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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
A perfect gas

has constant viscosity
is incompressible
None of these
is of theoretical interest

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Hydraulics & Fluid Mechanics
The flow which neglects changes in a transverse direction is known as

turbulent flow
uniform flow
steady flow
one dimensional flow

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

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

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Hydraulics & Fluid Mechanics
The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to

981 PA
91 PA
9810 PA
1 PA

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Hydraulics & Fluid Mechanics
The discharge of a liquid of kinematic viscosity 4 cm²/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is

TRANSITION FLOW
NOT PREDICTABLE FROM THE GIVEN DATA
LAMINAR FLOW
TURBULENT FLOW

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

H5/2
H
H3/2
H1/2

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