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

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

Only during slippery conditions

Yes

2 / 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

3 / 30

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

On the side of the trailer at the rear

At the front of the trailer

At the very rear of the trailer

On the top front of the trailer

4 / 30

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

Once a month only

Every week only

Yes

5 / 30

What is the most important part of any braking system?

The brake lines

The reservoirs

The compressor

The foundation brakes

6 / 30

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

After your first hard stop

After starting the engine to check for the warning light

When coupling the trailer

Before your first hard stop

7 / 30

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

The driver

The carrier

The head of maintenance

No one in particular

8 / 30

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

Pressure valves

Modulators

None of the above

Sensors

9 / 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

That's what mechanics are for

If you hear any rattle sound while in motion

10 / 30

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

Only older vehicles are

No but can be mounted after-market

Yes

11 / 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

12 / 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

13 / 30

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

Tap the horn

Place transmission in low gear

Make sure you are safe and seen

Block the wheels

14 / 30

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

You can't

A pressure gauge

You can feel it through the foot valve

There is a lag once the foot valve is pressed

15 / 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

Visually check for brake adjustments

Listen to the sound from the brakes while braking

16 / 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 up to $2000

A fine of at least $3500

17 / 30

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

The driver

An air system failure

Foundation brakes

None of these

18 / 30

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

Brake releasing or modulation

Speed sensing

Decision-making

Tire pressure

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 rapidly decrease

The rate of the pulsating current will rapidly increase

The rate of the pulsating current will slowly decrease

20 / 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 non-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 essential air-operated accessories

21 / 30

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

School buses

Buses

Fire trucks

Dump trucks

22 / 30

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

3 inches

2 1/2 inches

2 1/4 inches

2 3/4 inches

23 / 30

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

Air-over hydraulics

Compressor

Application pressure

Nothing

24 / 30

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

Air loss rate exceeds prescribed limit

Pushrod stroke of any brake exceeds the adjustment limit

Low air warning system fails or system is activated

The air loss rate is at the adjustment limit

25 / 30

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

Yes, but only intermittently

Yes

Only on dry roads

26 / 30

What is meant by slack adjustment?

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 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

27 / 30

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

Type 50

Type 30

Type 10

Type 20

28 / 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

Apply and maintain firm continuous pressure on the brake pedal

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

Gradually apply and maintain moderate continuous pressure on the brake pedal

29 / 30

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

The apply-and-release cycle

Threshold braking

None of the above

Automatic pumping

30 / 30

A long stroke Type 30 is designated as...

Type LS30

Type 30LS

LS30

LS30 Type

Your score is

BC Air Brake Practice Test 06

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