Nova Scotia Commercial Drivers License Class 1 Practice Test 4

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

Nova Scotia Class 1 Practice Test 4

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

1 / 20

What does a trailers hand valve do?

Sends power to the left and right turn signals

Applies the trailers service brakes independently of the truck

Pumps up the trailers landing gear

Engages the spring brakes when the lever is pulled

2 / 20

What type of training do you need to operate air brakes?

AB License

Z-endorsement

A college course

Class M License

3 / 20

What does this rectangle sign mean?

No right turns on a red light

Only right turns allows

No stopping if turning right

Do not turn right

4 / 20

What does this arrow sign mean?

Through traffic only

Two-way traffic ahead

Traffic in one direction only

Right turn only

5 / 20

How often must you inspect your commercial vehicle?

14 hours

Every week

24 hours

12 hours

6 / 20

When hooking up a tractor to a semi trailer

The wheel chocks must be removed

The 5th wheel should be in the locked position

Adjustments should be made if the connection feels loose during a tug test

The trailer must not be in the docks

7 / 20

What is the service brake used for?

None of these

Drifting

Emergency braking

Normal braking

8 / 20

A sign shaped like a yellow diamond with these two narrowing lines in the middle means what?

One-way road coming up

The pavement narrows up ahead

Narrow bridge ahead

Both lanes merge into one lane

9 / 20

When towing a trailer, you will usually be able to tell if it is employing ABS by?

The feel of the brake pedal

Checking for lights in your mirror

Looking at it

Listening for the sound of the ABS

10 / 20

What is a requirement on your daily log?

Driver name

Date

Odometer reading

All of these

11 / 20

What type of license do you need to driver a semi trailer?

Class D / Class 3

Class M / Class 6

Class Z

Class A / Class 1

12 / 20

Driving a commercial vehicle on the road is?

A right

A freedom

Hard

A privilege

13 / 20

What powers the air brakes air compressor system?

The battery

The rotation of the wheels

Overhead wires

The trucks engine

14 / 20

What is the maximum width a commercial vehicle can be?

4 metres

2 metres

2.6 metres

1.8 metres

15 / 20

Which of these significantly decreases the brake force produced at the wheel?

High pressure in the compressed air tanks

Cold air temperatures

Damp road conditions

Overextension of the brake chamber pushrod

16 / 20

Tired drivers are often compared to?

Good drivers

Impaired drivers

Busy drivers

Productive drivers

17 / 20

This yellow sign with the swerving car means what?

Snowfall up ahead

Pavement is slippery when wet

Falling rocks near wet pavement

Watch for volcanic ash

18 / 20

If you feel sleepy while driving you should?

Keep driving

Pull over and rest

Sing really loud

Have an energy drink

19 / 20

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)

20 / 20

Once you've started driving, when should you check your brakes?

Once on the road

Within 10 metres

At the stop light

Within 25 metres

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Your score is

The average score is 82%

Aced the test? Learn how to finish earning your Class 1 license in Nova Scotia

More Nova Scotia Commercial Driving Practice Tests

Nova Scotia Class 1 Practice Tests

Nova Scotia Class 3 Practice Tests

Air Brakes Practice Tests

Nova Scotia Class 4 Practice Tests

Nova Scotia 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.