Oregon CDL — General Knowledge: Handling Emergencies Practice Test

Question 1

When should you move a severely injured person at an accident scene?

Accepted Answer

Only if fire or traffic makes it necessary — Don't move a severely injured person unless the danger of fire or passing traffic makes it necessary.

Answer

Always move them off the road right away

Answer

Sit them upright immediately

Answer

As soon as you give them water

Question 2

What are the basic steps to take at any accident scene?

Accepted Answer

Protect the area, notify authorities, and care for the injured — The basic steps at any accident are to protect the area, notify authorities, and care for the injured.

Answer

Move all vehicles before anything else

Answer

Leave the scene as quickly as possible

Answer

Wait in your cab without taking action

Question 3

What is the correct response when a tire suddenly blows out?

Accepted Answer

Hold the wheel firmly and stay off the brake until you slow — Hold the steering wheel firmly and stay off the brake until the vehicle slows; braking during a blowout can cause loss of control.

Answer

Brake hard right away

Answer

Steer sharply toward the shoulder

Answer

Accelerate to regain control

Question 4

In an emergency where you don't have room to stop, what is often true about steering versus stopping?

Accepted Answer

You can usually steer around an obstacle faster than you can stop — You can almost always turn to miss an obstacle more quickly than you can stop.

Answer

Stopping is always the fastest option

Answer

You should never steer in an emergency

Answer

Braking is the only safe choice

Question 5

What should you do first if your engine catches fire?

Accepted Answer

Turn off the engine and avoid opening the hood — With an engine fire, turn off the engine as soon as you can and avoid opening the hood, which would feed the fire oxygen.

Answer

Open the hood to cool the engine

Answer

Keep the engine running to drive it out

Answer

Pour water directly on the engine

Question 6

What describes the controlled braking method for stopping quickly?

Accepted Answer

Apply the brakes as hard as you can without locking the wheels — With controlled braking you apply the brakes as hard as you can without locking the wheels, keeping steering movements small.

Answer

Lock the wheels fully and hold them

Answer

Pump the pedal rapidly the whole time

Answer

Brake very lightly to keep rolling

Question 7

What describes the stab braking method?

Accepted Answer

Brake fully, release when wheels lock, then reapply when they roll — With stab braking you apply the brakes fully, release them when the wheels lock, and reapply once the wheels are rolling again.

Answer

Hold the brakes locked to the floor

Answer

Brake gently and steadily the whole time

Answer

Never release once the brakes are applied

Question 8

If your hydraulic brakes lose pressure, which actions can help slow the vehicle?

Accepted Answer

Downshift, pump the brakes, and use the parking brake — If the system loses pressure, downshift, pump the brake pedal, and use the parking brake while looking for an escape route.

Answer

Turn the engine off immediately

Answer

Accelerate hard toward an escape ramp

Answer

Do nothing and coast to a stop

Question 9

After you steer around an obstacle in an emergency, what should you be ready to do?

Accepted Answer

Turn the wheel back the other way (counter-steer) — Be prepared to counter-steer, turning the wheel back the other way, once you have passed the obstacle.

Answer

Keep turning the same direction

Answer

Brake hard to straighten out

Answer

Let go of the wheel entirely

Question 10

How should you aim a fire extinguisher when fighting a vehicle fire?

Accepted Answer

Aim at the base of the fire and stay well back — Aim at the source or base of the fire, not up in the flames, and stay as far away as possible, positioned upwind.

Answer

Aim at the top of the flames

Answer

Get as close to the fire as possible

Answer

Stand downwind of the fire

Question 11

What is a common sign that a front tire has failed?

Accepted Answer

The steering suddenly feels heavy — If the steering suddenly feels heavy, it is probably a sign that one of the front tires has failed.

Answer

The ride becomes noticeably smoother

Answer

The brakes tighten on their own

Answer

The engine stalls out

Question 12

Why should you avoid braking while making a quick emergency turn?

Accepted Answer

Braking while turning can lock the wheels and cause a skid — It is easy to lock your wheels while turning, and if that happens you may skid out of control.

Answer

Braking while turning improves your traction

Answer

You should always turn as sharply as possible

Answer

You should hold the brake down through the turn

Handling Emergencies

Study questions with answers

1. When should you move a severely injured person at an accident scene?

2. What are the basic steps to take at any accident scene?

3. What is the correct response when a tire suddenly blows out?

4. In an emergency where you don't have room to stop, what is often true about steering versus stopping?

5. What should you do first if your engine catches fire?

6. What describes the controlled braking method for stopping quickly?

7. What describes the stab braking method?

8. If your hydraulic brakes lose pressure, which actions can help slow the vehicle?

9. After you steer around an obstacle in an emergency, what should you be ready to do?

10. How should you aim a fire extinguisher when fighting a vehicle fire?

11. What is a common sign that a front tire has failed?

12. Why should you avoid braking while making a quick emergency turn?

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