There are going to be some minor differences on the stopping/braking/reaction/effective distances between different states CDL manuals. My state of Florida was also different from the High Road program in this area. You will not receive enough of these questions to make you fail the test. I chose to memorize my state's braking distance requirements and it never came up on my test. Another thing to consider is that you can skip questions on the test, bringing up a new and different question. You will be fine.
A CDL is required to drive any of the following vehicles:
So what is it you are saying is wrong? The parking brake on truck is the yellow diamond. The trailer supply is red octagon....the stopping distance at 55mph is more than 300 feet and increases at higher speed.
I'm not sure what you are saying?
If I am not mistaken. Shouldn't this ve Tractor Protection Valve and not trailer protection valve?
Exactly, but the correct answer was 450. Nowhere did it say anything about 450 feet. I am just pointing out that when you click the thing that says click here for the answer. On some it doesnt give the answer.
the stopping distance at 55mph is more than 300 feet and increases at higher speed.
I'm not sure what you are saying?
If I am not mistaken. Shouldn't this ve Tractor Protection Valve and not trailer protection valve?
I think the answer is the emergency spring brake valve (red knob), but I agree that it's not clear from the section in the manual.
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Did not know where to post this, but wanted to let you know so it could be corrected. The related CDL manual clip doesn't really go with this question or give the answer to it. I hope I put the right link in the photo thing for it to show up. If not i will reply to this with it.
CDL:
Commercial Driver's License (CDL)
A CDL is required to drive any of the following vehicles: