Scan QR code or get instant email to install app
Question:
How many seconds of following distance are recommended when operating a 30-foot vehicle at 55 mph?
A
4 seconds
explanation
The formula for following distance is one second for each ten feet of a vehicle. In case you are travelling over 40 mph, plus an additional second. A 30-foot vehicle traveling at 55 mph ought to leave a 4-second following distance as a result.
Take more free practice tests for other CDL topics with our cdl exam online now!
Related Information
Comments
Chepito0007
2 years ago
Amazing app. Makes everything so simple and easy to memorize.
Truck student
2 years ago
I found this CDL prep app most helping because of the way it is arranged.
Mbark5
2 years ago
I don’t know if this was the same for anyone else. But after mastering the general test portion. (Very helpful by the way many questions similar to that of the test and helped a ton). But when it came to testing afterwards (whether it was easy or challenging; the timed versions) each test after unlocking the next one was the exact same questions as the one previously. I mastered the general of several hundred questions just to have the same 50 test after test? Where these supposed to be randomized and there was an issue? Or where is the benefit to unlocking several levels to the tests only to take the same one again.