Air Preperation And Aftercoolers

Question 1

What are the 3 sources of air contamination?

Answer 1

1. Built- in
2. Generated
3. Ingested

Question 2

What are the main contaminants in an air system?

Answer 2

Dirt

Liquids

Question 3

What is the first line of defense for industrial compressed air system?

Answer 3

Intake filter, after cooler

Question 4

What is the max pressure loss across a filter to know it needs changed?

Answer 4

10psi

Question 5

What can significantly extend life of air system components?

Answer 5

Lubrication system

Question 6

Too much ________ is not a good thing.

Answer 6

Oil

Question 7

5 FRL design considerations

Answer 7

1. Sized for max flow
2. As close as practical to serviced component
3. Easily accessible
4. Install shutoff for easy mtc
5. Locate lubricator higher than things to be lubricated

Question 8

Hot air contains _______.

Answer 8

Water vapor

Question 9

What does an aftercooler do?

Answer 9

Cools compressed air after compression is completed.

Question 10

How is aftercoolong accomplished?

Answer 10

Passing cooling water or air over the aftercooler chamber

Question 11

What must an aftercooler have?

Answer 11

Moisture separator.

Question 12

What causes air to lose its ability to carry water?

Answer 12

When it cools

Question 13

What are the two air dryer types we learned about?

Answer 13

1. Refrigeration

2. Adsorption