|
Open.
|
|
|
Closed.
|
|
|
Unplugged.
|
|
|
Reset.
|
23/40.
3.
While driving, the shut-off valve at the back of the rear trailer should be:
Answer correctly : 0 | Wrong : 0
Answer Sheet :
Refresh
Refresh this page and redo the question
Restart
Restart this set of tests