Newfoundland Commercial Drivers License Class 1 Practice Test 3

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Newfoundland Class 1 Practice Test 3

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

1 / 21

Which valves are the tractor protection system?

The trailer supply valve and the hand valve

The trailer supply valve and the foot valve

The trailer supply valve and the relay emergency valve

The trailer supply valve and the tractor protection valve

2 / 21

What are the four factors that affect commercial vehicle stopping distance?

Reaction time, truck weight, distance to the vehicle ahead, distance of the vehicle behind you

Braking conditions, tire traction, truck weight, driving speed

How many people in the truck, truck weight, driver awareness, truck speed

Driving speed, weather conditions, tire pressure, reaction time

3 / 21

What does this X sign mean?

Draw bridge

Do not enter

No commercial traffic

Railway crossing

4 / 21

Trailer air brake systems must apply a spring brake when the pressure drops below?

690 kPa (100 psi)

414 kPa (60 psi)

514 kPa (74 psi)

242 kPa (35 psi)

5 / 21

If you feel sleepy while driving you should?

Have an energy drink

Pull over and rest

Keep driving

Sing really loud

6 / 21

Why are their two service tanks?

For safety

For efficiency

Incase you need more stopping power

For fuel economy

7 / 21

Tired drivers are often compared to?

Busy drivers

Impaired drivers

Productive drivers

Good drivers

8 / 21

What is the maximum length for a straight truck?

11 metres (36 feet)

9.5 metres (31 feet)

10 metres (33 feet)

12.5 metres (41 feet)

9 / 21

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

Slowing down

Jack-knifing

None of these

Turbulence

10 / 21

As a driver you are expected to practice _________?

Common sense

Safe driving practices

On-time deliveries

Proper hygiene

11 / 21

Which statement is true of spring brakes?

They are stronger than service brakes

They are not as strong as service brakes

They can be used in lieu of service brakes

They are as strong as service brakes

12 / 21

What does this sign mean?

Winding road ahead

Snakes ahead

Slippery road ahead

Swerving up ahead is dangerous

13 / 21

How many classes of dangerous goods are there?

14 / 21

What does a slider do on a trailer?

Shorten the wheel base for easier cornering

Shorten the pin setting and adjust axle weights

Shorten the wheel base for easier backing up

Shorten overall wheel base

15 / 21

What does CVOR stand for?

Commercial Vehicle Owners Registration

Commercial Vehicle Operators Registration

Carriage Vapour Oxygen Release

Commercial Vehicle Odometer Reading

16 / 21

Which type of trailer can be towed before the service tanks are full?

A spring brake priority trailer

None of these

A service brake priority trailer

Both of these

17 / 21

What is the wheel base of a vehicle?

The surface of the road covered by the tires

How much room is needed to turn safely

The size of the tires on the rear axle

Distance between the front and rear axle

18 / 21

What does this yellow sign mean?

Caution, railway tracks cross the road here

Watch out for power lines

Streetcar lines up ahead

Hidden intersection ahead

19 / 21

What is the most common cause of air loss in a trailer?

Defective governor

Leaky supply tank

Leaky glad hand seals

Leaky tractor protection valve

20 / 21

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

Hit your brakes aggressively to heat up the pads

Lower speed and pump the brakes

Stop the vehicle and wipe them down with your towel

Apply slight pressure to the brakes for a while

21 / 21

What does this white sign mean?

The white lane is for loading and unloading only

Only buses and Uber or Lyft drivers in this lane

This lane is for public or passenger vehicles with more than two occupants

All buses must be followed by 2 cars in this lane

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What are the next steps to getting your truck license? Learn how to earn your Class 1 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.