Hydraulic systems

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

• Air

• Liquid

• Solid

• Gas

Pneumatics is concerned with a system that uses:

• Oil

• Expanded air

• Compressed air

• Electricity

Air is compressible and liquid is incompressible.

• True

• False

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

• True

• False

Select the machine which does not use hydraulics.

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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.

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

• The power steering system

• The instrument panel

• The brake system

• The radio system

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

• A wheel barrow

• A laptop computer

• A bulldozer

• A vacuum cleaner

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

• At the local mall

• A deli

• A construction site

• Farmers market

Which of the following sentence is true?

• Gases are easy to squish

• Liquids are easy to squish