New Mexico CDL General Knowledge case studies
New Mexico CDL General Knowledge · Put your knowledge to work in context.
The New Mexico CDL General Knowledge test is the written knowledge exam a commercial driver applicant takes through the New Mexico Motor Vehicle Division (MVD) as part of earning a Commercial Driver's License. It is aimed at drivers who will operate commercial motor vehicles in New Mexico and who must first demonstrate a baseline understanding of safe operation before moving on to vehicle-specific endorsements. The New Mexico CDL General Knowledge case studies are 5 cases and about 2,339 words.
1Graded Downgrade With Brake Fade
You are driving a 34,000-lb gross straight truck with air brakes down a 6% grade that runs 5 miles. At the top, the posted truck speed is 35 mph; you are at 40 mph in 4th gear of a 6-speed manual, engine brake on, air pressure 110 psi.
470 words, about 2 min2Steel Beam Securement Arithmetic
You are loading a 24-foot flatbed trailer with one 24-foot structural steel beam. The beam weighs 48,000 lb.
480 words, about 2 min3Air Leak During Trailer Coupling
You are coupling a 3-axle tractor to a loaded 53-foot van trailer. The trailer has spring brakes and no trailer air gauge.
482 words, about 2 min4Mixed Hazmat Load and Placards
You are the driver of a 48-foot van loaded with 1,500 lb of Division 2.1 flammable gas cylinders, 900 lb of Class 8 corrosive liquid in non-bulk drums, and 700 lb of Class 3 flammable liquid in cans. The total hazmat weight is 3,100 lb.
450 words, about 2 min5School Bus Stop With Crossing Students
You drive a 72-passenger school bus on a two-lane rural road with a 45 mph speed limit. At 7:40 a.m., six students are waiting on the right shoulder, and one of them must cross the road from the left.
457 words, about 2 min