Free NL Commercial Knowledge Test Part 3

Preparing for your Free NL Commercial Knowledge Test? Whether you’re planning to drive a tractor-trailer, semi-truck, or other large commercial vehicles, our free and up-to-date Class 1 Practice Tests are here to help you succeed. These tests are based on the Newfoundland and Labrador Commercial Driver’s Handbook and include everything you need to know to pass the written knowledge test with confidence.

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Commercial Truck License Test Part 3

1 / 30

How can a driver verify that the fifth wheel jaws have locked around the kingpin?

2 / 30

How often should the rear door and emergency exits be checked on a school bus?

3 / 30

Which of the following is an example of a minor defect?

4 / 30

What must a driver do after parking a vehicle equipped with air brakes?

5 / 30

What happens when a driver accumulates 70 hours on-duty in 7 days under federal cycle 1?

6 / 30

What is the danger of an air brake system with a slow governor cut-in pressure?

7 / 30

When should a driver report an on-road inspection received from enforcement officers?

8 / 30

Which document confirms that a commercial vehicle passed its annual mechanical inspection?

9 / 30

Under federal rules, what is the maximum on-duty time before a driver must take 8 hours off?

10 / 30

What is an air over hydraulic brake system?

11 / 30

What is the consequence of failing to complete required preventive maintenance as a carrier?

12 / 30

What must a driver do if the low air pressure warning does not activate before 60 PSI?

13 / 30

When inspecting tires, what condition is unacceptable?

14 / 30

What is the consequence of allowing a commercial vehicle to be operated by an unqualified driver?

15 / 30

What should a driver do if their emergency equipment is missing or expired?

16 / 30

What document shows proof of completing the MELT program for Class 1 or 2 licences?

17 / 30

When are clearance lights required on a commercial vehicle?

18 / 30

What is required before operating a vehicle with air brakes during a road test?

19 / 30

What is the proper procedure when reporting a major defect discovered during a trip?

20 / 30

What is the main function of the air compressor in a commercial vehicle?

21 / 30

When performing a tug test, what is the purpose?

22 / 30

What is the legal responsibility of a driver regarding health conditions that affect driving?

23 / 30

When must a commercial vehicle's safety plan include policies for driver fatigue?

24 / 30

When must a driver produce a daily log if operating under federal hours of service rules?

25 / 30

What is the recommended way to test the service brakes before a trip?

26 / 30

Why should a commercial driver avoid excessive acceleration and braking?

27 / 30

When checking the vehicle interior before starting the engine, what must be verified?

28 / 30

What is the proper method to test trailer brakes independently?

29 / 30

Who determines whether a defect is minor or major?

30 / 30

When is it acceptable for dual tires to be touching?

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What to Expect on the Official Newfoundland and Labrador Class 1 Knowledge Test

Before you can legally operate a tractor-trailer or semi-truck in Newfoundland and Labrador, you must pass the Class 1 Knowledge Test. This written exam evaluates your knowledge of commercial vehicle operation, air brake systems, trip inspections, cargo securement, and provincial traffic laws. The test is based on the Newfoundland and Labrador Commercial Driver’s Handbook.

🚧 Road Signs & Traffic Signals
Approx. 40 multiple-choice questions covering regulatory signs, warning signs, guide signs, pavement markings, and traffic lights

🚛 Rules of the Road
Covers Newfoundland-specific traffic laws, commercial driving regulations, right-of-way rules, handling emergencies, and driving in varied conditions

🔧 Vehicle Operation & Inspection
Focuses on daily trip inspections, cargo securement, coupling and uncoupling procedures, fuel efficiency practices, and defensive driving

🛑 Air Brake Knowledge
Required for most Class 1 drivers—covers brake system components, air system checks, adjustments, and safe braking procedures

FAQs: Newfoundland and Labrador Class 1 Licence Test

A Class 1 licence allows you to operate tractor-trailers, semi-trucks, and any vehicle combination that includes a trailer with a gross weight over 4,600 kg. It’s the highest class of licence for commercial drivers.

To apply for a Class 1 licence in Newfoundland and Labrador, you must:

  • Be at least 18 years old

  • Hold a valid Class 5 driver’s licence

  • Pass a Class 1 medical examination

  • Complete an air brake (Q) endorsement if required

  • Pass the Class 1 written knowledge test

The written test typically includes 40 to 60 multiple-choice questions, covering topics like air brakes, road signs, trip inspections, and cargo securement.

You must score at least 85% to pass the knowledge test. Each section (general knowledge, air brakes, signs) must be passed individually.

Yes. If the vehicle you intend to drive is equipped with air brakes, you must complete the Air Brake (Q) endorsement, which includes a separate knowledge test and a practical test.

Yes. Mandatory Entry-Level Training (MELT) is required for all new Class 1 applicants. The MELT program includes classroom instruction, in-yard training, and behind-the-wheel driving.

Tests are administered at Motor Registration Division (MRD) offices across Newfoundland and Labrador. You may need to book an appointment in advance.

Study the Newfoundland and Labrador Commercial Driver’s Handbook, complete online Class 1 practice tests, and if needed, enroll in a commercial driving school that offers MELT.

Yes. Fees vary, but there is typically a cost for the knowledge test, air brake test, and road test. Contact your local MRD office for up-to-date pricing.

A Class 1 licence is usually valid for five years, subject to regular medical checks and renewal requirements.

Free Newfoundland and Labrador Truck Driver Licence Practice Test

Free NL Commercial Test Practice – Truck, Bus & Air Brake (Class 1, 2, 3, Q)

Getting your Newfoundland and Labrador commercial driver’s licence is your gateway to a rewarding, high-demand career in industries like transportation, construction, forestry, logistics, and public transit. Whether you’re looking to drive a tractor-trailer (Class 1), bus (Class 2), straight truck (Class 3), or need the Q endorsement for air brakes, passing the official commercial knowledge test is your first step—and solid preparation is the key to success.

Our free Newfoundland and Labrador commercial practice tests are designed to help you pass on your first try. Every question is 100% based on the Newfoundland and Labrador Commercial Driver’s Handbook and mimics the real exam format used at Motor Registration Division (MRD) locations across the province.

With realistic multiple-choice questions, unlimited practice, and no registration required, you’ll build the knowledge and confidence needed to pass your test and start your commercial driving career.


🚛 Ready to Start Your Career in Commercial Driving?

Start practicing today and take your first step toward earning your Newfoundland and Labrador commercial driver’s licence. With the right study tools and commitment, you’ll be fully prepared to pass your knowledge test and drive safely and professionally across Canada.


👉 Take Our Free Newfoundland and Labrador Commercial Practice Test
📘 Download the Newfoundland and Labrador Commercial Driver’s Handbook (PDF)
📺 Watch Our Licence Prep Videos on YouTube: @usadmvpermitpracticetest
🌐 Visit: usadmvpermitpracticetest.com

01

01 – About the Newfoundland and Labrador Commercial Knowledge Test

Before getting behind the wheel of a commercial vehicle, you must pass the Newfoundland and Labrador Commercial Knowledge Test, which is based on the NL Commercial Driver’s Handbook.

What’s Covered:

  • Newfoundland and Labrador traffic laws and commercial regulations

  • Daily trip inspections and safety procedures

  • Cargo securement and hazard awareness

  • Road signs, signals, and defensive driving techniques

  • Air brake system knowledge (if applying for the Q endorsement)

Test Format:

  • Multiple-choice questions

  • Completed at a Motor Registration Division (MRD) testing office

  • Minimum passing score: 80% per section

02

Practice Before You Write: Free NL Commercial Licence Practice Test

Get test-ready with our free Newfoundland and Labrador commercial practice tests—crafted using the official NL driver’s handbook.

✅ Realistic multiple-choice questions
✅ Instant feedback with clear explanations
✅ Full coverage of required knowledge areas
✅ Unlimited practice – no login or payment required

👉 Start practicing now and boost your chances of passing on the first try!

03

What to Study for the NL Commercial Driver’s Test

Use the Newfoundland and Labrador Commercial Driver’s Handbook as your primary resource. Key topics include:

  • Daily pre-trip and post-trip inspections

  • Defensive and fuel-efficient driving habits

  • Driving in varied road and weather conditions

  • Cargo securement, weights, and dimensions

  • Air brake operation and system checks

  • Road signs, compliance, and permit requirements

📘 Pair your study time with our free practice tests for best results.

04

Eligibility Requirements for a NL Commercial Licence

To apply for a commercial licence in Newfoundland and Labrador, you must:

  • Be at least 18 years old

  • Hold a valid Class 5 licence

  • Pass a vision test

  • Complete Mandatory Entry-Level Training (MELT) for Class 1

  • Pass the written knowledge test (and air brake test if required)

  • Submit a driver’s medical report

  • Successfully complete the road test

05

Air Brake (Q) Endorsement in NL

Most Class 1, 2, and 3 vehicles in Newfoundland use air brake systems. To drive these, you’ll need the Q endorsement.

To get it, you must:

  • Complete an approved air brake course (theory + hands-on)

  • Pass the air brake knowledge test

  • Successfully perform a practical brake system inspection

  • Add the Q endorsement at an MRD office

👉 Use our Air Brake Practice Tests to prepare with confidence.

06

Booking Your NL Commercial Knowledge Test

You can book your test through your local Motor Registration Division (MRD) office. Make sure you have:

  • A valid Newfoundland and Labrador driver’s licence

  • Proof of MELT course completion (Class 1)

  • A completed medical examination form

  • Payment for all applicable testing fees

🚛 Road tests must be booked in advance. Knowledge tests may require an appointment depending on your MRD location.

07

How to Pass the NL Commercial Licence Test – Tips & Tricks

✔️ Study the Commercial Driver’s Handbook in detail—especially trip inspections and air brakes
✔️ Take multiple practice tests to reduce test-day stress
✔️ Master the air brake system—many applicants struggle here
✔️ Practice daily vehicle inspections—they’re key for the road test
✔️ Speak to instructors or licensed drivers for practical tips

08

Get Started: Free NL Commercial Practice Test

✅ 100% based on Newfoundland and Labrador’s official driver’s handbook
✅ No login or payment required – unlimited practice
✅ Real-time feedback with answer explanations
✅ Practice tests available for Class 1, 2, 3, and Q (Air Brake)

👉 Start Your Free Newfoundland and Labrador Practice Test Now
📘 Download the NL Commercial Driver’s Handbook (PDF)
📺 Watch Licence Prep Videos on YouTube: @usadmvpermitpracticetest
🌐 Visit: usadmvpermitpracticetest.com

09

Commercial Driving Opportunities in NL

Once you earn your Newfoundland and Labrador commercial licence, you can apply for jobs in:

  • Long-haul and local freight transport

  • Construction and equipment hauling

  • Forestry and resource transport

  • School bus and public transit driving

  • Logistics and delivery services

💼 Many employers offer signing bonuses, benefits, and the opportunity to become an owner-operator.

10

Newfoundland MELT Program – What You Need to Know

In Newfoundland and Labrador, all new Class 1 drivers must complete Mandatory Entry-Level Training (MELT) before taking the road test.

MELT Program Includes:

  • Minimum 121.5 hours of training

  • Covers classroom instruction, in-yard activities, and road driving

  • Topics: vehicle inspections, air brakes, defensive driving, cargo securement, and more

  • Must be completed at an approved driving school before booking your road test

📘 Learn more about MELT at the Government of Newfoundland and Labrador website.

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