Chemical Engineering MCQs

Page No. 207

On mixing 56 gm of CaO with 63 gm of HNO3, the amount of Ca(NO3)2 formed is ______________ gm?


a82

✓


b164

✖


c41

✖


d8.2

✖


View Answer 82

Atmospheric pressure corresponds to a hydrostatic head of_________________?


a13.6 cms of Hg

✖


b34 ft ofH2O

✓


c1 metre of H2O

✖


d13.6 metres of Hg

✖


View Answer 34 ft ofH2O

A pipe of I.D. 4 m is bifurcated into two pipes of I.D. 2 m each. If the average velocity of water flowing through the main pipe is 5 m/sec, the average velocity through the bifurcated pipes is__________________?


a20 m/sec

✖


b10 m/sec

✓


c5 √2 m/sec

✖


d5 m/sec

✖


View Answer 10 m/sec

Cd, Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficient, Cc = co-efficient of contraction = (area of jet at vena-contracta/area of opening), Cv = co-efficient of velocity = (actual velocity at vena-contracta/theoretical velocity)?


aCd = Cc/Cv

✖


bCd = Cc.Cv

✓


cCd = Cv/ Cc

✖


dNone of these

✖


View Answer Cd = Cc.Cv

A fluid whose apparent viscosity increases with shear rate is termed as the _____________ fluid?


aNewtonian

✖


bViscous

✖


cDilatant

✓


dNon-viscous

✖


View Answer Dilatant

In case of a centrifugal pump, the ratio of total delivered pressure to pressure developed with the impeller is called the _____________ efficiency?


aManometric

✓


bMechanical

✖


cVolumetric

✖


dOverall

✖


View Answer Manometric

Very small pressure difference (< 5 mm water column) can be most conveniently measured by a/an _____________ manometer?


aU-tube water

✖


bU-tube mercury

✖


cInclined tube mercury

✖


dInclined tube water

✓


View Answer Inclined tube water

The flow of a liquid through tapering pipe at a constant rate is an example of _______________ flow?


aSteady uniform

✖


bSteady non uniform

✓


cUnsteady uniform

✖


dUnsteady non uniform

✖


View Answer Steady non uniform

The rate of shear versus the shear stress curves are time dependent for _____________ fluid?


aThixotropic

✖


bRheopectic

✖


cBoth A. & B.

✓


dNeither A. nor B.

✖


View Answer Both A. & B.

As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 ?


aIncreases linearly with V

✓


bDecreases linearly with V

✖


cDecreases as V2

✖


dNone of these

✖



Goto Page No.

Page 207 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