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Hydraulics and Fluid Mechanics in ME

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

streamline flow
turbulent flow
one dimensional flow
uniform flow

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Hydraulics and Fluid Mechanics in ME
Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as

Bulk modulus
Stagnation pressure
Lift
Drag

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Hydraulics and Fluid Mechanics in ME
According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to

0.405 + (0.003/H)
0.405 + (H/0.003)
0.003 + (H/0.405)
0.003 + (0.405/H)

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Hydraulics and Fluid Mechanics in ME
In a depressed nappe

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

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Hydraulics and Fluid Mechanics in ME
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea

rotameter
pitot tube
Venturimeter
hot wire anemometer

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Hydraulics and Fluid Mechanics in ME
The total pressure on an immersed surface inclined at an angle θ with the liquid surface is

wA
wx
wAx
wAx/sinθ

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