Chemical Engineering MCQs

Page No. 603

With increase in drum speed, in a rotary drum filter, the filtration rate_______________?


aIncreases


bIncreases linearly


cIncreases linearly


dIs not affected


View Answer Increases

Gravity settling process is not involved in the working of a________________?


aHydrocyclone


bClassifier


cDorr-thickener


dSedimentation tank


View Answer Hydrocyclone

Ball mills and tube mills with flint or porcelain balls are used for size reduction of_______________?


aAsbestos


bRubber


cNon-metallic ores


dLimestone


View Answer Non-metallic ores

Grinding characteristic of a material is given by its___________________?


aHGI


bAngle of repose


cShatter index


dAbrasion index


View Answer HGI

Which of the following is not categorised as a “mechanical operation”?


aAgitation


bFiltration


cSize enlargement


dHumidification


View Answer Humidification

For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately _____________ microns?


a5


b50


c500


d5000


View Answer 500

Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of ____________ mm?


a0.007


b0.30


c50


d0.014


View Answer 0.30

____________ mills fall in the category of tumbling mills ?


aBall and pebble


bRod and tube


cCompartment


dAll A., B. & C.


View Answer All A., B. & C.

____________ conveyor is the most suitable for long distance transportation of cold, nonabrasive granular/irregular shape/fine materials?


aBucket


bBelt


cScrew


dApron


View Answer Belt

A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is_________________?


a0.50


b0.58


c0.68


d0.62


View Answer 0.50

Goto Page No.

Page 603 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