Page 115 - Pneumatic ebook (2)_draft 13 sept 2021
P. 115
Introduction to Pneumatic System
Chapter 1 – Introduction to Pneumatic System - Valves
Answer all the questions
1. Which of the following is the function of directional control valve, DCV?
A. control flow of the air B. control the direction of the air
C. control the speed of the air D. control the pressure of the air
2. Which of the following is NOT the actuation method of
a pneumatic DCV?
A. mechanically B. manually
C. hydraulically D. combination
3. How many groups of pneumatic valve can be divided?
A. 4 B. 5
C. 3 D. 6
4. Which of the following does not belongs to non return valve?
A. shuttle valve B. dual pressure valve
C. quick exhaust valve D. sequence valve
5. Valves shown in figure can be categorized as
valve
A. non return valve B. directional control valve
C. flow control valve D. pressure control valve
55
