🏗️Civil Engineering MCQs
Civil Engineering MCQs
479 MCQs421
Uniform flow occurs when___________________?
Athe direction and magnitude of the velocity at all points are identical
Bthe velocity of successive fluid pai-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 plsr.e E. velocity, depth, pressure, etc. change from point to point in the fluid flow
422
The upper surface of a weir over which water flows is known is________________?
Acrest
Bnappe
Csill
Dweir top E. contracta
423
The region between the separation streamline and the boundary surface of the solid body is known as_________________?
Awake
Bdrag
Clift
Dboundary layer E. aerofoil section
424
A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is__________________?
A0.83
B0.6
C0.4
D0.3 E. none of the above
425
In a free vortex motion, the radial component of velocity everywhere is ________________?
Amaximum
Bminimum
Czero
Dnon-zero and finite E. unpredictable
426
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to___________________?
Ahead of water (h)
Bh2
CV/T
Dh2 E. h3/1.
427
A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ?
A0.5
B0.4
C0.515
D0.5 E. none of the above
428
A streamline is defined as the line ________________?
Aparallel to central axis flow
Bparallel to outer surface of pipe
Cof equal yelocity in a flow
Dalong which the pressure drop is uniform E. which occurs in all flows
429
Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem __________________?
AVenturimeter
BOrifice plate
Cnozzle
Dpitot tube E. all of the above
430
The speed of sound in a ideal gas varies directly as its ______________?
Apressure
Btemperature
Cdensity
Dmodulus of elasticity E. absolute temperature