Chemical Engineering MCQs

Page No. 657

Agitator is provided in a crystalliser for____________________?


aAvoiding deposition on cooler surfaces

✖


bFormation of nuclei

✖


cCrystal growth

✖


dAll A., B. and C.

✓


View Answer All A., B. and C.

Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of__________________?


aMass diffusivity to momentum diffusivity

✖


bThermal diffusivity to mass diffusivity

✓


cMomentum diffusivity to thermal diffusivity

✖


dNone of these

✖



Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the ________________ number?


aSherwood

✓


bSchmidt

✖


cPeclet

✖


dStanton

✖


View Answer Sherwood

Cox chart is useful in the design of___________________?


aDistillation column

✓


bEvaporator

✖


cDryer

✖


dCrystalliser

✖


View Answer Distillation column

The binary diffusivity in gases and liquids vary respectively as_________________?


aT3/2 and T

✓


bT and T3/2

✖


c√T and T3/2

✖


dT3/2 and √T

✖


View Answer T3/2 and T

Decoction refers to the use of solvent________________?


aAt ambient temperature

✖


bAt its boiling point

✓


cIn its vapor form

✖


dNone of these

✖


View Answer At its boiling point

Ordinary diffusion process is also called ______________ diffusion?


aPressure

✖


bThermal

✖


cConcentration

✓


dForced

✖


View Answer Concentration

Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in ______________ tower?


aWetted wall

✓


bBubble cap

✖


cPerforated tray

✖


dPacked

✖


View Answer Wetted wall

The solvent used in liquid-liquid extraction should have _______________ less than one?


aSelectivity

✖


bDistribution co-efficient

✖


cBoth A. and B.

✖


dNeither A. nor B.

✓


View Answer Neither A. nor B.

Which of the following equipments is not used for liquid dispersion ?


aWetted wall towers

✖


bPacked towers

✖


cVenturi scrubbers

✖


dAgitated vessels

✓


View Answer Agitated vessels

Goto Page No.

Page 657 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