Quiz on Hydraulics and Pneumatics

What is the definition of hydraulics and pneumatics?

• Transferring solids through tubes to control temperature

• Transferring gases or liquids through tubes to mechanically control force

• Transferring gases through wires to control electricity

• Transferring liquids through pipes to control sound

How do hydraulics and pneumatics differ in terms of the medium used?

• Hydraulics use gases, pneumatics use liquids

• Hydraulics use liquids, pneumatics use gases

• Both use air

• Both use fluid

What is the main advantage of using hydraulics and pneumatics?

• They are silent

• They are cost-effective

• They increase power

• They generate electricity

Which system is more likely to be used in heavy machinery?

• Pneumatic

• Hydraulic

• Electronic

• Mechanical

What does Pascal's Principle state about pressure in a hydraulic system?

• It increases with depth.

• It decreases with height.

• It remains constant.

• It varies with temperature.

What is the purpose of maintaining a perfect seal?

• To prevent leaks

• To increase temperature

• To reduce noise

• To enhance appearance

What of the following are used to create perfect seals?

• O-rings

• Gaskets

• Cavitations

• Molded Rubber

What is the word for air bubbles getting into a Hydraulic system?

Answer explanation

Why are cavitation and bad seals problems for hydraulic or pneumatic systems?

• Will cause loss of efficiency

• Will cause leaking

• Will cause output to be more

• Will cause meter-in

Match what is meter-in or meter-out

Groups:

(a) Meter-In

,

(b) Meter-Out

• goal is to pull a force down

• goal is to push a force up

• Control fluid going into system

• Control fluid going out of the system