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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
The difference of pressure between the inside and outside of a liquid drop is

(b)p = T/r
(a)p = Txr
p = T/2r
(d)p = 2T/r

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Hydraulics & Fluid Mechanics
Flow of water in a pipe about 3 meters in diameter can be measured by

orifice plate
pitot tube
venturi
rotameter

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Hydraulics & Fluid Mechanics
A large Roynold number is indication of

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

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Hydraulics & Fluid Mechanics
Ay between two stream lines represents

head
discharge
pressure
velocity

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Hydraulics & Fluid Mechanics
The peoperty by virtue of which a liquid opposes relative motion between its different layers is called

osmosis
co-efficient of viscosity
surface tension
viscosity

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Hydraulics & Fluid Mechanics
The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe)

3/4 R
1/2 R
2/3 R
1/3 R

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