Chemical Engineering MCQs

Page No. 636

_____________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture ?


aDry bulb

✖


bWet bulb

✓


cDew point

✖


dNone of these

✖


View Answer Wet bulb

Heat load in a cooling tower______________________?


aMeans the amount of heat thrown away (KCal/hr.) by the cooling tower

✖


bIs equal to the number of kg, of water circulated times the cooling range

✖


cBoth A. & B.

✓


dNeither A. nor B.

✖


View Answer Both A. & B.

A good solvent used for absorption should not have very high____________________?


aViscosity

✖


bVapor pressure

✖


cFreezing point

✖


dAll A., B. & C.

✓


View Answer All A., B. & C.

Dew point of a gas-vapour mixture_____________________?


aIncreases with temperature rise

✖


bDecreases with temperature rise

✖


cDecreases with decrease in pressure

✓


dIncreases with increase in pressure

✖



Deaeration (removal of O2) of water is done by_________________?


aRectification

✖


bAbsorption

✖


cIon-exchange

✓


dAdsorption

✖


View Answer Ion-exchange

For _______________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same?


aUnsaturated surface

✖


bConstant rate

✖


cBoth A. and B.

✓


dNeither A. nor B.

✖


View Answer Both A. and B.

Rate of leaching increases with increasing______________________?


aTemperature

✓


bViscosity of solvent

✖


cPressure

✖


dSize of the solid

✖


View Answer Temperature

The term “cooling range” in a cooling tower refers to the difference in the temperature of____________________?


aCold water leaving the tower and the wet bulb temperature of the surrounding air

✖


bHot water entering the tower and the wet bulb temperature of the surrounding air

✖


cHot water entering the tower and the cooled water leaving the tower

✓


dNone of these

✖



When the liquid over a plate is of uniform concentration, then ______________________?


aMurphree efficiency > point efficiency

✖


bMurphree efficiency < point efficiency

✖


cMurphree efficiency = point efficiency

✓


dMurphree efficiency ≠ point efficiency

✖



The dimension of diffusivity is same as that of the__________________?


aDensity

✖


bMolal concentration

✖


cKinematic viscosity

✓


dVelocity head

✖


View Answer Kinematic viscosity

Goto Page No.

Page 636 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