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