Ohio CDL Doubles and Triples Endorsement Test case studies
Ohio CDL Doubles and Triples Endorsement Test · Put your knowledge to work in context.
The Ohio CDL Doubles and Triples (T) endorsement is the credential that lets a commercial driver legally pull two or three trailers behind a single tractor. It is aimed at drivers who already hold a Class A CDL and expect to work in linehaul, LTL relay, package-freight, tanker or agricultural hauling where twin trailers are standard. The Ohio CDL Doubles and Triples Endorsement Test case studies are 5 cases and about 2,847 words.
1Coupling the Second Pup to a Converter Dolly on a Sloped Lot
At 06:20 you are at a Toledo shipper with a tractor, two 28-foot pups, and a converter dolly. The first pup is coupled to the tractor; the dolly is attached to the rear of the first pup.
641 words, about 3 min2Pre-Trip on a Loaded Triple: Which Defects Stop the Load
At 05:45 you are doing the pre-trip on a triple-trailer combination at an Ohio terminal. The three 28-foot pups are loaded: 12,000 lb in pup 1, 9,000 lb in pup 2, and 14,000 lb in pup 3.
599 words, about 3 min3Right Turn With a Double-Bottom in Downtown Traffic
At 14:10 you are driving a 63-foot double-bottom combination, tractor, 28-foot pup, converter dolly, and 28-foot pup, through downtown Columbus. You need to turn right from a three-lane one-way street onto a two-lane one-way street.
556 words, about 3 min4Brake Fade on a Wet Downgrade With Loaded Doubles
You are descending a 6% grade for 6 miles on a two-lane state route in southern Ohio with a loaded double-bottom: tractor, 28-foot pup at 18,000 lb, converter dolly, and 28-foot pup at 16,000 lb. The posted advisory is 45 mph; you enter the grade at 50 mph.
531 words, about 3 min5Crosswind Sway With Empty Pups on the Interstate
You are pulling two empty 28-foot pups on I-71 near Mansfield at 65 mph in the right lane. A crosswind gust hits as a tractor-trailer passes.
520 words, about 3 min