Saskatchewan Commercial Drivers License Class 3 Practice Test 2

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Saskatchewan Class 3 Practice Test 2

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

1 / 20

Which of these vehicles would usually have an air brake system?

A pickup truck

A school bus

A compact car

A hearse

2 / 20

What don’t a vehicle’s back wheels usually do?

Tricks

Rotate

Pivot

Spin

3 / 20

As an operator you are required to have vehicles and trailers inspected how often?

Semi-annually

Annually

Weekly

Monthly

4 / 20

When performing a normal stop, how should you press the brake pedal?

As hard as possible at first and then pump the brakes

Slowly with light pressure

Apply a little bit at a time until the vehicle stops

Steady pressure at the beginning, ease as the vehicle slows

5 / 20

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

690 kPa (100 psi)

514 kPa (74 psi)

414 kPa (60 psi)

242 kPa (35 psi)

6 / 20

What must you do at a stop sign with a painted stop line?

Come to a complete stop

Take a sip of your coffee

Perform a rolling stop

Look quickly before proceeding

7 / 20

The pushrod stroke occurs when compressed air enters the?

Brake chamber

Engine block

Air compressor

Supply tank

8 / 20

Who can perform adjustments and maintenance on your air brake system?

Only certified technicians

You can if you are the owner

Your employer

Anyone

9 / 20

When backing up to unload a dump truck, what should you do?

Rely on the hand signals of the guide

Make sure the guide is directly behind you

Make sure the backing alarm is on

Back the vehicle up quickly, there are other trucks waiting

10 / 20

What does this sign mean?

Park in the area between the signs

Do not park in the area between the signs

Restricted parking available

Free parking available

11 / 20

When should you be ready to stop for a school bus?

Anytime

In residential areas only

During the day

School hours

12 / 20

How many classes of dangerous goods are there?

Nine

Six

Ten

Five

13 / 20

What does this sign mean?

Pull over for police

Intersection ahead on the right

Keep to the right of the traffic island

Road block up ahead, keep right

14 / 20

If you feel sleepy while driving you should?

Pull over and rest

Keep driving

Sing really loud

Have an energy drink

15 / 20

Where is the air pressure gauge for the air brake system?

Beside the supply tank

On each wheels brake

On the vehicle dashboard

Beside the air compressor

16 / 20

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

17 / 20

This yellow warning sign means what?

Road ends ahead

Paved surface ends up ahead

Gravel road ends soon

Two-way traffic ends up ahead

18 / 20

What does this sign mean?

Watch out for falling rocks

Erosion to the west

Avalanche up ahead

Watch for loose rock

19 / 20

What does this orange sign mean?

Follow the direction of the flashing sign

Do not turn left

Right turn only

Left turn only

20 / 20

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

A service brake priority trailer

A spring brake priority trailer

Both of these

None of these

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The average score is 85%

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.