Chemical Engineering MCQs

Page No. 59

Which of the following is not a source of ozone emission in the atmosphere?


aRefrigerators


b Xerox machines


cDermatological photo-therapy equipments


d High voltage electrical equipments


View Answer Refrigerators

Photochemical smog is formed from automobile exhaust ________________?


aBy reaction of hydrocarbon & nitric oxide in presence of sunlight


bAppears only on sunny days


c Is harmful for crops and trees also besides causing eye irritation & asthma


dAll A., B. & C.


View Answer All A., B. & C.

Inhalation of silica dust by human being causes ___________________?


aAsphyxiation


bShortness of breath


cTuberculosis


dBoth B. & C.


View Answer Both B. & C.

The lowest layer of atmosphere is known as the_____________________?


aStratosphere


bTroposphere


cIonosphere


dNone of these


View Answer Troposphere

The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant ?


aChlorine


bAlkalis


cBenzene hexachloride


dAlkyl benzene sulphonate (ABS)


View Answer Chlorine

Carcinogenic air pollutants cause__________________?


aBone decay


bCancer


cAsphyxiation (suffocation)


dAnemia


View Answer Cancer

The resistance of water to the passage of light through it is a measure of the___________________?


aTurbidity


bColor


cHardness


d Dissolved gases


View Answer Turbidity

Polyvinyl chloride containers are not suitable for storing_________________?


aFoodstuffs


b Woolen clothes


cMetallic powder


dNone of these


View Answer Foodstuffs

The earth’s atmosphere is an envelope of gases present upto a height of about ______________ kms?


a10


b 200


c1000


d2000


View Answer 200

Which of the following processes is involved in the biochemical treatment of sewage effluents ?


aOxidation


b Reduction


cDehydration


dFermentation


View Answer Oxidation

Goto Page No.

Page 59 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