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Hydraulics & Fluid Mechanics

Hydraulics & Fluid Mechanics
THEE HORIZONTAL COMPONENT OF BUOYANT FORCE IS

NEGLIGIBLE
None of these
SAME AS BUOYANT FORCE
ZERO

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Hydraulics & Fluid Mechanics
Which of the following instrument can be used for measuring speed of an aeroplane

Orifice plate
pitot tube
Venturimeter
rotameter

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Hydraulics & Fluid Mechanics
The discharge over a broad crested weir is maximum when the depth of flow is (where H is the available head)

H/3
2 H/3
H/2
2 H/5

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

H1/2
H5/2
H
H3/2

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

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

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Hydraulics & Fluid Mechanics
For measuring flow by a venturimeter, if should be installed in

inclined line with upward flow
vertical line
in any direction and in any location.
horizontal line

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