Chemical Engineering MCQs

Page No. 192

Venturimeters, orificemeters and nozzles are used to measure the fluid discharge from a pipeline. The average fluid velocity in a pipeline can be measured by a/an________________?


aWeir

✖


bHot wire anemometer

✓


cCup and vane anemometer

✖


dNone of these

✖


View Answer Hot wire anemometer

The fluid property which matters for falling rain drops to acquire spherical shape is its__________________?


aPressure

✖


bHeight of descend

✖


cViscosity

✖


dSurface tension

✓


View Answer Surface tension

Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces ?


aRT

✓


b P + (a/V2)

✖


c(V – b)

✖


d 1/RT

✖


View Answer RT

Priming of a centrifugal pump is done to___________________?


aIncrease the mass flow rate of fluid

✖


bDevelop effective pressure rise by the pump

✖


cAvoid chances of separation inside the impeller

✓


dNone of these

✖



Pick out the wrong statement pertaining to fluid flow ?


aThe ratio of average velocity to the maximum velocity for turbulent flow of Newtonian fluid in circular pipes is 0.5

✓


bThe Newtonian fluid velocity in a circular pipe flow is maximum at the centre of the pipe

✖


cNavier-Stokes equation is applicable to Hagen-Poiseuille equation is applicable to the laminar flow of Newtonian fluidsthe analysis of viscous flows

✖


dHagen-Poiseuille equation is applicable to the laminar flow of Newtonian fluids

✖



In which of the following case of mixing of a strong acid with strong base (each of 1N concentration), temperature increase will be the highest ?


a30 c.c acid and 30 c.c base

✓


b 20 c.c acid and 25 c.c base

✖


c15 c.c acid and 35 c.c base

✖


d35 c.c acid and 15 c.c base

✖



The ratio of the wall drag to the form drag in the Stoke’s law range (for motion of spherical particles in a stationary fluid) is__________________?


a0.5

✖


b1

✖


c2

✓


d0.33

✖


View Answer 2

The discharge through a Venturimeter depends upon _________________?


aPressure drop only

✓


bIts orientation

✖


cCo-efficient of contraction only

✖


dNone of these

✖


View Answer Pressure drop only

With increase in the solute concentration, the specific heat of aqueous solutions _____________________?


aIncreases

✖


b Decreases

✓


c Remains unchanged

✖


dEither A. or B.; depends on the type of solution

✖


View Answer Decreases

The head loss due to sudden expansion is__________________?


a(V12 – V22)/2gc

✖


b(V1 – V2)2/2gc

✓


c(V1 – V2)/2gc

✖


d(V12 – V22)/gc

✖


View Answer (V1 – V2)2/2gc

Goto Page No.

Page 192 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