Saskatchewan Commercial Drivers License Class 3 Practice Test 3

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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

Saskatchewan Class 3 Practice Test 3

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

1 / 20

What does this yellow diamond sign mean?

Narrow bridge up ahead

Sharp bend in the road

Pavement ends

Narrow pavement up ahead

2 / 20

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

Overextension of the brake chamber pushrod

Cold air temperatures

High pressure in the compressed air tanks

Damp road conditions

3 / 20

Most air brake systems will use automatic valves to?

Increase pressure at the front wheels

Increase pressure at the back wheels

Reduce pressure at the front wheels

Reduce pressure at the back wheels

4 / 20

Which of these is not part of an air brake system?

Lining

Shoe

Rotors

Drum

5 / 20

What colour will the road generally look in the winter time?

None of these

Brown from the sand and salt

Light grey with some white

Black and icy

6 / 20

Before driving down a grade (hill), you should?

Choose an appropriate gear

Pick up some speed

Honk your horn

Check your mirror

7 / 20

How many previous days must a drivers log keep track of?

Seven

Twenty one

Thirty

Fourteen

8 / 20

What does this yellow sign mean?

Do not exit this lane

No link to through road, you'll have to come back

Once you're on this road you can't leave your vehicle

This ramp is not an exit from the freeway

9 / 20

After an inspection you find major defects in some parts, what do you do?

Note the defects in your log

Fix what you can yourself

Repair the defects immediately

Fix only the minor defects

10 / 20

What does this sign mean?

Winding road up ahead

Narrow road up ahead

Danger of tipping at high speeds on this corner

Road grade might vary over the next 50km

11 / 20

What emergency items are required in a commercial vehicle?

Traffic cones, first aid kit and fire extinguisher

Flares, first aid kit fire extinguisher, and flashlight

Gloves, first aid kit and fire extinguisher

Flags, first aid kit and flashlight

12 / 20

When can your vehicle be inspected on a highway?

During the day

Anytime

At weight stations

Never

13 / 20

What is this sign for?

Reminds drivers that speed limits in Canada are in metric

Reminds drivers that the temperature in Canada is meausured in metric

Means actual speeed limit in a 50km/h zone is 80km/h

Directions to a TED talk

14 / 20

What is Gross Vehicle Weight Rating?

Maximum size of the load the truck can carry

The weight of the load

Maximum weight of the vehicle, driver, and load combined

Determines which bridges the truck can cross

15 / 20

Correct belt tension for an air compressor can be determined by

A karate chop

A tight squeeze of the hand

Firm hand pressure

Finger pressure

16 / 20

What gauges should you check after starting your vehicle?

None of these

Oil, Voltmeter and Air Brake Gauges

Oil, Voltmeter, Water Temperature and Fuel Gauge

Fuel, Oil and Air Brake Gauges

17 / 20

What is the service brake used for?

Drifting

None of these

Emergency braking

Normal braking

18 / 20

What does this sign mean?

Road is not wide enough for two cars

No passing on this road

Two lane road is ending soon

No carpooling in this lane

19 / 20

Which piece of information needs to appear on your drivers log?

All of these

Where you start and end your day

Driver name

Log cycle

20 / 20

When can you adjust your own air brakes?

Never

If it is an emergency

When you are on the road

If you are certified or trained

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More Saskatchewan Commercial Driving Practice Tests

Saskatchewan Class 1 Practice Tests

Saskatchewan Class 3 Practice Tests

Air Brakes Practice Tests

Saskatchewan Class 4 Practice Tests

Saskatchewan 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.