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CDL - Combination Vehicle Practice Test 2025, Exams of European Computer Driving Licence (ECDL)

HDS Truck Driving InstituteEuropean Computer Driving Licence (ECDL)

A practice test for cdl (commercial driver's license) candidates focusing on combination vehicles. It includes multiple-choice questions covering topics such as braking systems, air leakage rates, and coupling procedures. The test is designed to help individuals prepare for the official cdl exam.

Typology: Exams

2024/2025

Available from 01/17/2025

Fortis-In-Re
Fortis-In-Re 🇺🇸

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CDL - Combination Vehicle Practice Test 2025 A+ Success

A tractor with a(n) trailer requires the shortest amount of stopping distance . 1. empty 2, fully loaded 3. lightly loaded — ANS-fully loaded The air leakage rate for a combinalion vehicle ( engine off, brakes on) should not be more than psi per minute , 1.4 2.6 3.2- ANS-4 Tf you do not do the final air brake check for air leaks and fix them before driving, 1. you could lose your brakes while driving 2, your fuel usage will increase 3. tire pressure will drop -— ANS—you could lose your brakes while driving Which part of the kingpin should the locking jaws close around? — ANS—The shank Glad hands are used to connect the 1. kingpin from the trailer to the locking jaws of the fifth wheel 2. electrical lines from the tractor to the trailer