Chemical Engineering MCQs

Page No. 241

The head loss due to sudden contraction is proportional to___________________?


aVelocity


bVelocity head


cTurbulence


dNone of these


View Answer Velocity head

The continuity equation of fluid mechanics utilises the principle of conservation of _________________?


aMomentum


bMass


cEnergy


dBoth B. & C.


View Answer Mass

Existence of boundary layer in fluid flow is because of the_________________?


aSurface tension


bFluid density


cFluid viscosity


dGravity forces


View Answer Fluid viscosity

The energy loss over a length of pipeline according to Darcy-Weisbach equation for pipe flow is _______________ the mean velocity of flow?


aDirectly proportional to


bDirectly proportional to square of


cInversely proportional to


dInversely proportional to square of



In case of end to end connection of two or more pipes in series, the ______________ each pipe?


aSame rate of flow passes through


bHead loss is same through


cRate of flow in each pipe is proportional to the length of


dTotal flow rate is the sum of flow rate in



What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate ?


a0.5


b1


c1.5


d2


View Answer 0.5

Foot valves are provided in the suction line of a centrifugal pump to ____________________?


aAvoid priming, every time we start the pump


bRemove the contaminant present in the liquid


cMinimise the fluctuation in discharge


dControl the liquid discharge



As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to (where, μ = fluid viscosity) ?


a1/μ


bμ


cμ2


d1/μ2


View Answer μ

Which of the following equations is valid for laminar flow of a fluid through packed bed ?


aFanning equation


bKozeny – Karman equation


cHagen-Poiseuille equation


dBlake-Plummer equation



A piezometer provided in the pipe measures__________________?


aFriction factor


bStatic pressure


cDynamic pressure


dNone of these


View Answer Static pressure

Goto Page No.

Page 241 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