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Hydraulics and Fluid Mechanics

The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)

Hydraulics and Fluid Mechanics, Mechanical Engineering /
Question: The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid)
[A].

K.ρ

[B].

K/ρ

[C].

ρ/K

[D].

K.ρ

Answer: Option B

Explanation:

No answer description available for this question.

The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ρ = Density of the fluid) Read More »

Hydraulics and Fluid Mechanics, Mechanical Engineering

Bulk modulus of a fluid is the ratio of

Hydraulics and Fluid Mechanics, Mechanical Engineering /
Question: Bulk modulus of a fluid is the ratio of
[A].

shear stress to shear strain

[B].

increase in volume to the viscosity of fluid

[C].

increase in pressure to the volumetric strain

[D].

critical velocity to the viscosity of fluid

Answer: Option C

Explanation:

No answer description available for this question.

Bulk modulus of a fluid is the ratio of Read More »

Hydraulics and Fluid Mechanics, Mechanical Engineering

A closed tank is completely filled with an oil. If it is made to move with a horizontal acceleration, then the pressure at the back end will be more than that at the front end.

Hydraulics and Fluid Mechanics, Mechanical Engineering /
Question: A closed tank is completely filled with an oil. If it is made to move with a horizontal acceleration, then the pressure at the back end will be more than that at the front end.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

A closed tank is completely filled with an oil. If it is made to move with a horizontal acceleration, then the pressure at the back end will be more than that at the front end. Read More »

Hydraulics and Fluid Mechanics, Mechanical Engineering

An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.

Hydraulics and Fluid Mechanics, Mechanical Engineering /
Question: An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.
[A].

equal to

[B].

directly proportional

[C].

inversely proportional

Answer: Option B

Explanation:

No answer description available for this question.

An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank. Read More »

Hydraulics and Fluid Mechanics, Mechanical Engineering

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, Mechanical Engineering /
Question: 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)
[A].

tan θ = a/g

[B].

tan θ = 2 a/g

[C].

tan θ = a/2g

[D].

tan θ = a2/2g

Answer: Option A

Explanation:

No answer description available for this question.

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) Read More »

Hydraulics and Fluid Mechanics, Mechanical Engineering

A moving fluid mass may be brought to a static equilibrium position, by aplying 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, Mechanical Engineering /
Question: A moving fluid mass may be brought to a static equilibrium position, by aplying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called
[A].

Pascal’s law

[B].

Archimede’s principle

[C].

D-Alembert’s principle

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

A moving fluid mass may be brought to a static equilibrium position, by aplying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called Read More »

Hydraulics and Fluid Mechanics, Mechanical Engineering