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How CDL practice tests work?
CDL prep test is based on the official CDL manual
In other words, all questions are identical to the actual exams that give you everything you should know to pass the CDL exams.
Detailed explanation
We are proud that our website is one of few number platforms providing detailed explanations after cdl exam questions. You could understand the roots of the problems and get the CDL license on the first visit.
Easy and friendly to study
Our cdl practice test is designed as a game that helps you feel avid and concentrated to study.
Step to get a CDL license without additional fees
Registered application to the DMV office
It’s the initial step at any State, you have to pay the amount of money that depends on the State’s Regulation.
Study with CDL practice tests
When you lay down your hard-earned money, you don’t want to retake the test, don’t you? That why we’re here with you. Practice our FREE cdlprep to build your knowledge and confidence to slay the CDL exams.
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1. CDL overview
1.1 Definition
Operating a commercial motor vehicle requires a higher level of skills and knowledge. Most drivers need to obtain a commercial driver’s license (CDL) via their home State to be authorized that they are eligible to drive some type of motor vehicle on public roads.
In order to pass a CDL test, applicants must pass both skills and knowledge testing. Additionally, if you are preparing to pursue a driving career related to some special vehicles such as triple-trailers, tankers, etc, obviously you must meet a higher standard by passing the CDL endorsement test.
Generally, the CDL permit test requirement is based on the national regulations, however, each state might add additional restrictions. The requirements mainly focus on the applicant’s age, driving record, physical and mental health…
1.2 CDL endorsements
CDL endorsements are necessary for a commercial driver to operate some special motor vehicles. Besides the class A, B, or C CDL requirements, some additional tests are required to get these below CDL endorsements.
H Endorsement
The H endorsement allows drivers to operate vehicles that transport hazardous materials.
N Endorsement
The N endorsement is required when drivers operate tankers that contain gases or liquids.
P Endorsement
The P endorsement is needed to drive passenger vehicles which seats are over 16, including the driver.
S Endorsement
The S endorsement allows people to drive school buses, you must earn the P endorsement before applying for the S endorsement.
T Endorsement
The T endorsement is essential for CDL drivers looking to tow double or triple trailer vehicles.
X Endorsement
The X endorsement is a combination endorsement for tanker and hazardous material vehicles.
Which CDL sections should you study?
It depends on what type of vehicles you are looking for, the following table will help you to determine the CDL tests you take.
Section
Hazmat
Double
Tanker
Passenger
School buses
General knowledge
✔
✔
✔
✔
Passenger
✔
Air brakes
✔
Combination
✔
✔
Double and triple
✔
Tanker
✔
Hazardous Materials
✔
School buses
✔
✔
1.3 CDL class
The federal defines three classes of CDLs, each one is related to a group of motor vehicles:
Class A (combination vehicles): gross combination weight of the vehicle is at least 26,001 pounds and the being towed exceeds 10.000 pounds.
Class B (Heavy straight vehicles): any single vehicle weighs at least 26,001 pounds or any similar vehicle towing other which GVWR (gross vehicle weight rating) does not exceed 10.000 pounds.
Class C (Small vehicles): Any single or combination vehicles that are not included in class A or class B.
You can start with CDL A practice test right on this page.
Which CDL subtest should you complete to achieve CDL class?
Section
Class A
Class B
Class C
General knowledge
✔
✔
✔
Passenger
Air brakes
✔
✔
✔
Combination
✔
2. CDL written knowledge test
To get your CDL license, you must take and pass one or more written tests, it’s up to the CDL class you are looking for and the endorsements that you are required.
2.1 General knowledge
Taken by all applicants, there are 50 multiple-choice questions in the CDL general knowledge test which focus on rules and requirements, safe driving, safe delivery of cargo, and pre-trip vehicle inspections.
2.2 Combination vehicles
The combination vehicles test has 20 questions, which cover driving safely, air brakes, antilock brake systems, coupling and uncoupling, and inspecting a combination vehicle.
2.3 Air brakes
In case you are preparing to operate a truck, bus, or pull a trailer with air brakes, you will need to take the air brake CDL test. This test contains 25 multiple-choice questions, which concentrate on parts of an air brake system, dual air brakes, inspecting air brake systems, and using air brakes.
2.4 Tanker endorsement
If you are planning to drive a vehicle over 26000 pounds that are used to transport liquids or gases material (that don’t have to be hazardous), you need to pass the tanker endorsement. In addition, this endorsement is only required in case the vehicle is a class A or B over 119 gallons which are counted permanently, or a portable greater than 1000 gallons.
2.5 Double and triple- trailer endorsement
Pulling a double or triple trailer, you must pass the double/triple endorsement test. There are a total of 20 multiple-choice questions that inspect your knowledge about driving safely with double and triple trailers.
2.6 Hazardous materials endorsement
Hazardous materials are explosives, flammable and combustible liquids, and any materials that the shipper considers hazardous. You must complete 30 multiple-choice questions covering regulations, communication rules, loading or unloading, bulk packing marking, driving and parking, emergencies.
2.7 School bus endorsement
A school bus endorsement is used to transport students to school or authorized school activities. If the school bus doesn’t transport students, school bus endorsement isn’t required. Note that, before you apply for school bus endorsement, you must obtain passenger endorsement.
This CDL endorsement will access you to the following topics: danger zones, use of mirrors, loading or unloading, emergency exit and evacuation, railroad-highway crossings, students management, anti-lock braking system.
2.8 Passenger endorsement
Passenger endorsement holders are allowed to carry 16 or more people, including the driver. The test has 20 multiple-choice questions on the vehicle inspection, loading and trip start, after-trip vehicle inspection, prohibited activities, and use of brake-door interlocks.
3. Additional CDL prep test and resource
Resource
Notes
Provider
2022 CDLprep (updated 1000 + questions)
The latest CDL practice test to help you get your CDL license.
cdl-prep.com
Practice questions
These c d l prep questions will assist you to pass your upcoming test.
Driving-test.org
CDL Hazmat Flashcards
50 flashcards covering CDL hazmat written test topic.
Provided by the Nebraska DMV. Even though you don’t come from Nebraska, these CDL practice tests still will help you.
Nebraska DMV
4. CDL FAQs
4.1 How many questions are on the CDL test?
The CDL test includes 50 multiple-choice questions. But you might experience more questions when you are planning to earn some endorsements to operate special vehicles. Taking the CDL practice tests to familiarize yourself with the format real test.
4.2 How do I get my CDL permit with CDL practice tests?
The best way to obtain a CDL license at the first attempt is by practicing with the CDL prep test. At CDL-prep, we suggest numerous free practice questions which are suitable with your levels and explained clarity after each one.
4.3 How much does it cost to take CDL permit test?
Standard CDL license is expected to pay between $75 and $ 100, which may vary from state to state. In addition, for the endorsement, you are expected to pay from $5 to $10 for each one.
To save money, taking free CDL tests online to hone your knowledge and pass all CDL tests.
Start your CDL test studywith our best CDL practice test right now!
