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 is the most important part of any braking system?

The compressor

The foundation brakes

The reservoirs

The brake lines

2 / 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

3 / 30

A long stroke Type 30 is designated as...

LS30 Type

Type LS30

LS30

Type 30LS

4 / 30

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

Sensors

Modulators

None of the above

Pressure valves

5 / 30

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

Type 30

Type 20

Type 50

Type 10

6 / 30

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

Speed sensing

Tire pressure

Brake releasing or modulation

Decision-making

7 / 30

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

75 and 100 psi

80 and 110 psi

60 and 90 psi

30 and 50 psi

8 / 30

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

Only older vehicles are

Yes

No but can be mounted after-market

9 / 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

You don't

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

10 / 30

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

Only on dry roads

Yes

Yes, but only intermittently

11 / 30

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

Pushrod stroke of any brake exceeds the adjustment limit

The air loss rate is at the adjustment limit

Air loss rate exceeds prescribed limit

Low air warning system fails or system is activated

12 / 30

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

2 1/2 inches

2 3/4 inches

3 inches

2 1/4 inches

13 / 30

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

Fire trucks

Dump trucks

School buses

Buses

14 / 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 decrease

The rate of the pulsating current will rapidly increase

The rate of the pulsating current will slowly decrease

15 / 30

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

The driver

The carrier

No one in particular

The head of maintenance

16 / 30

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

None of these

An air system failure

The driver

Foundation brakes

17 / 30

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

Yes

Once a month only

Every week only

18 / 30

What is meant by slack adjustment?

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

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

None of the above

19 / 30

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

Air-over hydraulics

Application pressure

Compressor

Nothing

20 / 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?

That's what mechanics are for

Never

During the air brake pre-trip inspection

If you hear any rattle sound while in motion

21 / 30

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

Place transmission in low gear

Tap the horn

Make sure you are safe and seen

Block the wheels

22 / 30

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

A pressure gauge

There is a lag once the foot valve is pressed

You can feel it through the foot valve

You can't

23 / 30

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

An electronic control unit

The onboard sensors

An electronic pulsation device

The actuators

24 / 30

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

Gradually apply and maintain moderate continuous pressure on the brake pedal

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

Apply and maintain firm continuous pressure on the brake pedal

Slowly increase brake pressure until you stop the vehicle

25 / 30

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

When coupling the trailer

Before your first hard stop

After starting the engine to check for the warning light

After your first hard stop

26 / 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 cut off the air supply to any 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 non-essential air-operated accessories

27 / 30

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

On the top front of the trailer

On the side of the trailer at the rear

At the front of the trailer

At the very rear of the trailer

28 / 30

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

Threshold braking

The apply-and-release cycle

Automatic pumping

None of the above

29 / 30

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

A warning

The driver is deemed out-of-service

A fine of at least $3500

A fine up to $2000

30 / 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

Your score is

BC Air Brake Practice Test 06

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