Chemical Engineering MCQs

Page No. 579

Bulk diffusion in catalyst pore _______________ with increase in pressure?


aIncreases


bDecreases


cRemains unchanged


dIncreases exponentially


View Answer Decreases

Autocatalytic reactions are best carried out in a_________________?


aCSTR


bCSTR in series


cPlug flow reactor


dRecycle reactor


View Answer Recycle reactor

Cold shot cooling is only practical when the feed temperature is ______________ than the reaction temperature?


aHigher


bMuch higher


cLower


dMuch lower


View Answer Much lower

The rate constant of a reaction is a function of the ___________________?


aTime of reaction


bTemperature of the system


cExtent of reaction


dInitial concentration of the reactants



The vessel dispersion number (D/μL) for plug flow is_________________?


a0


b500


c750


d


View Answer 0

A catalyst promoter_________________?


aImproves the activity of a catalyst


bActs as a catalyst support


cItself has very high activity


dAll A., B. and C.



For a homogeneous reaction of nth order, the dimension of the rate constant is given by_________________?


a1/(time)n


b(Concentration)1 – n/(time)


c(Concentration)n – 1/(time)


dNone of these



With increase in temperature, the rate constant obeying Arrhenius equation____________________?


aIncreases


bDecreases


cDecreases exponentially


dCan either increase or decrease; depends on the frequency factor



The equilibrium constant ‘K’ of a chemical reaction depends on_________________?


aTemperature only


bPressure only


cTemperature and pressure


dRatio of reactants


View Answer Temperature only

The exit age distribution of fluid leaving a vessel is used to know the__________________?


aActivation energies of a reaction


bReaction mechanism


cExtent of non-ideal flow in the vessel


dNone of these



Goto Page No.

Page 579 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