Quiz: Fluid Dynamics Quiz


Fluid Dynamics QuizOnline version Test your knowledge on pressure, buoyancy, and Pascal's Law! by Elaine Yeu 1 What does Pascal's Law state about pressure in fluids? a Pressure is constant regardless of fluid density. b Pressure applied to a confined fluid is transmitted undiminished. c Pressure is only felt at the surface of a fluid. d Pressure decreases with depth in a fluid. 2 What is buoyancy? a The downward force on an object in a vacuum. b The upward force exerted by a fluid on an object submerged in it. c The force of gravity on an object in water. d The pressure difference between top and bottom of an object. 3 Which principle explains why ships float? a Bernoulli's principle. b Archimedes' principle. c Newton's third law. d Pascal's principle. 4 What is hydrostatic pressure? a The pressure from a gas in a container. b The pressure exerted by a fluid at rest due to the weight of the fluid above it. c The pressure in a moving fluid. d The pressure caused by wind. 5 How does depth affect hydrostatic pressure? a Hydrostatic pressure remains constant at all depths. b Hydrostatic pressure is only affected by temperature. c Hydrostatic pressure increases with depth. d Hydrostatic pressure decreases with depth. 6 What is the formula for calculating hydrostatic pressure? a P = ρgh (Pressure = density × gravity × height). b P = ρg/h. c P = ρg + h. d P = gh/ρ. 7 What is the unit of pressure in the SI system? a Newton (N). b Atmosphere (atm). c Bar (bar). d Pascal (Pa). 8 What happens to an object submerged in a fluid when buoyant force equals its weight? a The object floats. b The object explodes. c The object sinks. d The object rises. 9 Which of the following is a consequence of Pascal's Law? a Fluids can be compressed infinitely. b Hydraulic systems can multiply force. c Pressure is always uniform in a fluid. d All fluids have the same density. 10 What is the buoyant force on an object equal to? a The weight of the fluid displaced by the object. b The total weight of the fluid above the object. c The weight of the object itself. d The pressure at the bottom of the object.

1

What does Pascal's Law state about pressure in fluids?

a

Pressure is constant regardless of fluid density.

b

Pressure applied to a confined fluid is transmitted undiminished.

c

Pressure is only felt at the surface of a fluid.

d

Pressure decreases with depth in a fluid.

2

What is buoyancy?

a

The downward force on an object in a vacuum.

b

The upward force exerted by a fluid on an object submerged in it.

c

The force of gravity on an object in water.

d

The pressure difference between top and bottom of an object.

3

Which principle explains why ships float?

a

Bernoulli's principle.

b

Archimedes' principle.

c

Newton's third law.

d

Pascal's principle.

4

What is hydrostatic pressure?

a

The pressure from a gas in a container.

b

The pressure exerted by a fluid at rest due to the weight of the fluid above it.

c

The pressure in a moving fluid.

d

The pressure caused by wind.

5

How does depth affect hydrostatic pressure?

a

Hydrostatic pressure remains constant at all depths.

b

Hydrostatic pressure is only affected by temperature.

c

Hydrostatic pressure increases with depth.

d

Hydrostatic pressure decreases with depth.

6

What is the formula for calculating hydrostatic pressure?

a

P = ρgh (Pressure = density × gravity × height).

b

P = ρg/h.

c

P = ρg + h.

d

P = gh/ρ.

7

What is the unit of pressure in the SI system?

a

Newton (N).

b

Atmosphere (atm).

c

Bar (bar).

d

Pascal (Pa).

8

What happens to an object submerged in a fluid when buoyant force equals its weight?

a

The object floats.

b

The object explodes.

c

The object sinks.

d

The object rises.

9

Which of the following is a consequence of Pascal's Law?

a

Fluids can be compressed infinitely.

b

Hydraulic systems can multiply force.

c

Pressure is always uniform in a fluid.

d

All fluids have the same density.

10

What is the buoyant force on an object equal to?

a

The weight of the fluid displaced by the object.

b

The total weight of the fluid above the object.

c

The weight of the object itself.

d

The pressure at the bottom of the object.

Fluid Dynamics Quiz

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Fluid Dynamics Quiz

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Fluid Dynamics QuizOnline version

by Elaine Yeu

What does Pascal's Law state about pressure in fluids?

What is buoyancy?

Which principle explains why ships float?

What is hydrostatic pressure?

How does depth affect hydrostatic pressure?

What is the formula for calculating hydrostatic pressure?

What is the unit of pressure in the SI system?

What happens to an object submerged in a fluid when buoyant force equals its weight?

Which of the following is a consequence of Pascal's Law?

What is the buoyant force on an object equal to?