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 sign mean?

Slippery road ahead

Snakes ahead

Swerving up ahead is dangerous

Winding road ahead

2 / 20

What are runaway lanes?

Lanes for trucks and buses only

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

Lanes for picking up hitchhikers

Special lanes with no speed limit

3 / 20

What is total stopping distance?

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

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

How far your vehicle travels when lightly engaging the brake pedal

How long it takes to stop at a stop sign

4 / 20

What does this yellow diamond mean?

Treat as a four way stop

School bus stop ahead

Traffic lights ahead

Stop signs up ahead

5 / 20

What does this upside down triangle sign mean?

Railway crossing

Slow moving vehicle

Yield the right of way

Come to a complete stop

6 / 20

What should you do before making a left turn?

Yield to oncoming traffic and wait for a safe gap

Signal to other drivers that you want to turn

Enter the left turn lane if there is one

All of these

7 / 20

What does this yellow diamond sign mean?

Sharp bend in the road

Narrow bridge up ahead

Narrow pavement up ahead

Pavement ends

8 / 20

Which types of vehicles must carry fire extinguishers?

Passenger directed vehicles carrying more than 10 people

All of these

Vehicles transporting dangerous goods

School buses

9 / 20

What does this orange sign mean?

Military checkpoint

Road is made of loose gravel

Road work begins ahead

Pavement ends ahead

10 / 20

What does this cool sign mean?

Crane signals require to pass ahead

Rideshare pick ups not allowed

Surfing area up ahead

No hitch-hiking allowed on this road

11 / 20

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

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

Wait for traffic to pass around you before reversing safely

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

Unload passengers just before you begin reversing

12 / 20

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

Wave to the car behind you before turning

To check for cyclists and other vehicles

Make sure you are in the right lane

To scratch your chin on your shoulder

13 / 20

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

Only when on the way to the hospital

Only when transporting a prisoner

Only when on the way to pick up the patient

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

14 / 20

What should you do if your car starts to skid?

Shift into neutral and let go of the steering wheel

Nothing, ABS will take care of it

Slow down and steer where you want to go

Accelerate and steer into the skid

15 / 20

What does the sign below tell you?

When lights are flashing it is safe to cross the road

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

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

This is a school zone when the lights are flashing

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

The distance between your vehicle and the curb

Creatures from outer space

17 / 20

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

Vehicles wider than 2.3 meters

Vehicles carrying a load that is wider than 2.3 meters

Any vehicle with more than 10 passengers

All of these

18 / 20

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

Light up aisles and interior lights between sunset and sunrise

Light up passenger aisles behind the driver

Interior lights that are on between sunset and sunrise

Interior lights that are on all the time

19 / 20

What does this yellow diamond sign mean?

Road ends in the direction of the arrow

Keep to the right side of the road

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

Taxi lanes to the right

20 / 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

Park the bus away from the roadway and radio for help

Place a warning cone in front and behind the bus

Turn on the flashing yellow lights

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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.