Hydrostatics and Pressure Quiz

What is the Greek letter used to represent density in physics?

• Delta

• Rho

• Beta

• Alpha

What is the density of water at 4 degrees Celsius in SI units?

• 1500 kg/m³

• 1000 kg/m³

• 2000 kg/m³

• 500 kg/m³

How is specific gravity defined?

• Density of substance plus density of water

• Density of substance divided by density of water

• Density of water minus density of substance

• Density of water divided by density of substance

What is the technical definition of pressure?

• Force times area

• Force divided by area

• Area divided by force

• Force plus area

Which unit is commonly used for pressure in chemistry?

• Pascal

• Newton

• Atmosphere

• Joule

What happens to pressure when the applied force is tripled and the area is halved?

• Pressure remains the same

• Pressure is increased six times

• Pressure is doubled

• Pressure is tripled

What does a gauge pressure measure?

• Pressure at sea level

• Pressure excluding atmospheric pressure

• Only atmospheric pressure

• Total pressure including atmospheric pressure

Why does pressure increase as you dive deeper into water?

• More air above you

• Less air above you

• More water above you

• Less water above you

What is the absolute pressure at a depth if the gauge pressure is 9.8 x 10⁴ Pascal and atmospheric pressure is 101,325 Pascal?

• 201,325 Pascal

• 9.8 x 10⁴ Pascal

• 198,325 Pascal

• 101,325 Pascal

What is the relationship between depth and pressure in a fluid?

• Pressure is unrelated to depth

• Pressure decreases with depth

• Pressure remains constant with depth

• Pressure increases with depth