Newfoundland Commercial Drivers License Class 3 Practice Test 1

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Newfoundland Class 3 Practice Test 1

A 20 question practice test to help prepare you for the Class 3 knowledge test in Newfoundland

1 / 21

What colour are the lights on a school bus arm?

Yellow

Blue

Green

Red

2 / 21

How much air loss is allowed for a tractor and a trailer when the brakes are engaged?

28 kPa/minute

34 kPa/minute

26 kPa/minute

32 kPa/minute

3 / 21

Your truck or other commercial vehicle must be have?

Moving blankets

Spare tires

Portable reflectors

Water

4 / 21

What is the correct use of an ABS system during a braking emergency?

Press the pedal 3 times until the ABS is activated

Press the pedal firmly and hold until the vehicle stops

Pump the brake pedal until the vehicle stops.

Pump the brake pedal until slowed then hold the pedal

5 / 21

What is the wheel base of a vehicle?

How much room is needed to turn safely

Distance between the front and rear axle

The surface of the road covered by the tires

The size of the tires on the rear axle

6 / 21

If you see an open truck inspection station which driving your truck, you must?

Wait for an inspector to direct you into the station

Decide whether or not you want to stop

Stop at the inspection stations for an inspection

Only stop if you have not been inspected recently

7 / 21

What does this yellow diamond warning sign mean?

Only vehicles over 3.9 meters wide allowed

Narrow road up ahead

Underpass ahead, clearance is 3.9 meters

Road ends in 3.9 meters

8 / 21

What does this sign warn you of?

The truck driver is on the run from the law

Big hill coming up, slow down

Trucks will cross-dock freight up ahead

You are crossing a runaway truck lane

9 / 21

What is brake lag time?

The time between pressing the pedal and the brakes engaging

The time between pressing the pedal and coming to a complete stop

Total weekly braking time

The time it takes to recognize the hazard and press the brake pedal

10 / 21

What does this sign mean?

Watch out for falling rocks

Watch for loose rock

Avalanche up ahead

Erosion to the west

11 / 21

Which tank should be drained first when draining the air tanks on an air brake system?

The supply tank

The first air tank

The second air tank

The last air tank

12 / 21

What does this warning sign mean?

Right lane ends ahead

Do not enter

Paved surface ends ahead

Hazard close to the edge of the road

13 / 21

What does a driver need to transport dangerous goods?

Dangerous goods

A log book

A letter

Training

14 / 21

How much space should you give a cyclist when you pass them?

1 metre

Don't pass a cyclist

3 metres

2 metres

15 / 21

When must a carrier check your driving record?

Before they hire you and then every two years

Before they hire you and then once every year

Before they hire you and after they fire you

After they hire you and then every year

16 / 21

What information does a CVOR record contain?

Driving record, company name, number of drivers

Safety training records for each driver, list of goods carried, name of CEO

Safety rating, violations, convictions, and inspections

Driving record, criminal records, education levels, social insurance number

17 / 21

Most air brake systems will use automatic valves to?

Reduce pressure at the front wheels

Reduce pressure at the back wheels

Increase pressure at the back wheels

Increase pressure at the front wheels

18 / 21

What does this sign mean?

No left turns during the posted times

Left turns only on weekends

Road to the left is closed during the posted times

No U-turns during the time posted

19 / 21

When inspecting an air brake system, the person inspecting should wear?

Shorts and Crocs

Steel toe boots, safety glasses, hard hats

Dust mask, safety glasses

Sandals and shorts

20 / 21

Spring brakes will begin to apply when the pressure starts to drop below?

413 kPa (60 psi)

242 kPs (35 psi)

380 kPa (55 psi)

551 kPa (80 psi)

21 / 21

Correct belt tension for an air compressor can be determined by

Finger pressure

Firm hand pressure

A tight squeeze of the hand

A karate chop

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The average score is 78%

What are the next steps to getting your truck license? Learn how to earn your Class 3 drivers license in Newfoundland

More Newfoundland Commercial Driving Practice Tests

Newfoundland Class 1 Practice Tests

Newfoundland Class 3 Practice Tests

Newfoundland Class 4 Practice Tests

Air Brakes Practice Tests

Newfoundland 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.