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Fluid-mechanics Questions Set 61:

Quiz Mode

Which of the following fluids is the most incompressible?

Gasoline

Kerosene oil

Helium

Water

Solution:

Which parameter is required to determine the bulk modulus of a fluid?

Mach number

Reynolds number

Froude number

Euler number

Solution:

The capillary rise of water with surface tension 0.073 N/m in a clean glass tube of 1 mm diameter at 20°C is approximately:

15 mm

20 mm

30 mm

50 mm

Solution:

The barometric pressure at a location is 75 cm of Hg. Express the pressure intensity of 10 N per cm² in meters of water.

1.019 cm

10.19 cm

10.19 m

1.019 m

Solution:

What are the components of total energy?

Pressure head and potential head

Velocity head and pressure head

Specific energy and pressure head

Pressure head and potential head

Solution:

Given the following condition:

P = (3500 √p + 2500) N/m² {where p = density}

Find the value of the bulk modulus 'k' at P = 100 kPa.

50000 N/m²

43789 N/m²

48750 N/m²

35876 N/m²

Solution:

Which of the following factors affect the growth of the boundary layer?

Temperature of the fluid

Free stream velocity

Shape of the element from which it is flowing

Material of the boundary plate

Solution:

In the Lagrangian method, the observer concentrates on the movement of single particles.

Movement of single particles

Resistance caused in motion

Observer changes in the fluid

Fixed-point particles

Solution:

For which of the following materials is the elastic relaxation time negligibly small, minimum, and high, respectively?

Silver, glass, quartz

Glass, silver, quartz

Silver, quartz, glass

No such materials exist

Solution:

A rectangular tank 4 m long, 1.5 m wide contains water upto a height of 2 m. Calculate the force due to water pressure on the base of the tank. Find also the depth of centre of pressure from free surface.

7.2 m

5.3 m

4.33 m

6 m

Fluid-mechanics Questions Set 61:

Which of the following fluids is the most incompressible?

Solution:

Which parameter is required to determine the bulk modulus of a fluid?

Solution:

The capillary rise of water with surface tension 0.073 N/m in a clean glass tube of 1 mm diameter at 20°C is approximately:

Solution:

The barometric pressure at a location is 75 cm of Hg. Express the pressure intensity of 10 N per cm² in meters of water.

Solution:

What are the components of total energy?

Solution:

Given the following condition:

P = (3500 √p + 2500) N/m² {where p = density}

Find the value of the bulk modulus 'k' at P = 100 kPa.

Solution:

Which of the following factors affect the growth of the boundary layer?

Solution:

In the Lagrangian method, the observer concentrates on the movement of single particles.

Solution:

For which of the following materials is the elastic relaxation time negligibly small, minimum, and high, respectively?

Solution:

A rectangular tank 4 m long, 1.5 m wide contains water upto a height of 2 m. Calculate the force due to water pressure on the base of the tank. Find also the depth of centre of pressure from free surface.

Solution:

Related Question Sets:

Related Topics:

Fluid-mechanics Questions Set 61:

Which of the following fluids is the most incompressible?

Solution:

Which parameter is required to determine the bulk modulus of a fluid?

Solution:

The capillary rise of water with surface tension 0.073 N/m in a clean glass tube of 1 mm diameter at 20°C is approximately:

Solution:

The barometric pressure at a location is 75 cm of Hg. Express the pressure intensity of 10 N per cm² in meters of water.

Solution:

What are the components of total energy?

Solution:

Given the following condition: P = (3500 √p + 2500) N/m² {where p = density} Find the value of the bulk modulus 'k' at P = 100 kPa.

Solution:

Which of the following factors affect the growth of the boundary layer?

Solution:

In the Lagrangian method, the observer concentrates on the movement of single particles.

Solution:

For which of the following materials is the elastic relaxation time negligibly small, minimum, and high, respectively?

Solution:

A rectangular tank 4 m long, 1.5 m wide contains water upto a height of 2 m. Calculate the force due to water pressure on the base of the tank. Find also the depth of centre of pressure from free surface.

Solution:

Related Question Sets:

Related Topics:

Given the following condition:

P = (3500 √p + 2500) N/m² {where p = density}

Find the value of the bulk modulus 'k' at P = 100 kPa.