Jobs By Abekus

Fluid-mechanics Questions Set 54:

Quiz Mode

What causes cavitation?

High velocity

Low pressure

High pressure

High temperature

Solution:

Which type of lines in fluid flow do not cut each other?

Streamlines

Streaklines

Still lines

All of them

Solution:

The friction factor in a laminar flow through a pipe is 0.016. What is the Reynolds number?

796

990

804

1000

Solution:

A rectangular channel with a width of 6 m has a discharge of 10 m³/s. Calculate the critical depth of water.

0.47 m

0.54 m

0.65 m

0.90 m

Solution:

When a block of ice floating on water in a container melts, the level of the water in the container

rises

first fall and then rises

falls

remains the same

Solution:

In a Bernoulli’s equation, used in pipe flow, each term represents

Energy per unit weight

Energy per unit mass

Energy per unit volume

Energy per unit flow length

Solution:

Which of the following is an example of Rotational flow?

Motion of liquid in emptying wash basin

Motion of liquid in pipe

Motion of liquid in rotating cylinder

Motion of liquid in Laminar flow

Solution:

In a stress-strain curve, the behavior of a Newtonian fluid is represented by:

a curved line

a straight line

a parabolic line passing through the origin

a straight line passing through the origin

Solution:

How does the buoyant force acting on an airship change as it rises in the air?

The buoyant force increases

The buoyant force remains constant

The buoyant force first increases and then decreases

The buoyant force decreases

Solution:

The space between two parallel plates kept 3 mm apart is filled with an oil of dynamic viscosity 0.2 Pa·s. What is the shear stress (in N/m²) on the lower fixed plate if the upper one is moved with a velocity of 1.5 m/s?

0.1

100

Fluid-mechanics Questions Set 54:

What causes cavitation?

Solution:

Which type of lines in fluid flow do not cut each other?

Solution:

The friction factor in a laminar flow through a pipe is 0.016. What is the Reynolds number?

Solution:

A rectangular channel with a width of 6 m has a discharge of 10 m³/s. Calculate the critical depth of water.

Solution:

When a block of ice floating on water in a container melts, the level of the water in the container

Solution:

In a Bernoulli’s equation, used in pipe flow, each term represents

Solution:

Which of the following is an example of Rotational flow?

Solution:

In a stress-strain curve, the behavior of a Newtonian fluid is represented by:

Solution:

How does the buoyant force acting on an airship change as it rises in the air?

Solution:

The space between two parallel plates kept 3 mm apart is filled with an oil of dynamic viscosity 0.2 Pa·s. What is the shear stress (in N/m²) on the lower fixed plate if the upper one is moved with a velocity of 1.5 m/s?

Solution:

Related Question Sets:

Related Topics:

Fluid-mechanics Questions Set 54:

What causes cavitation?

Solution:

Which type of lines in fluid flow do not cut each other?

Solution:

The friction factor in a laminar flow through a pipe is 0.016. What is the Reynolds number?

Solution:

A rectangular channel with a width of 6 m has a discharge of 10 m3/s. Calculate the critical depth of water.

Solution:

When a block of ice floating on water in a container melts, the level of the water in the container

Solution:

In a Bernoulli’s equation, used in pipe flow, each term represents

Solution:

Which of the following is an example of Rotational flow?

Solution:

In a stress-strain curve, the behavior of a Newtonian fluid is represented by:

Solution:

How does the buoyant force acting on an airship change as it rises in the air?

Solution:

The space between two parallel plates kept 3 mm apart is filled with an oil of dynamic viscosity 0.2 Pa·s. What is the shear stress (in N/m²) on the lower fixed plate if the upper one is moved with a velocity of 1.5 m/s?

Solution:

Related Question Sets:

Related Topics:

A rectangular channel with a width of 6 m has a discharge of 10 m³/s. Calculate the critical depth of water.