S2 Pneumatics Multiple-Choice Revision Questions

What is the main function of a pneumatic system?

• To generate electricity

• To move liquids through pipes

• To use compressed air for mechanical work

• To produce chemical reactions

Which of the following is NOT an advantage of pneumatics?

• Clean operation

• High energy efficiency

• Safe when used correctly

• Readily available

Compared to hydraulics, pneumatics generally produces:

• Larger forces

• Smaller forces

• The same amount of force

• No force

Which of the following is a key safety precaution when working with pneumatic systems?

• Direct compressed air at your skin to test it

• Tie back long hair and wear goggles

• Keep loose airlines unconnected

• Always increase air pressure to the highest level

What is the role of a compressor in a pneumatic system?

• To increase electrical current

• To store hydraulic fluid

• To compress and store air

• To convert air into liquid

Which component is used to split compressed air into different lines?

• Cylinder

• Manifold

• Valve

• Restrictor

What type of cylinder has air pressure applied to only one side?

• Double-acting cylinder

• Hydraulic cylinder

• Single-acting cylinder

• Pressure cylinder

Which term describes the extension movement of a pneumatic cylinder?

• Instroke

• Outstroke

• Reverse stroke

• Exhaust stroke

Which type of valve has three ports and two states?

• 5/2 valve

• 3/2 valve

• Shuttle valve

• Uni-directional restrictor

What is the function of an actuator in a pneumatic system?

• To compress air

• To open and close valves

• To store compressed air

• To increase air pressure