Civil Engineering MCQs

Page No. 5

The flow in which each liquid particle has a definite path and their paths do not cross each other is called____________________?


aone dimensional flow


buniform flow


csteady flow


d streamline flow


View Answer streamline flow

Steady flow occurs when____________________?


athe direction and magnitude of the velocity at all points are identical


b the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time


cthe magnitude and direction of the velocity do not change from point to point in the fluid


d the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane



Uniform flow occurs when____________________?


athe flow is steady


bthe flow is streamline


c size and shape of the cross section in a particular length remain constant


dsize and cross section change uniform¬ly along length



For measuring flow by a venturimeter, if should be installed in__________________?


avertical line


bhorizontal line


c inclined line with upward flow


d in any direction and in any location



An ideal flow of any fluid must satisfy ___________________?


aPascal law


bNewton’s law of viscosity


cboundary layer theory


dcontinuity equation


View Answer continuity equation

Non uniform flow occurs when ____________________?


athe direction and magnitude of the velocity at all points are identical


bthe velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time


cthe magnitude aricf direction of the velocity do not change from point to point in the fluid


dvelocity, depth, pressure, etc. change from point to point in the fluid flow



Gradually varied flow is____________________?


asteady uniform


bnon-steady non-uniform


cnon-steady uniform


d steady non-uniform


View Answer steady non-uniform

During the opening of a valve in a pipe line, the flow is___________________?


asteady


bunsteady


cuniform


dlaminar


View Answer unsteady

In the case of steady flow of a fluid, the acceleration of any fluid particle is__________________?


aconstant


bvariable


czero


dnever zero


View Answer zero

True one-dimensional flow occurs when___________________?


athe direction and magnitude of the veiocity at all points are identical


b the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time


cthe magnitude and direction of the velocity do not change from point to point in the fluid


dthe fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane



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