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

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

Air loss rate exceeds prescribed limit

Low air warning system fails or system is activated

The air loss rate is at the adjustment limit

Pushrod stroke of any brake exceeds the adjustment limit

2 / 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 decrease

The rate of the pulsating current will rapidly increase

The rate of the pulsating current will slowly decrease

3 / 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

4 / 30

A long stroke Type 30 is designated as...

LS30

LS30 Type

Type LS30

Type 30LS

5 / 30

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

Yes

Every week only

Once a month only

6 / 30

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

The carrier

The driver

No one in particular

The head of maintenance

7 / 30

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

Application pressure

Nothing

Compressor

Air-over hydraulics

8 / 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

When coupling the trailer

After starting the engine to check for the warning light

9 / 30

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

Threshold braking

None of the above

Automatic pumping

The apply-and-release cycle

10 / 30

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

Make sure you are safe and seen

Place transmission in low gear

Tap the horn

Block the wheels

11 / 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

12 / 30

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

2 3/4 inches

2 1/4 inches

3 inches

2 1/2 inches

13 / 30

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

On the side of the trailer at the rear

On the top front of the trailer

At the very rear of the trailer

At the front of the trailer

14 / 30

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

Modulators

None of the above

Sensors

Pressure valves

15 / 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 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

None of the above

16 / 30

What is the most important part of any braking system?

The compressor

The brake lines

The foundation brakes

The reservoirs

17 / 30

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

80 and 110 psi

75 and 100 psi

60 and 90 psi

30 and 50 psi

18 / 30

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

None of the above

Visually check for brake adjustments

Smell the brakes for an odour

Listen to the sound from the brakes while braking

19 / 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

You don't

There will be a constant beeping heard inside the cab

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

20 / 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

21 / 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?

Never

If you hear any rattle sound while in motion

During the air brake pre-trip inspection

That's what mechanics are for

22 / 30

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

Brake releasing or modulation

Speed sensing

Tire pressure

Decision-making

23 / 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

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

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

A fine up to $2000

The driver is deemed out-of-service

A warning

A fine of at least $3500

26 / 30

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

An air system failure

The driver

None of these

Foundation brakes

27 / 30

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

Yes

Only older vehicles are

No but can be mounted after-market

28 / 30

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

Buses

Fire trucks

Dump trucks

School buses

29 / 30

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

You can't

A pressure gauge

There is a lag once the foot valve is pressed

You can feel it through the foot valve

30 / 30

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

Type 30

Type 10

Type 50

Type 20

Your score is

By WordPress Quiz plugin

BC Air Brake Practice Test 06

About

Practice Tests

Getting a License

Get In Touch