CDL glossary

The words the CDL knowledge tests use, with a short meaning and how the test asks about them.

This page is in English. Where a word has a checked translation, it appears after the English term.

Most tested words

hazardous materials HazMat
небезпечні матеріали
Substances that endanger health, safety or property when transported.
tires
шина
The rubber casings on the wheels that grip the road.
commercial driver's license CDL
CDL (комерційне водійське посвідчення)
A commercial driver's license (CDL) is required to drive a commercial motor vehicle (CMV).
tractor
тягач
The power unit built to pull a semitrailer on its fifth wheel.
placard
таблички небезпечних вантажів
A diamond-shaped sign on a vehicle showing its cargo's hazard class.
skid
занос
The tires lose their grip and the vehicle slides.
commercial motor vehicle CMV
комерційний транспортний засіб
A commercial motor vehicle (CMV) is a heavy truck, big bus, or placarded vehicle.
warning devices
попереджувальні пристрої (трикутники)
Reflective triangles or flares that warn traffic your vehicle is stopped.
brake pedal
педаль гальма
The foot control that sends air to the brakes.
mirrors
бічне дзеркало
Side-mounted glass showing the driver traffic beside and behind the vehicle.
parking brake
стоянкове гальмо
The brake that holds the vehicle still when parked.
traction
зчеплення з дорогою
The grip between the tires and the road surface.

Topics

  • Air brakesПневматичні гальма

    Air brakes stop a heavy vehicle with compressed air instead of brake fluid.

    brake pedal, parking brake, air brakes

  • Combination vehicles, doubles and triplesАвтопоїзди, подвійні та потрійні причепи

    A combination is a tractor or truck pulling one or more trailers.

    tractor, jackknife, triples

  • Hazardous materialsНебезпечні матеріали

    Hazardous materials are cargo that can harm people or property if it spills, burns or leaks.

    hazardous materials, placard, shipping paper

  • Tank vehiclesАвтоцистерни

    A tank vehicle carries liquid or gas in bulk.

    tank vehicle, center of gravity, liquid surge

  • Passenger and school busПасажирський транспорт і шкільні автобуси

    These words come from the Passenger and School Bus tests: loading and unloading, emergency exits, railroad crossings and the danger zone around a bus.

    railroad crossing, school bus, emergency exit

  • Pre-trip inspection partsПередрейсовий огляд: вузли та деталі

    These are the parts you name and check during the pre-trip inspection test.

    tires, warning devices, mirrors

  • Driving and safetyВодіння та безпека

    Words from the General Knowledge test about controlling the vehicle: stopping distance, skids, following distance, securing cargo, and the limits on speed, alcohol and fatigue.

    skid, traction, stopping distance

  • License, rules and roadsideCDL, правила та придорожні перевірки

    Who needs a CDL, which class, which endorsements and restrictions, and the rules that follow you on the road: hours of service, medical cards, inspections and disqualification.

    commercial driver's license, commercial motor vehicle, pre-trip inspection

  • Numbers and units on the testЧисла та одиниці виміру на іспиті

    The test uses US units: feet, miles per hour, psi, pounds and gallons.

    feet, miles per hour, miles

  • Work and freight wordsСлова про роботу та вантажоперевезення

    Words you hear from dispatchers, brokers and shippers in your first weeks.

    shipper, flatbed, dispatcher

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