Free 2023 CDL General Knowledge questions with answers in an Exam

Commercial Driver's License test

The CDL (Commercial Driver's License) is a type of driver's license required in the United States for individuals who operate commercial motor vehicles. To obtain a CDL, an individual must pass knowledge and skills tests specific to the type of commercial vehicle they will be driving. The CDL is issued by the state Department of Motor Vehicles (DMV) and is governed by federal regulations set by the Federal Motor Carrier Safety Administration (FMCSA). The purpose of the CDL program is to ensure that only qualified and competent individuals operate commercial motor vehicles on public roads and highways.

Who should take the general knowledge test?

Individuals who operate commercial motor vehicles (CMVs) for a living are required to have a Commercial Driver's License (CDL)  Class A, B or C and must take the general knowledge test as part of the licensing process. This applies to truck drivers, bus drivers, and other individuals who operate CMVs for commercial purposes. The general knowledge test covers basic information about operating a commercial vehicle, including safe driving practices, vehicle maintenance, and federal regulations for commercial drivers.

General Knowledge Practice Test?

In a General Knowledge Practice Test for a Commercial Driver's License (CDL) in the US, you can expect various types of questions covering a wide range of topics relevant to commercial driving and road safety. Here are the types of questions commonly found in such practice tests:

Examples

Here are six example questions that you might encounter in a General Knowledge Practice Test for a Commercial Driver's License (CDL) in the US:
1. Which of the following is a common cause of truck rollovers?
  A) Driving at excessive speeds
  B) Regular maintenance checks
  C) Adhering to recommended load limits
  D) Using proper signaling techniques
2. True or False: It is legal to drive a commercial vehicle while under the influence of alcohol or drugs.
3.Which component is responsible for compressing air in the system?
  A) Component A
  B) Component B
  C) Component C
4. You are driving a commercial vehicle on a steep downhill grade. What action should you take to maintain control of the vehicle?
  A) Shift to a lower gear
  B) Increase speed to maintain momentum
  C) Apply brakes lightly and gradually until a complete stop

These example questions cover various topics relevant to commercial driving, including safety procedures, road signs, vehicle components, and driving techniques. Practicing with a variety of question formats can help candidates prepare thoroughly for the General Knowledge Test and increase their chances of success.