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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The coefficient of discharge in case of internal mouthpiece is __________ that of external mouthpiece.

Less than
None of these
Equal to
More than

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Hydraulics and Fluid Mechanics in ME
The wake

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

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Hydraulics and Fluid Mechanics in ME
The unit of kinematic viscosity in S. I. units is

N-s/m2
N-m/s
N-m
m2/s

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Hydraulics and Fluid Mechanics in ME
Dynamic similarity is said to exist between the model and the prototype, if both of them

Have identical velocities
Are equal in size and shape
None of these
Are identical in shape, but differ only in size

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Hydraulics and Fluid Mechanics in ME
In a free nappe,

The pressure above the nappe is negative
The pressure above the nappe is atmospheric
The pressure below the nappe is negative
The pressure below the nappe is atmospheric

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Hydraulics and Fluid Mechanics in ME
The value of bulk modulus of a fluid is required to determine

Euler's number
Mach number
Froude's number
Reynold's number

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