Mechanical Engineering MCQs

Page No. 23

The speed of sound in a ideal gas varies directly as its__________________?


apressure


btemperature


cdensity


dabsolute temperature


View Answer absolute temperature

Piezometer is used to measure_____________________?


apressure in pipe, channels etc.


batmospheric pressure


cvery low pressures


ddifference of pressure between two points


View Answer very low pressures

Which of the following manometer has highest sensitivity_________________?


aU-tube with water


binclined U-tube


cU-tube with mercury


dmicro-manometer with water



Working principle of dead weight pressure gauge tester is based on_______________?


aPascal’s law


bDalton’s law of partial pressure


cNewton’s law of viscosity .


dAvogadro’s hypothesis


View Answer Pascal’s law

Center of pressure compared to e.g. is___________________?


aabove it


bbelow it


cat same point


dabove or below depending on area of body


View Answer below it

A body floats in stable equilibrium ____________________?


awhen its meatcentric height is zero


bwhen the metancentre is above e.g.


cwhen its e.g. is below it’s center of buoyancy


dmetacentre has nothing to do with position of e.g. for determining stability



According to the principle of buoyancy a body totally or partially immersed in a fluid will be lifted up by a force equal to_________________?


athe weight of the body


bmore than the weight of the body


cless than the weight of the body


dweight of the fluid displaced by the body



Center of pressure on an inclined plane is___________________?


aat the centroid


babove the centroid


cbelow the centroid


dat metacentre


View Answer below the centroid

The centre of gravity of the volume of the liquid displaced by an immersed body is called ___________________?


acentre of gravity


bcentre of pressure


cmetacentre


dcentre of buoyancy


View Answer centre of buoyancy

The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm”. The pressure at 2.5 m below the oil surface will be __________________?


a2 metres of water column


b3 metres of water column


c3.5 metres of water column


d4 m of water column



Goto Page No.

Page 23 of 190

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