An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity)

Hydraulics and Fluid Mechanics in ME
An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity)

tanθ = 2 a/g

tanθ = a2/2g

tanθ = a/2g

tanθ = a/g

tanθ = 2 a/g

tanθ = a2/2g

tanθ = a/2g

tanθ = a/g

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Hydraulics and Fluid Mechanics in ME
In a free vortex motion, the radial component of velocity everywhere is

minimum

zero

maximum

non-zero and finite

minimum

zero

maximum

non-zero and finite

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Hydraulics and Fluid Mechanics in ME
The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

w × Q (H + hf)

w × Q (H - hf)

w × Q × hf

w × Q × H

w × Q (H + hf)

w × Q (H - hf)

w × Q × hf

w × Q × H

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Hydraulics and Fluid Mechanics in ME
When an ideal fluid flows past a sphere

total drag is zero

lowest pressure intensity occurs at rear stagnation point

lowest pressure intensity occurs at front stagnation point

highest intensity of pressure occurs around the circumference at right angles to flow

total drag is zero

lowest pressure intensity occurs at rear stagnation point

lowest pressure intensity occurs at front stagnation point

highest intensity of pressure occurs around the circumference at right angles to flow

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Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is

[wa (V - v²)]/g

[wa (V - v)]/g

[wa (V - v)²]/2g

[wa (V - v)]/2g

[wa (V - v²)]/g

[wa (V - v)]/g

[wa (V - v)²]/2g

[wa (V - v)]/2g

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Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is

(waV/g) × sin θ

(waV/2g) × sin θ

(waV²/g) × sin θ

(waV²/2g) × sin 2θ

(waV/g) × sin θ

(waV/2g) × sin θ

(waV²/g) × sin θ

(waV²/2g) × sin 2θ

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity)

Hydraulics and Fluid Mechanics in ME In a free vortex motion, the radial component of velocity everywhere is

Hydraulics and Fluid Mechanics in ME The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

Hydraulics and Fluid Mechanics in ME When an ideal fluid flows past a sphere

Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is

Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is

Hydraulics and Fluid Mechanics in ME
An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity)

Hydraulics and Fluid Mechanics in ME
In a free vortex motion, the radial component of velocity everywhere is

Hydraulics and Fluid Mechanics in ME
The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

Hydraulics and Fluid Mechanics in ME
When an ideal fluid flows past a sphere

Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is

Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is