How often should you check the tires on a placarded trailer that has dual tires?
a) Each time you stop
b) Once every hundred miles
c) Once every three hours
d) At the start of each day and every time you stop
Answer: d) At the start of each day and every time you stop
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.