MANITOBA PROFESSIONAL DRIVER’S LICENCE KNOWLEDGE TEST 04

As a professional driver with a Manitoba driver’s license, it is essential to be well-versed in traffic rules and regulations to ensure a safe and efficient driving experience.

Manitoba Commercial Driver Test 04

1 / 30

What is 'black ice'?

An invisible sheet of ice that occurs when the temperature is extremely cold.

Ice that forms on the front windshield when the temperature is near the freezing point.

Ice that forms on the rear windshield when the temperature is near the freezing point.

Ice that forms on highway signs, obscuring the wording.

2 / 30

If a public service vehicle is disable, where should the driver place the reflectorized warning devices?

The driver should place one device. The device should be placed 40 metres behind the vehicle.

The driver should place two devices. The devices should be placed 60 metres ahead of the vehicle and 60 metres behind the vehicle.

The driver should place one device. The device should be placed 60 metres behind the vehicle.

The driver should place two devices. The devices should be placed 40 metres ahead of the vehicle and 40 metres behind the vehicle.

3 / 30

Which of the following does NOT help when driving with reduced visibility?

Turn your headlights on high beam in dense fog or rain.

Slow down when you see headlights or taillights.

Turn on your hazard lights to help make your vehicle visible to other drivers.

Reduce your normal driving speed if you can't see the road ahead.

4 / 30

Where should you position your seat if your vehicle is not equipped with airbags?

At least 65 cm away from the steering wheel.

At least 15 cm away from the steering wheel.

At least 50 cm away from the steering wheel.

At least 25 cm away from the steering wheel.

5 / 30

What is a jackknife?

When the tractor moves to an angle of 45 degrees or greater to the trailer.

When the tractor moves to an angle of 90 degrees of greater to the trailer.

When the tractor moves to an angle of 45 degrees or less to the trailer.

When the tractor moves to an angle of 90 degrees or less to the trailer.

6 / 30

What is the best way to deal with a tailgater?

Stay in the right lane when possible and slow down further to encourage the vehicle to pass.

Stay in the right lane when possible and make gradual stops.

Move to the left lane to allow the tailgater to pass to the right.

Slow down further and signal to the other driver to encourage them to pass.

7 / 30

Which of the following describes when oversteering most frequently occurs?

When the vehicle is driven too fast into a curve and there is not enough traction to counter balance the centrifugal force.

When the vehicle is driven too slowly into a curve and there is not enough centrifugal force to counter balance the increased traction.

When the vehicle is driven too slowly into a curve and there is not enough traction to counter balance the centrifugal force.

When the vehicle is driven too fast into a curve and there is not enough centrifugal force to counter balance the increased traction.

8 / 30

How should a driver correct for skidding as a result of oversteering?

Steer the vehicle in the opposite direction of the skid.

Steer the vehicle in the direction of the skid.

Apply pressure to the brakes.

None of these.

9 / 30

If your vehicle is 15 metres long, what time interval count would you use under ideal road and traffic conditions?

Five seconds.

Four seconds.

Three seconds.

Six seconds.

10 / 30

What is a winter road system?

Basic access routes to remote northern communities.

Highways that are closed during the winter.

Tire chains used to assist trucks in icy or snowy conditions.

The most direct route between two cities in the winter.

11 / 30

After driving through water, drivers should test the vehicle's brakes for safe operation by:

Putting on the brakes slightly for a short distance to dry them out and restore normal braking.

Pumping the brakes several times to dry them out and restore normal braking.

Braking heavily for a short distance to dry out the brakes and restore normal braking.

Increasing speed slightly and avoiding braking for a short distance to dry them out and restore normal braking.

12 / 30

Which of the following describes the effects of oversteering?

Oversteering could cause the wheels to lock, which could lead to skidding.

Oversteering could cause the wheels to spin, which could lead to skidding.

All of these.

Oversteering could cause centrifugal force to increase, which could lead to skidding.

13 / 30

Which of the following describes the effects of overaccelerating?

All of these

Overaccelerating could cause the wheels to lock, which could lead to skidding.

Overaccelerating could cause centrifugal force to increase, which could lead to skidding.

Overaccelerating could cause the wheels to spin, which could lead to skidding.

14 / 30

Which wheels does lack of traction typically affect first?

The rear wheels.

The front wheels.

All wheels are affected at the same time.

The driver's side wheels.

15 / 30

If it is necessary to drive through water on the roadway, which of the following will help prevent wet brakes?

Increase speed slightly when approaching and then maintain speed while driving through the water.

Maintain speed when approaching and then gently increase speed while driving through the water.

Lightly apply the brakes when approaching and then release the brakes while driving through the water.

Lightly apply the brakes when approaching and place a slight drag on the brakes while driving through the water.

16 / 30

Which of the following will NOT help to reduce hydroplaning?

Drive in the tracks of preceding vehicles.

Check your tires for wear regularly.

Reduce your tire pressure.

Reduce your speed even more when facing standing water and puddles.

17 / 30

How should a driver correct for skidding as a result of overbraking?

Press the clutch down and allow the vehicle to slow.

Release the accelerator and let the wheels stop spinning.

Release the brake pedal so the wheels start to turn.

None of these.

18 / 30

Before going down a steep grade, at what point should the driver change gears?

Gears selection should occur while going down the grade. The driver should change to a high gear.

Gears selection should occur before going down the grade. The driver should change to a high gear.

Gears selection should occur before going down the grade. The driver should change to a low gear.

Gears selection should occur while going down the grade. The driver should change to a low gear.

19 / 30

What is the effect of air turbulence on small vehicles?

The small vehicle may use the air turbulence to accelerate around a curve.

All of these.

The small vehicle may be forced backward, and thus should use a greater application of the accelerator to maintain control speed.

The small vehicle may be forced off a narrow roadway or drawn into the side of the vehicle.

20 / 30

Which of the following describes the effects of overbraking?

Overbraking could cause the wheels to lock, which could lead to skidding.

Overbraking could cause centrifugal force to increase, which could lead to skidding.

Overbraking could cause the wheels to spin, which could lead to skidding.

All of these

21 / 30

What safety equipment is required for public service vehicles carrying passengers?

A first-aid kit and two flares or reflectorized devices.

A fire extinguisher and fire ax.

A fire extinguisher and two flares or reflectorized devices.

A fire extinguisher and first-aid kit.

22 / 30

If the rear end of the vehicle skids to the left, which direction should you steer the vehicle?

Steer to the left until the vehicle has straightened out, then steer straight ahead.

Steer to the right to straighten out the vehicle, then when it is almost straight steer to the left so the vehicle does not skid in the opposite direction.

Steer to the left to straighten out the vehicle, then when it is almost straight steer to the right so the vehicle does not skid in the opposite direction.

Steer to the right until the vehicle has straightened out, then steer straight ahead.

23 / 30

When are engine brake retarders most effective?

At a lower engine rpm.

Within cities or residential areas.

Engine retarders are never effective.

At a higher engine rpm.

24 / 30

Which of the following will NOT help to maintain control of your vehicle in strong winds?

Compensate gently for the wind gusts as soon as the vehicle moves off course even slightly.

Decrease your speed.

Avoid passing other vehicles.

Decrease your following distance.

25 / 30

What is the minimum following distance the driver of a commercial vehicle must maintain while following another commercial vehicle outside of a restricted speed area?

90 metres

75 metres

50 metres

65 metres

26 / 30

Which of the following is a measure you can take to avoid skids?

All of these measures can help you to avoid skids.

Keep proper distance between your vehicle and others on the roadway.

Reduce the vehicle speed according to road conditions.

If the trailer starts to skid slightly, release pressure on the brake pedal.

27 / 30

How does skidding occur?

Overbraking, overaccelerating, or oversteering.

Travelling too quickly for the road conditions.

All are correct.

Tires lose their grip on the road surface.

28 / 30

How should a driver correct for skidding as a result of overacceleration?

Press the clutch down and allow the vehicle to slow.

Release the brake pedal so the wheels start to turn.

Release the accelerator and let the wheels stop spinning.

None of these.

29 / 30

What precautions should a driver take when using a CO2 extinguisher?

All of these.

Do not use the extinguisher if the car has a fuel leak.

Do not use the extinguisher in an enclosed space.

Do not use the extinguisher on oil or grease fires.

30 / 30

Which of the following describes when overaccelerating most frequently occurs?

When the force of acceleration is greater than the traction between the tires and the road surface.

When the force of acceleration is the same as the traction between the tires and the road surface.

When the force of acceleration is lower than the traction between the tires and the road surface.

None of these.

Your score is

The Manitoba Highway Traffic Act details specific rules, such as obeying speed limits, signaling when changing lanes, and adequately securing cargo. Professional drivers must also adhere to industry-specific regulations, such as following the Hours of Service regulations, which set limits on driving hours and mandatory rest periods. Commercial drivers carrying hazardous materials must also comply with specific safety protocols, including proper labeling and documentation. Violating these rules can result in fines, suspension, or even revocation of a professional driver’s license. It is crucial for professional drivers to stay knowledgeable about all traffic rules and regulations to maintain both their safety and the safety of others on the road.

Before learning to drive a Class 1, 2, 3, or 4 vehicle, you must get authorized instruction in the class of vehicle you want to be licensed in. For a Class 1, 2, 3, or 4 licence and air brake and school bus knowledge tests, applicants must pass the knowledge test for the class of licence they are applying for.

To successfully prepare, consider utilizing these exams and the official Manitoba Professional Driver’s Manual to your advantage. The more knowledge you can attain, the better it will be for you once you return to the Manitoba Public Insurance office to take the professional driver’s licence written knowledge test.