321/510.
31.
If a vehicle has air brakes, the air compressor drive belt should be checked before each drive. The belt should be:
Loosely attached.
Tight.
Cracked.
Frayed.
14 17063 CDL 320 B "" 0

Answer correctly : 0   |   Wrong : 0

Answer Sheet :

Refresh

Refresh this page and redo the question

Restart

Restart this set of tests