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

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

When coupling the trailer

After your first hard stop

Before your first hard stop

After starting the engine to check for the warning light

2 / 30

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

Air-over hydraulics

Application pressure

Nothing

Compressor

3 / 30

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

Visually check for brake adjustments

None of the above

Listen to the sound from the brakes while braking

Smell the brakes for an odour

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

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 slowly decrease

The rate of the pulsating current will rapidly decrease

6 / 30

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

There is a lag once the foot valve is pressed

A pressure gauge

You can feel it through the foot valve

You can't

7 / 30

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

60 and 90 psi

30 and 50 psi

75 and 100 psi

80 and 110 psi

8 / 30

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

Foundation brakes

None of these

An air system failure

The driver

9 / 30

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

A fine of at least $3500

A warning

The driver is deemed out-of-service

A fine up to $2000

10 / 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

11 / 30

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

Place transmission in low gear

Tap the horn

Block the wheels

Make sure you are safe and seen

12 / 30

What are pressure-protection valves designed to do?

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

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

13 / 30

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

At the very rear of the trailer

On the top front of the trailer

At the front of the trailer

On the side of the trailer at the rear

14 / 30

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

The actuators

An electronic pulsation device

The onboard sensors

An electronic control unit

15 / 30

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

Only during slippery conditions

Yes

Only when the trailers are loaded

16 / 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

17 / 30

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

You don't

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

18 / 30

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

Yes

No but can be mounted after-market

Only older vehicles are

19 / 30

What is the most important part of any braking system?

The compressor

The brake lines

The foundation brakes

The reservoirs

20 / 30

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

2 1/4 inches

2 1/2 inches

2 3/4 inches

3 inches

21 / 30

What is meant by slack adjustment?

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

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

None of the above

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

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

Brake releasing or modulation

Tire pressure

Speed sensing

Decision-making

24 / 30

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

Low air warning system fails or system is activated

Pushrod stroke of any brake exceeds the adjustment limit

The air loss rate is at the adjustment limit

Air loss rate exceeds prescribed limit

25 / 30

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

Type 50

Type 10

Type 30

Type 20

26 / 30

A long stroke Type 30 is designated as...

Type LS30

Type 30LS

LS30

LS30 Type

27 / 30

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

Dump trucks

Buses

Fire trucks

School buses

28 / 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

29 / 30

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

Sensors

None of the above

Pressure valves

Modulators

30 / 30

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

The carrier

The driver

The head of maintenance

No one in particular

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BC Air Brake Practice Test 06

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