All air brake equipped vehicles have:
A. An air supply pressure gauge.
B. An air usage gauge.
C. A backup hydraulic system.
Answer: A. An air supply pressure gauge.
A. An air supply pressure gauge.
B. An air usage gauge.
C. A backup hydraulic system.
Answer: A. An air supply pressure gauge.
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.