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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The maximum discharge over a broad crested weir is

1.71 Cd × L × H3/2
1.71 Cd × L × H1/2
0.384 Cd × L × H3/2
0.384 Cd × L × H1/2

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Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Nearly horizontal
Horizontal
Steep
First rise and then fall

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Hydraulics and Fluid Mechanics in ME
The flow in which each liquid particle has a definite path and their paths do not cross each other is called

one dimensional flow
turbulent flow
streamline flow
uniform flow

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Hydraulics and Fluid Mechanics in ME
The viscosity of a gas

decreases with increase in temperature
increases with increase in temperature
is independent of pressure for very high pressure intensities
is independent of temperature

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Hydraulics and Fluid Mechanics in ME
The continuity equation is connected with

Compressibility of fluids
Steady/unsteady flow
Conservation of mass
Open channel/pipe flow

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Hydraulics and Fluid Mechanics in ME
The wake

is a region of high pressure intensity
None of these
always occurs after a separation point
always occurs before a separation point

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