NY CDL Combination case studies
NY CDL Combination · Put your knowledge to work in context.
The New York CDL Combination Vehicles knowledge test is the written exam that covers Section 6 of the New York State Commercial Driver's Manual, published by the DMV as document CDL-10. The combination vehicles test is required for drivers who want to operate a Class A combination vehicle: a tractor-trailer or a truck towing one or more trailers. The exam is multiple choice and is taken at a DMV office as part of the CDL knowledge testing sequence. The material is divided into five areas: inspection and coupling/uncoupling, turning and tracking, air brakes on combination units, rollover and speed control, and skid recovery and emergency procedures. The NY CDL Combination case studies are 5 cases and about 2,635 words.
1Coupling at a Brooklyn Dock: The Trailer That Didn't Rise
At a Brooklyn shipper, you back under a 53-foot van with a tandem-axle tractor. The trailer was dropped at 47 inches; your fifth wheel is set at 49 inches, so the tractor must lift the trailer about 2 inches.
463 words, about 2 min2Right Turn at a Tight Intersection With a 53-Foot Trailer
You are driving a 53-foot van with a 48-foot-wheelbase tractor in light rain. You need to make a right turn from a 12-foot lane into a 14-foot receiving lane.
571 words, about 3 min3Failed Air Leak Test After Three Hours Parked
After three hours parked, you start a tractor with a 53-foot trailer. The dash gauge reads 85 psi.
534 words, about 3 min4Downgrade With Soft Pedal and Hot Lining Smell
You are hauling 44,000 pounds of bottled water in a 53-foot van. The gross combination weight is 78,500 pounds.
558 words, about 3 min5Trailer Swing on an Icy Bridge Deck
You are driving a 53-foot empty van at 40 mph on an elevated bridge with a 200-foot shaded deck. The temperature is 28°F, and freezing rain is falling.
509 words, about 3 min