Chemical Engineering MCQs

Page No. 469

Corrosiveness of steam condensate is due to the presence of________________?


aCO2


bDissolved O2


cBoth A. & B.


dNeither A. nor B.


View Answer Both A. & B.

Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter)?


a0.2 D


b0.5 D


c0.66 D


d0.80 D


View Answer 0.2 D

Tube expansion allowances exist in _____________ heat exchanger?


aMultipass fixed tube sheet


bU-tube


cSingle pass fixed tube sheet


dNone of these


View Answer U-tube

Multiple effect evaporation accounts for___________________?


aSteam economy


bLower operating costs


cInvestment economy


dNone of these


View Answer Steam economy

A black body does not ____________ radiation?


aAbsorb or emit


bRefract


cReflect


dBoth B. & C.


View Answer Both B. & C.

An equipment which converts the latent or sensible heat of one fluid into the latent heat of vaporisation of another, is called a_________________?


aBoiler


bHeat exchanger


cHeat exchanger


dRegenerator


View Answer Heat exchanger

Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is__________________?


a0.4


b0.5


c0.6


d0.7


View Answer 0.7

Sensible heat absorbed by 1 lb of water when it is heated from 32 to 212°F may be around ______________ BTU?


a180


b180


c3.97


dData insufficient, can’t be predicted


View Answer 180

Stefan’s block body radiation law can also be derived from ______________ law?


aKirchoff’s


bPlanck’s


cFourier’s


dNone of these


View Answer Planck’s

What is the geometric mean of two heat transfer areas A1 and A2 ?


a√(A1 . A2)


b√(A1 + A2)


c½ √(A1 . A2)


d2 √(A1 . A2)


View Answer √(A1 . A2)

Goto Page No.

Page 469 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