Chemical Engineering MCQs

Page No. 496

Which of the following is used to set the diameter of the distillation column ?


aNumber of theoretical plates

✖


bStatic submergence

✖


cAllowable vapour velocity

✓


dLength of straight rectangular weir on cross-flow tray

✖



The dust collection efficiency of electrostatic precipitator increases with increase in the_________________?


aGas flow rate

✖


bElectrode area

✓


cBoth A. & B.

✖


dNeither A. nor B.

✖


View Answer Electrode area

A cylindrical storage tank can have a self supported conical roof ?


aIf its diameter is less than 15-20 metres

✓


bIf its diameter is more than 50 meters

✖


cIf the thickness of the roof is more than that of the cylindrical shell

✖


dIrrespective of its diameter

✖



Spherical shaped pressure vessel is considered to be the most ideal, because it can___________________?


aWithstand higher pressure for a given metallic shell thickness

✓


bBe fabricated very easily

✖


cBe designed without wind load considerations

✖


dBe supported very easily

✖



Rotary driers are most economically designed for the number of heat transfer units (HTU) from _________________?


a0.01 to 1

✖


b1.5 to 2.5

✓


c5 to 10

✖


d10 to 20

✖


View Answer 1.5 to 2.5

Baffle width is normally taken as ______________ times the tank diameter?


a0.1-0.12

✓


b0.4-0.5

✖


c0.45-0.6

✖


d0.2-0.45

✖


View Answer 0.1-0.12

Vertical vessels are not supported by____________________?


aBrackets

✖


bSkirts

✖


cColumns

✖


dSaddles

✓


View Answer Saddles

The units of Young’s modulus of elasticity and ________________ are the same?


aStrain

✖


bStress

✓


cModular ratio

✖


dNone of these

✖


View Answer Stress

Pick out the wrong statement pertaining to the design of a long tube vertical evaporator ?


aTube dia is 3-6 cms, while tube length in 3-6 metres

✖


bSteam is fed to the shell, whereas the liquor is filled inside the tube

✖


cLiquor level is maintained at 1/3rd to 1/2 of the height of the tube

✖


dNone of these

✓


View Answer None of these

In case of a continuous distillation column, increase in reflux ratio may result in the______________?


aLower fixed charges for the column

✖


bGreater cost for the reboiler heat supply

✖


cGreater cost for the condenser coolant

✖


dAll A., B. and C.

✓


View Answer All A., B. and C.

Goto Page No.

Page 496 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