Hydraulics - Civil Engineering Questions and Answers

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The discharg formula Q = C_d \(\sqrt2gH{}\)x A is used for rectangular

small orifices only

large orifices only

small and large orifices only

for all types of orifices.

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Chezy's constant C = \( \frac { 157.6 } { 1.81+k/\sqrt{m} } \) is suggested by

Bazin

Kutter

Manning

Powell.

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The acceleration f required to accelerate a rectangular tank containing water horizontally so that the slope of its free surface is 45°, is

g/2

2 g

2.5 g

3 g.

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Pick up the correct statement from the following :

The fluids which follow t = \(\frac { dV } { dY } \)are known as Newtonian fluids

The fluids which do not follow the linear relationship between shear and rate of strain are known as non Newtonian fluids

The substances which flow after yield strains, are known as plastics

all the above.

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For solving network problems of pipes, necessary condition is

continuity equation

energy equation

Darcy-Weisbach equation

all the above.

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In a fluid flow a particle may posses

elevation energy

kinetic energy

pressure energy

initial energy

all the above.

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In two dimensional flow the components of velocity are given by u = ax; v = by. The stream lines will be

circular

parabolic

hyperbolic

elliptical.

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The discharge through a V-notch weir varies as

\(\sqrt{H}\)

1 \(\sqrt{H}\)

\( H^3/2\)

\( H^7/2\)

\( H^5/2\)

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The instrument used for measuring the velocity of flow, is known as

venturimeter

orifice meter

pitot tube

none of these.