Chemical Engineering MCQs

Page No. 637

Diffusion in concentrated solutions differs from that in dilute solutions, because of the change in the _______________ with the concentration of the solution?


aDegree of ideality

✖


bViscosity

✖


cBoth A & B

✓


dNeither A nor B

✖


View Answer Both A & B

At minimum reflux ratio for a given separation__________________?


aNumber of plates is zero

✖


bNumber of plates is infinity

✓


cMinimum number of the theoretical plates is required

✖


dSeparation is most efficient

✖



In the desorption of highly soluble gas from the liquid, the main resistance will be in the ______________ phase?


aGas

✖


bLiquid

✓


cBoth A. & B.

✖


dNeither A. nor B.

✖


View Answer Liquid

Which of the following is the most suitable for extraction in a system having very low density difference ?


aMixer-settler extractor

✖


bCentrifugal extractor

✓


cPulsed extractor

✖


dPacked extraction tower

✖


View Answer Centrifugal extractor

What is the reflux ratio at total reflux ?


aZero

✖


bInfinity

✓


cInfinity

✖


dData insufficient

✖


View Answer Infinity

In case of gases, the binary diffusivity is proportional to (where, P = pressure) ?


aP

✖


b1/P

✓


c1/√P

✖


d√P

✖


View Answer 1/P

Air at a particular humidity is heated in a furnace. The new dew point_____________________?


aDecreases

✖


bIncreases

✓


cDepends on the extent of heating

✖


dRemain unchanged

✖


View Answer Increases

Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent ______________________?


aA pure component

✖


bA binary mixture

✓


cA ternary mixture

✖


dPartially miscible ternary system

✖


View Answer A binary mixture

Which of the following unit operations makes use of Thiele-Geddes equation ?


aLiquid-liquid extraction

✖


bSolid-liquid extraction

✖


cMulti-component absorption with chemical reaction

✖


dMulti-component distillation

✓



The-relative volatility for separation of a non-ideal binary mixture by distillation should be ___________________?


a0

✖


b1

✖


c> 1

✓


d< 1

✖


View Answer > 1

Goto Page No.

Page 637 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