Page 119 - Pneumatic ebook (2)_draft 13 sept 2021
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Introduction to Pneumatic System
Chapter 1 – Introduction to Pneumatic System – Actuators
Answer all the questions (Click here for online exercise)
1. The pneumatic actuator can be categorized into two groups. Name the two groups.
Answer: ____________________________________________
2. Which cylinder is the following statement referring to?
'The cylinder uses the pressure imparted by compressed air to create a driving force in
one direction (usually out), and a spring or by external force from the load or spring to
return to the "home" position.'
Answer: ____________________________________________
3. Name the cylinder shown and label the parts in the Figure 1
Figure 1
Answer: ____________________________________________
4. Which of the following statements describes best about double acting cylinder?
A. thrust is developed in extending direction only as air pressure is applied
alternately to opposite sides of a piston.
B. thrust available on the extending stroke is reduced due to the smaller effective
piston area, but is only a consideration if the cylinder is to “pull” the same load
in both directions
C. thrust available on the retracting stroke is reduced due to the smaller effective
piston area, but is only a consideration if the cylinder is to “pull” the same load
in both directions.
5. Name TWO (2) types of cushions in pneumatic cylinder.
Answer: ____________________________________________
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