Chapter 3-6a: Dealing with emergencies

The “Dealing with Emergencies” section of the Ontario truck driver knowledge test is crucial for preparing drivers to handle unexpected incidents safely and effectively.

Ontario Truck Driver Test - Chapter 3-6a: Dealing with emergencies

1 / 25

What is the first action a driver should take after stopping due to a breakdown or collision?

Call the police

Turn on the vehicle’s emergency flashers/hazard warning signals

Inspect the tires

Place reflectors behind the vehicle

2 / 25

Which type of fire includes burning wood, paper, textiles, and tires?

Class C

Class D

Class B

Class A

3 / 25

What is a recommended smoking practice to reduce fire risk around commercial vehicles?

Always butt cigarettes and cigars in ashtrays

Smoke only while driving

Throw cigarettes onto the shoulder

Extinguish cigarettes on the floor

4 / 25

Which type of fire includes grease, oil, gasoline, solvents, and paints?

Class A

Class B

Class D

Class C

5 / 25

Which driver habit can easily cause fires and must be avoided?

Careless smoking, such as throwing lighted cigarettes out windows

Using the heater in cold weather

Wearing synthetic clothing

Driving with windows open

6 / 25

During times of limited visibility, which lights must be turned on in addition to hazard flashers?

High-beam headlights

Low-beam headlights

Parking lights only

Interior cab lights

7 / 25

When is it acceptable to leave a commercial vehicle parked on a roadway?

Anytime you will be gone less than 10 minutes

Only in marked parking zones

Anytime hazard lights are on

Only when it is not practical to move it off, or when there is a clear view of at least 125 m (400 ft.) both ways

8 / 25

How long must emergency warning lights be capable of operating continuously?

At least two hours

At least eight hours

At least twelve hours

At least four hours

9 / 25

What should a driver do first if their commercial vehicle is disabled but can still be moved?

Wait in the vehicle for help without moving it

Move it as far off the roadway as safely possible

Immediately set out warning devices

Turn off all lights and stay in the lane

10 / 25

If a fire occurs in or near a town, what should the driver do?

Try to extinguish the fire without notifying anyone

Wait for police to arrive before calling anyone

Contact the fire department and tell them what type of material is burning

Move the vehicle closer to the nearest building

11 / 25

Which type of fire involves live electrical equipment?

Class C

Class D

Class B

Class A

12 / 25

Which of the following is a common cause of truck fires?

Using low-beam headlights at night

Parking off the roadway

Using hazard flashers during breakdowns

Running with a soft tire

13 / 25

In a speed zone greater than 60 km/h, if the commercial vehicle cannot be moved off the roadway during limited visibility, what is required?

Place a single warning device directly beside the driver’s door

Do nothing if hazard lights are on

Set out one type of emergency warning device about 30 m (100 ft.) in front and behind the vehicle

Place warning devices only behind the vehicle

14 / 25

Which of the following best describes “times of limited visibility”?

Only during nighttime hours

One-half hour before sunset to one-half hour after sunrise or any time poor light prevents clear visibility under 150 metres

Only during rain

Only during fog

15 / 25

When is it recommended to use emergency warning devices?

Only at night on the roadway

For all emergencies, day or night, on-road or off-road

Only when instructed by police

Only during collisions

16 / 25

What should commercial vehicle drivers know regarding fire safety?

Only how to evacuate passengers

Only how to use a fire extinguisher

Only how to call the fire department

How to prevent fires and basic fire-fighting techniques

17 / 25

When must a commercial motor vehicle on a provincial highway carry emergency warning devices such as flares or portable reflectors?

Only when hauling dangerous goods

Only during heavy rain or fog

Only when driving on roads over 60 km/h

From one-half hour before sunset to one-half hour after sunrise

18 / 25

Why must drivers always know the nature of their cargoes?

So appropriate fire-control precautions can be taken

To select the fastest route

To improve fuel economy

To avoid paying extra insurance

19 / 25

If the view of a stopped commercial vehicle is blocked by a hill, curve, or other obstruction within 150 metres, what should be done?

Place an additional warning signal to give ample warning to other road users

Move the vehicle closer to the obstruction

Turn off all lights to avoid confusion

Rely on hazard lights only

20 / 25

How should fire extinguishers be used on commercial vehicles?

Only when the fire department gives permission

In any way that seems effective

According to the manufacturer’s instructions

Only by trained firefighters

21 / 25

Which of the following is an acceptable emergency warning device for commercial vehicles?

Reflective vests only

Handheld flashlights only

Flares, lamps, lanterns, or portable reflectors

Traffic cones only

22 / 25

How far must the warning lights from flares, lamps, or lanterns be visible?

At least 200 metres (650 ft.)

At least 100 metres (330 ft.)

At least 50 metres (165 ft.)

At least 150 metres (500 ft.)

23 / 25

Which type of fire involves burning metals such as magnesium, sodium, and potassium and requires special compounds?

Class B

Class A

Class D

Class C

24 / 25

What is the first step when a fire occurs on a commercial vehicle?

Uncouple the trailer regardless of location

Call the employer before doing anything

Stop the vehicle in a safe position away from buildings and other vehicles

Immediately disconnect the battery

25 / 25

If the cargo is of an explosive nature and a fire occurs, what must the driver do?

Ignore bystanders and focus only on the vehicle

Stop traffic and warn spectators to stay back

Attempt to unload the cargo quickly

Move closer to observe the fire

Your score is

This section covers proper responses to situations such as brake failure, tire blowouts, engine fires, and collisions. Drivers learn the importance of remaining calm, activating hazard lights, and guiding the vehicle to a safe stop. Procedures for safely evacuating passengers and contacting emergency services are also outlined. The section emphasizes quick decision-making, clear communication, and adherence to safety protocols. Mastering these emergency response skills is essential for protecting lives and minimizing damage in critical road situations.