🏗️Civil Engineering MCQs
Civil Engineering MCQs
479 MCQs371
In the case of steady flow of a fluid, the acceleration of any fluid particle is__________________?
Aconstant
Bvariable
Czero
Dzero under limiting conditions E. never zero
372
Flow occurring in a pipeline when a valve is being opened is ______________________?
Asteady
Bunsteady
Claminar
Dvortex E. rotational
373
The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as___________________?
Aone dimensional flow
Buniform flow
Csteady flow
Dturbulent flow E. streamline flow
374
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
Dturbulent flow E. streamline flow
375
Steady 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 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 E. velocity, depth, pressure, etc. change from point to point in the fluid flow
376
Uniform flow occurs when____________________?
Athe flow is steady
Bthe flow is streamline
Csize and shape of the cross section in a particular length remain constant
Dsize and cross section change uniform¬ly along length E. flow occurs at constant fate
377
For measuring flow by a venturimeter, if should be installed in__________________?
Avertical line
Bhorizontal line
Cinclined line with flow downward
Dinclined line with upward flow E. in any direction and in any location
378
An ideal flow of any fluid must satisfy ___________________?
APascal law
BNewton’s law of viscosity
Cboundary layer theory
Dcontinuity equation E. Bernoulli’s theorem
379
In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 9. Sensitivity of inclined tube to sensitivity of U-tube is equal to_________________?
Asin 9
Bsin 9
CcasS
Dcos 9 E. tan 9
380
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 E. Second law of thermodynamic