MAIN AIR SYSTEM

Question 1

List seven different components that operate using compressed air on turbo?
[7]

Answer 1

brakes doors
parking brake toilets
emergency brake horn
wsp

Question 2

Where is the compressor and when does it operate?

[2]

Answer 2

It is foxed to the engine

operated when the engine is running

Question 3

How is main air maintained and at what pressure?

[2]

Answer 3

6.5-7.5 bar

through the compressor govenor

Question 4

How many pounds per square inch [psi] in one bar?

[1]

Answer 4

14.5 pounds

Question 5

What is the purpose of the condenser and purge valve?

[2]

Answer 5

To clean the air and remove moisture

Question 6

In what circumstance would the parking brake bypass cock be used?
[1]

Answer 6

When you have operated the BCIC

Question 7

Draw a diagram of the main air production system?

[10]

Answer 7

picture to follow

Question 8

Draw a diagram of the main air distribution system?

[12]

Answer 8

picture to follow