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Hydraulics & Fluid Mechanics

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

one dimensional flow
uniform flow
turbulent flow
steady flow

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Hydraulics & Fluid Mechanics
A large Roynold number is indication of

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

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Hydraulics & Fluid Mechanics
To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than

5.0 above the hydraulic gradient
2.4 m above the hydraulic gradient
10.0 m above the hydraulic gradient
6.4 m above the hydraulic gradient

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Hydraulics & Fluid Mechanics
When a liquid rotates at a constant angular velocity about a vertical axis as a rigid body, the pressure intensity varies

inversely as the square of the radial distance
as the square of the radial distance
linearly with radial distance
inversely as the radial distance

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Hydraulics & Fluid Mechanics
The resultant of all normal pressures acts

at center of pressure
at metacentre
vertically upwards
at e.g. of body

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Hydraulics & Fluid Mechanics
Coefficient of velocity for Borda’s mouth piece running full is

0.855
0.707
1.00
0.611

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MORE MCQ ON Hydraulics & Fluid Mechanics

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