Chemical Engineering MCQs

Page No. 629

Physical absorption is__________________?


aAn irreversible phenomenon


bA reversible phenomenon


cAccompanied by evolution of heat


dBoth B. and C.


View Answer Both B. and C.

Ion exchange process is similar to___________________?


aAbsorption


bAdsorption


cExtraction


dLeaching


View Answer Adsorption

Only small amount of evaporation of water produces large cooling effects because of its___________________?


aLarge latent heat


bLow viscosity


cSmall latent heat


dNone of these


View Answer Large latent heat

As the reflux ratio decreases, the_________________?


aSeparation becomes more efficient


bNumber of plates increases


cColumn diameter increases


dNone of these



With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) ?


aIncreases


bRemains unchanged


cDecreases


dDecreases linearly


View Answer Increases

Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the________________?


aLatent heat


bHumid heat


cSpecific heat


dSensible heat


View Answer Specific heat

For which of the following unit operations, Lewis number is of significance ?


aAdsorption


bBinary distillation


cGas absorption


dHumidification


View Answer Humidification

The minimum number of theoretical plates is required for achieving a given separation in distillation column with_________________?


aNo reflux


bTotal reflux


cZero reflux ratio


dMinimum reflux ratio


View Answer Total reflux

The drying time between fixed moisture contents within the ‘constant rate period’ is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid) ?


a√T


bT


cT1.5


dT3


View Answer T

Sticky material can be dried in a ________________ dryer ?


aTray


bRotary


cFluidised bed


dNone of these


View Answer Tray

Goto Page No.

Page 629 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