Page 118 - Pneumatic ebook (2)_draft 13 sept 2021

Introduction to Pneumatic System

17.
What is the function of this component?

A. control flow of air in one direction B. control direction of the air in one
direction
C. control flow of air in both direction
D. allow flow of air in one direction only

18. How many port does this valve has?

A. 5 B. 2
C. 3 D. 4

19. What is the function of this valve?

A. allow flow of air to the outlet when there B. allow flow of air to the outlet when
are pressure at both inlets there is pressure at any of the inlet

C. exhaust the cylinder air quickly to D. unidirectional valve and permit the
atmosphere. free flow in one direction only

20. Which of the following statement is not correct about this
component?

A. this valve is a combination of a B. When air flows from Port 1 to 2, it will
flow control valve and a non choose the throttle path to flow since check
return valve valve is blocked. Thus, air flow is controlled.

C. controls air flow in both D. When air flows from Port 2 to 1, it will
direction which is through the air choose check valve path because it fully open.

throttle Thus air is free flow

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