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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
A large Roynold number is indication of

turbulent flow
smooth and streamline flow
LAMINAR FLOW
highly turbulent flow.

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Hydraulics & Fluid Mechanics
THE THEORETICAL VALUE OF COEFFICIENT OF CONTRACTION OF A SHARP EDGED ORIFICE IS

0.611
0.86
1.01
0.95

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Hydraulics & Fluid Mechanics
Uniform flow occurs when

size and cross section change uniformly along length
the flow is streamline
the flow is steady
size and shape of the cross section in a particular length remain constant

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Hydraulics & Fluid Mechanics
Specific weight of sea water is more that of pure water because it contains

dissolved salt
All of these
dissolved air
suspended matter

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Hydraulics & Fluid Mechanics
A fluid is said to be ideal, if it is

inviscous
incompressible
inviscous and compressible
inviscous and incompressible

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Hydraulics & Fluid Mechanics
In a Sutro weir, the discharge is proportional to (where H is head)

H
H3/2
H1/2
H5/2

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