CDL Help App

The CDL Help app helps you pass the CDL test. All the tests in our app are available in English Language.

Download the CDL Help app here

The CDL exam consists of 3 parts: General Knowledge, Combination, and Air Brakes.

Choose the test

General Knowledge


All candidates must pass the General Knowledge test to get a Class A CDL. This test has 50 multiple-choice questions covering important topics like CDL rules and requirements, safe driving, safe cargo transport, and vehicle pre-trip inspections.

Combination Vehicles


You must pass this part of the Class A CDL test to drive combination vehicles. It consists of 20 multiple-choice questions covering key topics such as safe driving of combination vehicles, air brakes, anti-lock braking systems, coupling and uncoupling, and combination vehicle inspection

Air Brakes


If you plan to drive a truck or bus with air brakes or tow a trailer with air brakes, you must pass this part of the Class A CDL test. It includes 25 multiple-choice questions on key topics like air brake system components, dual air brake systems, air brake systems inspection and their operation.