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

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

Sensors

Pressure valves

None of the above

Modulators

2 / 30

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

75 and 100 psi

30 and 50 psi

80 and 110 psi

60 and 90 psi

3 / 30

A long stroke Type 30 is designated as...

Type LS30

Type 30LS

LS30

LS30 Type

4 / 30

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

After starting the engine to check for the warning light

When coupling the trailer

After your first hard stop

Before your first hard stop

5 / 30

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

A fine up to $2000

A warning

The driver is deemed out-of-service

A fine of at least $3500

6 / 30

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

At the front of the trailer

At the very rear of the trailer

On the top front of the trailer

On the side of the trailer at the rear

7 / 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

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

8 / 30

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

Compressor

Air-over hydraulics

Application pressure

Nothing

9 / 30

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

Type 20

Type 50

Type 10

Type 30

10 / 30

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

There will be a constant beeping heard inside the cab

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

You don't

There will be a buzzer heard inside the cab

11 / 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

12 / 30

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

2 1/4 inches

2 3/4 inches

2 1/2 inches

3 inches

13 / 30

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

There is a lag once the foot valve is pressed

You can't

A pressure gauge

You can feel it through the foot valve

14 / 30

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

Yes

Only during slippery conditions

Only when the trailers are loaded

15 / 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 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

16 / 30

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

Once a month only

Yes

Every week only

17 / 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

None of the above

Listen to the sound from the brakes while braking

Visually check for brake adjustments

18 / 30

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

Decision-making

Brake releasing or modulation

Tire pressure

Speed sensing

19 / 30

What is the most important part of any braking system?

The reservoirs

The compressor

The foundation brakes

The brake lines

20 / 30

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

An electronic pulsation device

An electronic control unit

The onboard sensors

The actuators

21 / 30

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

Threshold braking

The apply-and-release cycle

Automatic pumping

None of the above

22 / 30

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

Dump trucks

Fire trucks

School buses

Buses

23 / 30

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

Place transmission in low gear

Make sure you are safe and seen

Block the wheels

Tap the horn

24 / 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

25 / 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

During the air brake pre-trip inspection

If you hear any rattle sound while in motion

That's what mechanics are for

26 / 30

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

The air loss rate is at the adjustment limit

Low air warning system fails or system is activated

Pushrod stroke of any brake exceeds the adjustment limit

Air loss rate exceeds prescribed limit

27 / 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

28 / 30

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

The driver

No one in particular

The carrier

The head of maintenance

29 / 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

30 / 30

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

Only on dry roads

Yes, but only intermittently

Yes

Your score is

BC Air Brake Practice Test 06

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