Quantcast
Crist CDL free online BVM practice tests
» » »
En Espanol
OK Air Brakes Fact Sheet
Questions on Test:
25
Correct answers needed to pass:
20
Passing Score:
80%
Age to apply:
18
Advertisement
Advertisement
Advertisement

Oil and water usually collect in compressed air tanks. If you do not have an automatic tank drain, when should you drain the air tanks?


Advertisement