|
Because the air gets old and needs to be replaced
|
|
|
Because compressed air contains some water which must be drained from the tanks
|
|
|
To allow for a change in air pressure
|
|
|
To remove bad air from the tanks
|
34/50.
34.
Why do you need to drain air tanks regularly?
Answer correctly : 0 | Wrong : 0
Answer Sheet :
Refresh
Refresh this page and redo the question
Restart
Restart this set of tests