Pneumatics Final

Question 1

To be determined a fluid, what 3 things need to happen?

Answer 1

1) Take shape of container
2) Exert a pressure
3) Flow

Question 2

Pressure can be created what 3 ways?

Answer 2

1) Height of a column of fluid
2) Force on confined fluid
3) Resistance to flow

Question 3

What is pressure?

Answer 3

Force per unit area

Question 4

F=

Answer 4

PxA

Question 5

The ____ and _____ of compressed air makes it kinetic energy

Answer 5

Flow and pressure

Question 6

Pneumatic systems are measured in ____?

Answer 6

Cubic feet per minute

Question 7

Mechanical device consisting of a body and a moving part which connects and disconnects passages within a body

Answer 7

Basic pneumatic valve

Question 8

Valves control what 3 things:

Answer 8

1) System pressure
2) Direction of flow
3) Rate of flow

Question 9

When air is compressed _____ and _____ increase.

Answer 9

Temperature and pressure

Question 10

Air flowing through a pipe in a period of time is?

Answer 10

Rate of flow

Question 11

4 ways to control a DCV

Answer 11

1) Mechanically
2) Manually
3) Selenoid
4) Pilot

Question 12

Body that has internal flow passages that controls the direction of flow with moveable parts

Answer 12

Directional control valve

Question 13

What 5 characteristics describe a particular DCV

Answer 13

1) Positions
2) Ways
3) Control Operation
4) Return
5) Normally passing/ Normally non passing

Question 14

Senses and controls tank pressure

Answer 14

Pressure switch

Question 15

A valve dedicated to regulate tank pressure in the case of a system failure

Answer 15

Safety relief valve

Question 16

Controls pressure of stored energy to a leg of a circuit

Answer 16

Pressure regulator

Question 17

3 common centering positions

Answer 17

1) Pressure
2) Exhaust
3) Blocked

Question 18

3 ways to retract a single acting cylinder

Answer 18

1) Pressure
2) Exhaust
3) Working Port

Question 19

Adjustable orifice with bypass check is used to ____ and _____

Answer 19

Meter in and meter out

Question 20

Component which allows flow in only one direction

Answer 20

Check valve

Question 21

A common way to control the rate of flow is by using a ____

Answer 21

Needle valve

Question 22

Device that goes around adjustable orifice to allow flow in one direction

Answer 22

Bypass check valve

Question 23

Powering a double acting cylinder require what 3 things

Answer 23

1) Minimum 4 ways
2) 3 positions
3) block center