The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid)

Hydraulics and Fluid Mechanics in ME
The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid)

16μvl/wd²

32μvl/wd²

8μvl/wd²

4μvl/wd²

16μvl/wd²

32μvl/wd²

8μvl/wd²

4μvl/wd²

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Hydraulics and Fluid Mechanics in ME
The volume of a fluid __________ as the pressure increases.

Decreases

None of these

Increases

Remains same

Decreases

None of these

Increases

Remains same

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Hydraulics and Fluid Mechanics in ME
The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

0.81 times

0.67 times

0.95 times

0.34 times

0.81 times

0.67 times

0.95 times

0.34 times

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Hydraulics and Fluid Mechanics in ME
In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

1/8 to 1/4

1/4 to 1/3

1/3 to 1/2

1/16 to 1/8

1/8 to 1/4

1/4 to 1/3

1/3 to 1/2

1/16 to 1/8

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Hydraulics and Fluid Mechanics in ME
If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is

0.25

0.5

None of these

1

0.25

0.5

None of these

1

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Hydraulics and Fluid Mechanics in ME
A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called

None of these

Archimedes’s principle

Pascal’s law

D-Alembert’s principle

None of these

Archimedes’s principle

Pascal’s law

D-Alembert’s principle

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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid)

Hydraulics and Fluid Mechanics in ME The volume of a fluid __________ as the pressure increases.

Hydraulics and Fluid Mechanics in ME The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

Hydraulics and Fluid Mechanics in ME In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

Hydraulics and Fluid Mechanics in ME If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is

Hydraulics and Fluid Mechanics in ME A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called

Hydraulics and Fluid Mechanics in ME
The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid)

Hydraulics and Fluid Mechanics in ME
The volume of a fluid __________ as the pressure increases.

Hydraulics and Fluid Mechanics in ME
The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

Hydraulics and Fluid Mechanics in ME
In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

Hydraulics and Fluid Mechanics in ME
If the dynamic viscosity of a fluid is 0.5 poise and specific gravity is 0.5, then the kinematic viscosity of that fluid in stokes is

Hydraulics and Fluid Mechanics in ME
A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called