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

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

The apply-and-release cycle

Automatic pumping

Threshold braking

None of the above

2 / 30

What is meant by slack adjustment?

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

None of the above

Adjusting the brakes to keep air chamber flowing through 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

3 / 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

4 / 30

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

Apply and maintain firm continuous pressure on the brake pedal

Gradually apply and maintain moderate continuous pressure on the brake pedal

Slowly increase brake pressure until you stop the vehicle

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

5 / 30

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

Pushrod stroke of any brake exceeds the adjustment limit

Air loss rate exceeds prescribed limit

Low air warning system fails or system is activated

The air loss rate is at the adjustment limit

6 / 30

A long stroke Type 30 is designated as...

Type 30LS

LS30

Type LS30

LS30 Type

7 / 30

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

Type 10

Type 50

Type 30

Type 20

8 / 30

What is the most important part of any braking system?

The foundation brakes

The brake lines

The compressor

The reservoirs

9 / 30

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

Modulators

Sensors

Pressure valves

None of the above

10 / 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

If you hear any rattle sound while in motion

Never

That's what mechanics are for

11 / 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

12 / 30

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

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

There will be a buzzer heard inside the cab

There will be a constant beeping heard inside the cab

You don't

13 / 30

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

75 and 100 psi

60 and 90 psi

30 and 50 psi

80 and 110 psi

14 / 30

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

Dump trucks

Fire trucks

School buses

Buses

15 / 30

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

On the top front of the trailer

At the very rear of the trailer

At the front of the trailer

On the side of the trailer at the rear

16 / 30

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

Speed sensing

Decision-making

Tire pressure

Brake releasing or modulation

17 / 30

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

The actuators

The onboard sensors

An electronic control unit

An electronic pulsation device

18 / 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

19 / 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 slowly decrease

The rate of the pulsating current will rapidly increase

The rate of the pulsating current will rapidly decrease

20 / 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

21 / 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

22 / 30

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

An air system failure

The driver

Foundation brakes

None of these

23 / 30

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

The head of maintenance

No one in particular

The carrier

The driver

24 / 30

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

Every week only

Once a month only

Yes

25 / 30

What are pressure-protection valves designed to do?

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

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

26 / 30

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

Compressor

Application pressure

Air-over hydraulics

Nothing

27 / 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

Listen to the sound from the brakes while braking

None of the above

Visually check for brake adjustments

28 / 30

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

The driver is deemed out-of-service

A warning

A fine of at least $3500

A fine up to $2000

29 / 30

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

2 1/4 inches

2 1/2 inches

3 inches

2 3/4 inches

30 / 30

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

Make sure you are safe and seen

Block the wheels

Tap the horn

Place transmission in low gear

Your score is

BC Air Brake Practice Test 06

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