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

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

Class D

Class A

Class C

Class B

2 / 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?

Turn off all lights to avoid confusion

Move the vehicle closer to the obstruction

Rely on hazard lights only

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

3 / 25

Which type of fire involves live electrical equipment?

Class A

Class C

Class D

Class B

4 / 25

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

Only during fog

Only during rain

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

Only during nighttime hours

5 / 25

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

Inspect the tires

Call the police

Place reflectors behind the vehicle

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

6 / 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 warning devices only behind the vehicle

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

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

Do nothing if hazard lights are on

7 / 25

What should commercial vehicle drivers know regarding fire safety?

Only how to use a fire extinguisher

How to prevent fires and basic fire-fighting techniques

Only how to call the fire department

Only how to evacuate passengers

8 / 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

9 / 25

Why must drivers always know the nature of their cargoes?

So appropriate fire-control precautions can be taken

To avoid paying extra insurance

To select the fastest route

To improve fuel economy

10 / 25

How should fire extinguishers be used on commercial vehicles?

Only by trained firefighters

Only when the fire department gives permission

In any way that seems effective

According to the manufacturer’s instructions

11 / 25

When is it recommended to use emergency warning devices?

Only during collisions

Only when instructed by police

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

Only at night on the roadway

12 / 25

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

Only in marked parking zones

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

Anytime you will be gone less than 10 minutes

Anytime hazard lights are on

13 / 25

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

At least twelve hours

At least two hours

At least four hours

At least eight hours

14 / 25

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

Wait for police to arrive before calling anyone

Try to extinguish the fire without notifying anyone

Move the vehicle closer to the nearest building

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

15 / 25

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

At least 200 metres (650 ft.)

At least 150 metres (500 ft.)

At least 100 metres (330 ft.)

At least 50 metres (165 ft.)

16 / 25

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

Class B

Class A

Class D

Class C

17 / 25

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

Wearing synthetic clothing

Careless smoking, such as throwing lighted cigarettes out windows

Using the heater in cold weather

Driving with windows open

18 / 25

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

Throw cigarettes onto the shoulder

Smoke only while driving

Extinguish cigarettes on the floor

Always butt cigarettes and cigars in ashtrays

19 / 25

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

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

Immediately disconnect the battery

Call the employer before doing anything

Uncouple the trailer regardless of location

20 / 25

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

Class D

Class C

Class A

Class B

21 / 25

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

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

Only when driving on roads over 60 km/h

Only during heavy rain or fog

Only when hauling dangerous goods

22 / 25

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

Flares, lamps, lanterns, or portable reflectors

Reflective vests only

Traffic cones only

Handheld flashlights only

23 / 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

24 / 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

Attempt to unload the cargo quickly

Move closer to observe the fire

Stop traffic and warn spectators to stay back

25 / 25

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

Low-beam headlights

High-beam headlights

Parking lights only

Interior cab lights

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.