Chemical Engineering MCQs

Page No. 719

Cement mainly contains_________________?


aCaO, SiO2, Al2O3

✓


bMgO, SiO2, K2O

✖


cAl2O3, MgO, Fe2O3

✖


dCaO, MgO, K2O

✖


View Answer CaO, SiO2, Al2O3

Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is ______________ °C?


a25

✖


b60-70

✓


c150-200

✖


d250-300

✖


View Answer 60-70

Function of sodium thiosulphate (hypo) in development of photographic film/plate is to______________?


aBrighten the faint images

✖


bRemove metallic silver

✖


cConvert silver chloride to silver

✖


dRemove unexposed silver halide

✓



Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and___________________?


aSulphuric acid

✓


bPhosphoric acid

✖


cHydrochloric acid

✖


dHydrofluoric acid

✖


View Answer Sulphuric acid

Neoprene is chemically known as___________________?


aPolybutadiene

✖


bStyrene butadiene rubber (SBR)

✖


cPolyurethane

✖


dPolychlorophrene

✓


View Answer Polychlorophrene

Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of_________________?


aCarbon

✖


bArsenic

✓


cLead

✖


dSulphur

✖


View Answer Arsenic

Fermentator temperature during production of alcohol from molasses is around ______________ °C?


a5

✖


b30

✓


c130

✖


d300

✖


View Answer 30

Which of the following processes does not produce Cl2 as a co-product during the manufacture of caustic soda ?


aDiaphragm electrolytic cell process

✖


bMercury electrolytic cell process

✖


cLime-soda process

✓


dNone of these

✖


View Answer Lime-soda process

Raw materials used for producing ________________ cement does not contain iron oxide?


aWaterproof

✖


bSlag

✖


cWhite

✓


dPozzolan

✖


View Answer White

Cooking liquor in case of sulphite process is _____________________?


aSodium sulphite and sodium bisulphite

✓


bMagnesium sulphite and free SO2 in acid medium

✖


cMagnesium sulphate and magnesium bicarbonate

✖


dNone of these

✖



Goto Page No.

Page 719 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