Chemical Engineering MCQs

Page No. 169

If in a flow field, between any two points, then the flow must be___________________?


aSteady, incompressible, irrotational

✓


bSteady, compressible, irrotational

✖


cSteady, compressible and along a streamline

✖


dUnsteady, incompressible, irrotational

✖



Characteristic curves for a centrifugal pump plotted against its capacity is shown in the diagram. x, y and z denote respectively_______________?


aEfficiency, head and B.H.P.

✖


bHead, efficiency and B.H.P.

✓


cB.H.P., efficiency and head

✖


dEfficiency, B.H.P. and head

✖



A gas (density = 1.5 kg/m3, viscosity = 2 × 10‒5 kg/m.s) flowing through a packed bed (particle size = 0.5 cm, porosity = 0.5) at a superficial velocity of 2 m/s causes a pressure drop of 8400 Pa/m. The pressure drop for another gas, with density of 1.5 kg/m3and viscosity of 3 × 10‒5kg/m.s flowing at 3 m/s will be________________?


a8400 Pa/m

✖


b12600 Pa/m

✓


c18900 Pa/m

✖


d16800 Pa/m

✖


View Answer 12600 Pa/m

Cd is always ______________ Cc?


aGreater than

✓


bLess than

✖


cEqual to

✖


dEither more or less than

✖


View Answer Greater than

Cavitation in a pump creates so many undesirable effects. Out of the following, which is not an undesirable effect created by cavitation ?


aDecrease in effect

✖


bIncrease in thrust

✖


cDevelops noise

✖


dDevelops high pressure

✓



For turbulent flow in smooth circular pipe, the velocity distribution is a function of the distance ‘d’ measured from the wall of the pipe and the friction velocity ‘v’, and it follows a _____________ relationship?


aLogarithmic

✓


bLinear

✖


cHyperbolic

✖


dParabolic

✖


View Answer Logarithmic

In case of a Rotameter, the density of the float material is _____________ that of the liquid it replaces?


aMore than

✓


bLess than

✖


cEqual to

✖


dEither A. or B.

✖


View Answer More than

For the manometer set up shown in the figure, the pressure difference PA – PB is given by_________________?


a(ρH – ρair)gH

✓


b(ρH – ρL)gH

✖


c(ρH – ρL) gH + (ρL – ρair) . g(L – H)

✖


d(ρH – ρL) gL + (ρL – ρair)gH

✖


View Answer (ρH – ρair)gH

The capacity of an accumulator is the maximum_________________?


aEnergy which it can store

✓


bDischarge which it can deliver

✖


cLiquid which it can store

✖


dNone of these

✖



In the Newton’s law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is ______________ the fluid viscosity?


aDirectly proportional to

✖


bInversely proportional to

✓


cInversely proportional to the square root of

✖


dIndependent of

✖



Goto Page No.

Page 169 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