The air pressure loss of a single vehicle or bus with truck off and brakes applied could be: CDL Class B The air pressure loss of a single vehicle or bus with truck off and brakes applied could be:Answer: 3psi. ... {rule if brakes are applied or being used add 1psi} Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+
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.