Civil Engineering MCQs

Page No. 183

When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies________________?


a linearly with radial distance


bas the square of the radial distance


c inversely as the square of the radial distance


dinversely as the radial distance



A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is___________________?


azero


b one-fourth its value when cylinder was fu


cone-half its value when cylinder was full


dcannot be predicted from the given data


View Answer zero

Which of the following is an incorrect statement ?


aCoefficient of contraction of a venturimeter is unity


bFlow nozzle is cheaper than venturimeter but has higher energy loss


c Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined


dNone of the above statement is correct.



A closed tank containing water is moving in a horizontal direction along a straight line at a constant speed. The tank also contains a steel ball and a bubble of air. If the tank is decelerated horizontally, then________________? 0 1. the ball will move to the front 2. the bubble will move to the front 3. the ball will move to the rear 4. the bubble will move to the rear Find out which of the above statements are correct ?


a(1) and (2)


b(1)and(4)


c(2) and (3)


d(3) and (4)


View Answer (1)and(4)

Select the incorrect statement?


aThe pressure intensity at vena contracta is atmospheric


bContraction is least at vena contracta


cStream lines are parallel throughout the jet at vena contracta


dCoefficient of contraction is always less than one



Flow at constant rate through a tapering pipe is________________? 0 1. steady flow 2. uniform flow 3. unsteady flow 4. non-uniform flow The correct answer is?


a (1) and (2)


b(1)and(iv)


c(2) and (3)


d (2) and (4)


View Answer (1)and(iv)

When the velocity distribution is uniform over the cross-section, the correction factor for momentum is__________________?


a 0


b1


c4/3


d2


View Answer 1

Least possible value of correction factor for________________? 0 1. kinetic energy is zero 2. kinetic energy is 1 3. momentum is zero 4. momentum is 1 The correct statements are?


a (1) and (3)


b(2) and (3)


c(1) and (4)


d(1) and (4)


View Answer (1) and (4)

If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is__________________?


a 4/3


b3/2


c 9/4


d 27/8


View Answer 9/4

Which of the following velocity potentials satisfies continuity equation ?


a x2y


bx2-y2


c cosx


d x2 + y2


View Answer x2-y2

Goto Page No.

Page 183 of 302

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