New Brunswick Commercial Drivers License Class 4 Practice Test 4

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New Brunswick Class 4 Practice Test 4

A 20 question practice test to help prepare you for the Class 4 knowledge test in New Brunswick

1 / 20

What does this cool sign mean?

Surfing area up ahead

No hitch-hiking allowed on this road

Crane signals require to pass ahead

Rideshare pick ups not allowed

2 / 20

What does this yellow diamond sign mean?

Sharp turn or bend in the road in the direction of the arrow

Road ends in the direction of the arrow

Taxi lanes to the right

Keep to the right side of the road

3 / 20

When you are driving an ambulance during an emergency, when can you use the red lights without the siren?

Never, you are required by law to use both the lights and siren during an emergency

Only when transporting a prisoner

Only when on the way to pick up the patient

Only when on the way to the hospital

4 / 20

What does this yellow diamond mean?

School bus stop ahead

Stop signs up ahead

Treat as a four way stop

Traffic lights ahead

5 / 20

Why should you do a shoulder check when making a right turn?

To check for cyclists and other vehicles

Wave to the car behind you before turning

To scratch your chin on your shoulder

Make sure you are in the right lane

6 / 20

What does the sign below tell you?

School zone. Observe the speed limit shown when the yellow lights are flashing

This road has a maximum speed limit of 40km/h at all times

This is a school zone when the lights are flashing

When lights are flashing it is safe to cross the road

7 / 20

What does this yellow diamond sign mean?

Narrow pavement up ahead

Sharp bend in the road

Pavement ends

Narrow bridge up ahead

8 / 20

What vehicle types are required to carry road flares or pylons in case the vehicle is disabled on the side of the road?

All of these

Vehicles carrying a load that is wider than 2.3 meters

Any vehicle with more than 10 passengers

Vehicles wider than 2.3 meters

9 / 20

Which types of vehicles must carry fire extinguishers?

School buses

Vehicles transporting dangerous goods

All of these

Passenger directed vehicles carrying more than 10 people

10 / 20

Passenger directed vehicles that seat more than 12 people must have?

Interior lights that are on all the time

Light up passenger aisles behind the driver

Interior lights that are on between sunset and sunrise

Light up aisles and interior lights between sunset and sunrise

11 / 20

What does this sign mean?

Slippery road ahead

Winding road ahead

Snakes ahead

Swerving up ahead is dangerous

12 / 20

What does this orange sign mean?

Military checkpoint

Road is made of loose gravel

Pavement ends ahead

Road work begins ahead

13 / 20

What does this upside down triangle sign mean?

Railway crossing

Yield the right of way

Come to a complete stop

Slow moving vehicle

14 / 20

If you encounter a breakdown while driving a school bus what should you do?

Get all of the passengers off the bus as soon as possible

Place a warning cone in front and behind the bus

Park the bus away from the roadway and radio for help

Turn on the flashing yellow lights

15 / 20

When performing a turnaround with a school bus, the correct procedure is to

Stop the bus approximately three bus lengths ahead of the road you will be reversing into

Unload passengers just before you begin reversing

Only back onto a highway if there are no vehicles coming in either direction

Wait for traffic to pass around you before reversing safely

16 / 20

What are your space margins?

The space between your vehicle and the vehicle behind you

The distance between your vehicle and other road users

Creatures from outer space

The distance between your vehicle and the curb

17 / 20

What is total stopping distance?

How long it takes to stop when reacting to a road hazard

Another name for the white bar on the road at a stop sign or light

How far your vehicle travels when lightly engaging the brake pedal

How long it takes to stop at a stop sign

18 / 20

What should you do if your car starts to skid?

Nothing, ABS will take care of it

Slow down and steer where you want to go

Accelerate and steer into the skid

Shift into neutral and let go of the steering wheel

19 / 20

What are runaway lanes?

Lanes for picking up hitchhikers

Lanes for trucks and buses only

Special lanes to help stop a vehicle safely if its brakes fail

Special lanes with no speed limit

20 / 20

What should you do before making a left turn?

Signal to other drivers that you want to turn

Yield to oncoming traffic and wait for a safe gap

Enter the left turn lane if there is one

All of these

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The average score is 88%

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.