Chemical Engineering MCQs

Page No. 835

Leakage in a cooking gas cylinder is detected by___________________?


aRadio-isotopes


bPouring soap solution on the surface and locating the gas bubbles


cHalide torch


dPungent smell of mercaptans present in the gas



Which of the following is not a characteristic observed in material failure by fatigue fracture ?


aPlastic deformation of material does not occur


bInitiation of crack from below the surface does not occur


cInitiation of crack occurs on the surface of the machine part


dPresence of both rough & smooth zone with conchoidal markings in smooth zone of the



The bolt is subjected to _______________ when the nut is tightened by putting the washer beneath it?


aTension


bShear


cCompression


dBending & tension


View Answer Tension

The joint for soldering is supported by binding wire made of ____________________?


aMild steel


bCopper


cSoft iron


dStainless steel


View Answer Soft iron

Tesla metre per ampere (T. m/A) is the unit for the measurement of_______________?


aMagnetic susceptibility


bMagnetic moment


cPermeability of free space


dFlux density



Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial pressure of B is 10-3 atm and the partial pressure of AB is 1 atm, the equilibrium constant ‘K’ is____________________?


a10 atm-1


b105 atm-1


c10 (dimensionless)


d105 (dimensionless)


View Answer 105 atm-1

Eutectic reaction for iron-carbon system occurs at a temperature of _______________ °C ?


a723


b959


c1147


d1493


View Answer 723

Minimum thermal efficiency of a steam boiler may be around ____________________ percent ?


a25


b45


c65


d20


View Answer 20

Corona discharge is related to the operation of a/an_______________________?


aInduction motor


bElectrostatic precipitator


cFast breeder reactor


dMagneto hydrodynamic generator (MHD)



Silicon crystal can be converted to p-type semi-conductor by doping with__________________?


aPhosphorous


bNitrogen


cCarbon


dBoron


View Answer Boron

Goto Page No.

Page 835 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