Chemical Engineering MCQs

Page No. 231

The head loss in turbulent flow in pipe is proportional to(where, V = velocity of fluid through the pipe) ?


aV2

✓


b1/V2

✖


c1/V

✖


dV

✖


View Answer V2

Gradually varying fluid flow is an example of ____________ flow?


aNon-steady uniform

✓


bNon-steady non-uniform

✖


cSteady uniform

✖


dSteady non-uniform

✖


View Answer Non-steady uniform

Hydraulic mean radius for flow through packed bed of spherical particle of size, ‘Dp, with porosity ‘ε’ is________________?


a(Dp/6) (ε/1- ε)

✓


b(Dp/6) (1- ε/ε)

✖


c⅔Dp (1- ε/ε)

✖


d⅔Dp (ε/1- ε)

✖


View Answer (Dp/6) (ε/1- ε)

The pressure intensity is the same in all directions at a point in a fluid________________?


aOnly when the fluid is frictionless

✖


bOnly when the fluid is at rest having zero velocity

✖


cWhen there is no motion of one fluid layer relative to an adjacent layer

✓


dRegardless of the motion of one fluid layer relative to an adjacent layer

✖



Hot wire anemometer is used to measure the_________________?


aVelocity of liquids

✖


bTemperature of liquids

✖


cVelocity of gases

✓


dPressure of liquids

✖


View Answer Velocity of gases

The peripheral velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec?


a1.8

✖


b12.4

✓


c186.2

✖


d736.4

✖


View Answer 12.4

The fluid velocity varies as the cube of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop for ____________ fluid?


aNewtonian

✖


bPseudo-plastic

✓


cDilatent

✖


dBingham plastic

✖


View Answer Pseudo-plastic

Quicksand is an example of a __________ fluid?


aBingham plastic

✖


bDilatant

✓


cNewtonian

✖


dPseudo plastic

✖


View Answer Dilatant

Design of the casing of centrifugal pump should be such as to minimise the________________?


aBack flow through impeller

✖


bLoss of kinetic head

✓


cLoss of static head

✖


dNone of these

✖


View Answer Loss of kinetic head

Drag co-efficient CD, in Stoke’s law range is given by________________?


aCD = 16/Re.p

✖


bCD = 24/Re.p

✓


cCD = 18.4/Re.p

✖


dCD = 0.079/Re

✖


View Answer CD = 24/Re.p

Goto Page No.

Page 231 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