Hydraulics

If an object is compressible, it can be squeezed to fit into a smaller space than it normally does.

• True

• False

Hydraulic systems use ____________ to transfer force from one point to another.

• Liquid

• Solid

Air is compressible, and water is incompressible.

• True

• False

A________________ is a sliding plug that fits closely inside the bore of a cylinder.

• A jack

• A valve

• A piston

Hydraulics is a branch of science and engineering concerned with the use of liquids to perform

• Mechanical task

• Electronic task

• Electrical task

• Magnetic task

Where can you look on your car to see a good example of a basic piston- driven hydraulic system?

• The instrument panel

• The brake system

• The radio system

What is one of the best places to get up close with the large hydraulic machines?

• At the local mall

• Construction site

• Your room

Which of the following is an example of a hydraulically operated machine?

• A bulldozer

• A wheel barrow

• A laptop computer

• A vacuum cleaner