BC Air Brake Practice Test 06

With diligent practice and preparation, individuals can approach their official air brake exam with flying colors and achieve their desired outcome. Remember that knowledge is power, and by dedicating time and effort towards mastering the material, anyone is capable of passing their BC air brake test with excellence.

BC Air Brake Test 06

1 / 30

What happens if the brakes are applied too hard for road conditions, and a wheel lockup occurs?

The rate of the pulsating current will rapidly increase

The rate of the pulsating current will slowly decrease

The rate of the pulsating current will rapidly decrease

The rate of the pulsating current will slowly decrease

2 / 30

Brake failures and runaways that result in crashes are almost never caused by...

An air system failure

None of these

The driver

Foundation brakes

3 / 30

To achieve the shortest possible stopping distance on extremely slippery surfaces, what should you do?

Slowly increase brake pressure until you stop the vehicle

Apply firm pressure, release it and then apply firm pressure again

Gradually apply and maintain moderate continuous pressure on the brake pedal

Apply and maintain firm continuous pressure on the brake pedal

4 / 30

Which statement is false? Before starting an air brake pre-trip inspection...

Block the wheels

Place transmission in low gear

Make sure you are safe and seen

Tap the horn

5 / 30

Where is the This ABS warning light positioned on the trailer?

On the top front of the trailer

At the front of the trailer

On the side of the trailer at the rear

At the very rear of the trailer

6 / 30

Who is ultimately responsible to ensure that the brakes are operating properly before the vehicle is moved?

The head of maintenance

The driver

No one in particular

The carrier

7 / 30

Is stopping in an emergency with a combination unit, where the tractor and all trailers are ABS-equipped any different?

Only when the trailers are loaded

Yes

Only during slippery conditions

8 / 30

A long stroke Type 30 is designated as...

LS30 Type

Type LS30

LS30

Type 30LS

9 / 30

What is the most common type of air brake chamber used on trucks and trailers?

Type 50

Type 10

Type 30

Type 20

10 / 30

Trucks with anti-lock brakes have solenoid valves. What are they often called?

None of the above

Modulators

Sensors

Pressure valves

11 / 30

You can't always crawl underneath your vehicle to measure air brake chamber pushrod travel, so what can you do?

Smell the brakes for an odour

Visually check for brake adjustments

None of the above

Listen to the sound from the brakes while braking

12 / 30

What are pressure-protection valves designed to do?

They're designed to monitor the air supply to any non-essential air-operated accessories

They're designed to monitor the air supply to any essential air-operated accessories

They're designed to cut off the air supply to any essential air-operated accessories

They're designed to cut off the air supply to any non-essential air-operated accessories

13 / 30

What do shutoff pressures of the pressure-protection valves vary between?

30 and 50 psi

80 and 110 psi

75 and 100 psi

60 and 90 psi

14 / 30

Which statement is false? Which vehicles still uses the spring parking brake emergency release system?

Dump trucks

Fire trucks

Buses

School buses

15 / 30

When should you check to see if the trailer is equipped with anti-lock brakes?

Before your first hard stop

After your first hard stop

After starting the engine to check for the warning light

When coupling the trailer

16 / 30

Which statement is false? Anti-lock braking systems (ABS) are typically made up of...

Decision-making

Tire pressure

Brake releasing or modulation

Speed sensing

17 / 30

Is there any time you should go under the rear of the vehicle to check the air tanks to confirm they are secure, the air lines are tied up and secure?

During the air brake pre-trip inspection

That's what mechanics are for

Never

If you hear any rattle sound while in motion

18 / 30

Are trucks and tractors equipped with a dash mounted failure warning lamp that monitors the ABS system?

No but can be mounted after-market

Only older vehicles are

Yes

19 / 30

What is meant by slack adjustment?

Adjusting the brakes to keep air chamber filled to ensure that the brakes are effective

Adjusting the brakes to keep air chamber pushrod travel within tolerance to ensure that the brakes are effective

Adjusting the brakes to keep air chamber flowing through to ensure that the brakes are effective

None of the above

20 / 30

Are you required to check manual and automatic slack adjusters daily during the pre-trip inspection?

Every week only

Yes

Once a month only

21 / 30

What is the most important part of any braking system?

The reservoirs

The foundation brakes

The compressor

The brake lines

22 / 30

Anti-lock brakes are commonly referred to as...

The apply-and-release cycle

None of the above

Automatic pumping

Threshold braking

23 / 30

A type 30 chamber has a maximum available stroke of...

3 inches

2 1/2 inches

2 1/4 inches

2 3/4 inches

24 / 30

Some vehicles have air pressure gauges to indicate pressure in the reservoirs and the...

Application pressure

Air-over hydraulics

Nothing

Compressor

25 / 30

What is the penalty if you're operating a vehicle with brakes that are defective?

A warning

A fine up to $2000

The driver is deemed out-of-service

A fine of at least $3500

26 / 30

If the anti-lock braking system warning light does not work, do the normal air brakes still work?

Yes

Only on dry roads

Yes, but only intermittently

27 / 30

How would the driver know if the trailer's air brake anti-lock braking system is not functioning properly?

There will be a buzzer heard inside the cab

There will be a constant beeping heard inside the cab

It will have an indicator visible in the tractor's mirror

You don't

28 / 30

How can you tell how much air pressure is in the main reservoirs?

You can feel it through the foot valve

A pressure gauge

There is a lag once the foot valve is pressed

You can't

29 / 30

When the anti-lock brakes pulsate, the pulsating current is monitored by...

The actuators

An electronic pulsation device

An electronic control unit

The onboard sensors

30 / 30

Which statement is false? You must not drive the vehicle if...

Air loss rate exceeds prescribed limit

The air loss rate is at the adjustment limit

Pushrod stroke of any brake exceeds the adjustment limit

Low air warning system fails or system is activated

Your score is

BC Air Brake Practice Test 06

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