

✓


bSherardizing

✖


cSpheroidising

✖


dNone of these

✖


View Answer Cyaniding

With increase in temperature, the electrical conductivity of semiconductors_____________________?


aIncreases

✓


bDecreases

✖


cRemain constant

✖


dEither A. or B. depends on the type of semi-conductor

✖


View Answer Increases

Goto Page No.

Page 842 of 843

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