Civil Engineering MCQs

Page No. 14

The resultant upward pressure of the fluid on an immersed body is called__________________?


aupthrust

✖


bbuoyancy

✓


ccenter of pressure

✖


dall the above are correct

✖


View Answer buoyancy

The conditions for the stable equilibrium of a floating body are_______________?


a the meta-center should lie above the center of gravity

✖


b the center of buoyancy and the center of gravity must lie on the same vertical line

✖


ca righting couple should be formed

✖


dall the above are correct

✓



The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to____________________?


aBuoyancy

✖


bEquilibrium of a floating body

✖


cArchimedes’ principle

✓


d Bernoulli’s theorem

✖



The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as____________________?


ameta center

✖


b center of pressure

✓


ccenter of buoyancy

✖


dcenter of gravity

✖


View Answer center of pressure

A liquid would wet the solid, if adhesion forces as compared to cohesion forces are_________________?


a less

✖


bmore

✓


cequal

✖


d less at low temperature and more at high temperature

✖


View Answer more

A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will__________________?


aincrease

✖


bdecrease

✖


c remain same

✓


dincrease/decrease depending on depth of immersion

✖


View Answer remain same

A pressure of 25 m of head of water is equal to________________?


a25 kN/m2

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b 245 kN/m2

✓


c2500 kN/m2

✖


d2.5kN/m2

✖


View Answer 245 kN/m2

A one dimensional flow is one which___________________?


ais uniform flow

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bis steady uniform flow

✖


c takes place in straight lines

✖


d involves zero transverse component of flow

✓



4-61. Kinematic viscosity is equal to________________?


adynamic viscosity/density

✓


b dynamicviscosity x density

✖


cdensity/dynamic viscosity

✖


d1/dynamicviscosity x density

✖



The units of kinematic viscosity are_______________?


ametres2 per sec

✓


bkg sec/meter

✖


cnewton-sec per meter

✖


dnewton-sec per meter

✖


View Answer metres2 per sec

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