Chemical Engineering MCQs

Page No. 678

Leaching of uranium ore and gold ore is done in________________________?


aCentrifugal extractor


bPachuca tanks


cBollman extractor


dNone of these


View Answer Pachuca tanks

In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is__________________?


aEqual to the heat of formation of surface compound


bEqual to the heat of wetting


cZero


dCalled integral heat of adsorption



Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of _______________ humidity?


aMolal


bRelative


cPercentage


dNone of these


View Answer Molal

Powdery materials can be guarded against caking tendency on storage by_________________?


aProviding irregular grain size


bProviding minimum percentage of voids


cHaving maximum possible points of contact


dNone of these


View Answer None of these

The minimum liquid rate to be used in an absorber corresponds to an operating line_______________________?


aOf slope = 1


bOf slope = 0.1


cTangential to the equilibrium curve


dNone of these



Separation of two volatile liquids by distillation makes use of their________________________?


aSelectivity


bRelative volatility


cSolubility


dDensity difference


View Answer Relative volatility

The critical moisture content in case of drying indicates the _______________ rate period?


aBeginning of falling


bBeginning of constant


cEnd of falling


dNone of these


View Answer Beginning of falling

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


a√T


bT


cT2


dT3


View Answer T2

The dew point of an unsaturated gas-vapor mixture does not depend upon the ____________________ of the mixture?


aComposition


bTemperature


cTotal pressure


dAll A., B. and C.


View Answer Temperature

The slope of 9-line is determined by the______________________?


aReflux ratio


bPlate efficiency to be achieved


cThermal condition of the feed


dRelative volatility



Goto Page No.

Page 678 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