Chemical Engineering MCQs

Page No. 736

Pure rectified spirit contains about _________________ percent alcohol?


a45


b70


c95


d99.5


View Answer 95

White phosphorous is stored under water, because __________________?


aIt does not react with water


bIt is poisonous


cIts kindling temperature in dry air is very low


dIt is unstable



Paper pulp produced by Kraft/sulphate process is__________________ ?


aBleached easily


bDull white in color


cStrong fibrous


dDark colored


View Answer Strong fibrous

Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at _____________ °C ?


a15-30


b90-100


c250-300


d< 0


View Answer 15-30

Oxidation of SO2 to SO3 is favoured by______________________?


aLow temperature and low pressure


bLow temperature and high pressure


cHigh temperature and low pressure


dHigh temperature and high pressure



Which of the following contains least amount of N2 ?


aCoke oven gas


bBlast furnace gas


cProducer gas


dWater gas (blue gas)


View Answer Coke oven gas

Which of the following is not responsible for causing permanent hardness of water ?


aCa(HCO3)2


bCaCl2


cMgCl2


dNone of these


View Answer Ca(HCO3)2

Which is the main reducing agent during production of iron from iron ore in a blast furnace ?


aC


bCO


cCO2


dH2


View Answer CO

____________ are used as corrosion inhibitor for iron & steel in aqueous solutions ?


aPhosphates


bChromates


cSulphates


dBi-carbonates


View Answer Chromates

Fusion of bauxite and ________________ produces high alumina cement?


aAlum


bLimestone


cCoke


dQuartz


View Answer Limestone

Goto Page No.

Page 736 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