391/470.
1.
When trying to control a minor truck fire, what should you do before opening the trailer doors?
Check to see if the doors are hot.
Throw water on the doors.
Put on a pair of gloves.
Wait 30 minutes.
49 64939 CDL 390 A "" 0

Answer correctly : 0   |   Wrong : 0

Answer Sheet :

Refresh

Refresh this page and redo the question

Restart

Restart this set of tests