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


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


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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