New Brunswick Commercial Drivers License Class 1 Practice Test 3

Commercial Driver HQ is a website focused on helping new commercial drivers in all provinces and territories in Canada.

Our FREE practice tests are designed to help you succeed when it comes time to write the real test.

Each license type has 5 tests to help you study and become familiar with the rules and regulations of commercial driving. The tests are not identical to the license test you will need to pass, but the questions are similar to what you will find on the real deal.

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Commercial Driver HQ

New Brunswick Class 1 Practice Test 3

A 20 question practice test to help prepare you for the Class 1 knowledge test in New Brunswick

1 / 20

The full capacity of the air brake system must be available when?

When traveling at high speed

When going downhill

At all times

In city traffic

2 / 20

Driving a commercial vehicle on the road is?

Hard

A privilege

A freedom

A right

3 / 20

What do these signs mean if you see a construction worker holding them up?

Stop or slow down, your choice

Stop slowing down

Crossing guard signs

Stop or slow down depending on which part of the sign is facing your vehicle

4 / 20

When approaching a school bus, you must stop when?

If it is at a crosswalk

If there is a stop sign

Only when behind the bus

The bus is operating its alternating red lights

5 / 20

After disconnecting from a trailer, a driver should?

Both A and B

Block the wheels with wheel chocks

Lower the landing gear

Make sure the trailer brakes are applied

6 / 20

What does this sign mean?

Horse drawn carriage

This vehicle gets the right of way

Slow moving vehicle

Yield to oncoming traffic

7 / 20

When you are going twice the speed, your brakes will need to work ________ time harder to stop your vehicle.

Four

Two

Three

Five

8 / 20

What does this yellow diamond sign mean?

Slight bend in the road ahead

Sharp curve to the right

Winding road ahead

Right turn only

9 / 20

What does a driver need to transport dangerous goods?

A letter

Dangerous goods

Training

A log book

10 / 20

What is the best way to dry out your brakes after driving through water?

Stop the vehicle and wipe them down with your towel

Hit your brakes aggressively to heat up the pads

Lower speed and pump the brakes

Apply slight pressure to the brakes for a while

11 / 20

If brake chambers on opposite side of an axle are different sizes, this may cause?

Efficient stopping

Unbalanced weight

More power than necessary

Unbalanced braking

12 / 20

What should a trailer hand valve be used for?

Lowering the trailers landing gear

To link a trailer that is not equipped with spring brakes

Applying the spring brakes

Stopping the trailer at stop lights

13 / 20

Which party is responsible for ensuring correct and compliant weight of a shipment?

Drivers and shippers

Drivers only

Drivers and operators

Drivers, operators, and shippers

14 / 20

After an inspection you find major defects in some parts, what do you do?

Note the defects in your log

Repair the defects immediately

Fix only the minor defects

Fix what you can yourself

15 / 20

Manufactures recommend draining moisture and oil in an air system on a _______ basis.

Daily

Quarterly

Weekly

Monthly

16 / 20

What does this speed sign mean?

The speed limit changes up ahead

The limit of cars for the bridge

The current speed limit

The truck weight limit

17 / 20

When curving left, what should you do to ensure the back wheels stay in your lane?

Keep your front wheels inside the lane to the right of you

Keep your wheels close to the centre line

Keep your front wheels as close to the right side of your lane

Take up both lanes to ensure safety for everyone on the road

18 / 20

What is an important part of connecting a trailer to a tractor?

Physically checking the connection

Connecting the trailer in a straight line

Unlocking the 5th wheel before driving

Precision when backing up to the trailer

19 / 20

Tired drivers are often compared to?

Good drivers

Busy drivers

Productive drivers

Impaired drivers

20 / 20

Over-braking with a trailer can sometimes lead to ______.

Slowing down

Turbulence

Jack-knifing

None of these

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The average score is 85%

Want to know more? Learn all about getting your Class 1 drivers license in New Brunswick

More New Brunswick Commercial Driving Practice Tests

New Brunswick Class 1 Practice Tests

New Brunswick Class 3 Practice Tests

New Brunswick Class 4 Practice Tests

Air Brakes Practice Tests

New Brunswick Road Signs Test

We do our best to keep the questions current and accurate. The testing centres may change the questions on the knowledge tests at any time. Always be prepared for surprises.

Many of the answers to the questions can be found in the driver hand books or learning materials your province provides.

DISCLAIMER:CDHQ is not affiliated with the provinces or any test centres. These practice tests should not be considered official tests and you are not granted a license for completing them. Our tests are simply a practice tool to help prepare yourself for the real test.