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Hydraulics & Fluid Mechanics

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

H5/2
H3/2
H
H1/2

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Hydraulics & Fluid Mechanics
Two pipe systems are said to be equivalent when

head loss and discharge are same in two systems
length and diameter are same in two systems
friction factor and length are same in two systems
length of pipe and discharge are same in two systems

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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

1 PA
9810 PA
981 PA
91 PA

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Hydraulics & Fluid Mechanics
Pressure of the order of 10''' torr can be measured by

ionisastion gauge
Bourdon tube
Pirani Gauge
Micro-manometer

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Hydraulics & Fluid Mechanics
For a floating body to be in equilibrium

center of buoyancy and e.g. must lie on same vertical plane
meta center should be above e.g.
a righting couple should be formed
All of these

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Hydraulics & Fluid Mechanics
Flow at constant rate through a tapering pipe is i) steady flow ii) uniform flow iii) unsteady flow iv) non-uniform flow The correct answer is

(ii) and (iii)
(i) and (ii)
(i)and(iv)
(ii) and (iv)

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