Fluid Systems

Hydraulic systems use _________.

• liquid
• gas
• air

Pneumatic systems use _______

• water
• air/gas
• oil

________________ difference can cause fluids to move along pipes.

• Temperature
• Liquid
• Pressure
• Age

In a water tank, swimming pool, or lake, the pressure exerted by the water _______ with depth.

• disappears
• increases
• stays the same
• decreases

When an objects floats or sinks in a fluid, there's an upward force on the object that's equal to the weight of the fluid displaced. This upward force is called...

• atmospheric pressure
• gage pressure
• buoyant force
• specific gravity

The mass of a substance divided by the volume of that substance.  mass/volume.

• volume
• area
• density
• gage pressure

What system is cleaner to use?

• pneumatic system
• hydraulic system

This system includes a reservoir, pump, valve(s) and actuator(s) (motor, cylinder, etc.).

• Pneumatic System
• Hydraulic System

What is a hydraulic system?

• A system that uses a liquid under pressure to transmit a force to do work.

• A system that uses a gas under pressure to transmit a force to do work

• Pascal's law.

• It uses water to push an object.

Which one is a "natural" fluid system?

• Vaccum cleaner.

• Heating and cooling systems.

• Sea star.

• Car hoist.