Chemical Engineering MCQs

Page No. 546

When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is__________________?


a> 1


b< 1


c1


d0


View Answer 1

A reaction in which one of the products of reaction acts as a catalyst is called a/an ______________ reaction?


aCatalytic


bAutocatalytic


cPhotochemical


dNone of these


View Answer Autocatalytic

Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature ?


aTime


bUseful volume of the tank


cDiameter of the reactor


dNone of these


View Answer Time

When all the limiting reactant is consumed in the reaction, the operational yield _______________ the relative yield?


aIs greater than


bIs smaller than


cEquals


dCan be either greater or smaller than (depends on the type of reaction)


View Answer Equals

In flow reactors, the performance equations interrelate the rate of reaction to the___________________?


aFeed rate


bReactor volume


cExtent of reaction


dAll A., B. and C.


View Answer All A., B. and C.

In an ideal tubular-flow reactor_________________?


aThere is no mixing in longitudinal direction


bMixing takes place in radial direction


cThere is a uniform velocity across the radius


dAll A., B. and C.


View Answer All A., B. and C.

In a/an ______________ reactor, there is exchange of heat with the surroundings with sizeable temperature variation?


aAdiabatic


bIsothermal


cNon-adiabatic


dNone of these


View Answer Non-adiabatic

When a catalyst increases the rate of forward reaction, the value of rate constant__________________?


aIncreases


bDecreases


cRemain same


dBecomes infinite


View Answer Increases

For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a _________________ reactor?


aStirred tank


bTubular flow


cBatch


dFixed bed


View Answer Stirred tank

A high space velocity means that a given__________________?


aReaction can be accomplished with small reactor


bConversion can be obtained with a high feed rate


cBoth A. and B.


dNone of these


View Answer Both A. and B.

Goto Page No.

Page 546 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