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

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

Yes

Yes, but only intermittently

Only on dry roads

2 / 30

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

Buses

School buses

Dump trucks

Fire trucks

3 / 30

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

The head of maintenance

The carrier

No one in particular

The driver

4 / 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

Listen to the sound from the brakes while braking

Smell the brakes for an odour

5 / 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

6 / 30

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

The actuators

The onboard sensors

An electronic pulsation device

An electronic control unit

7 / 30

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

30 and 50 psi

60 and 90 psi

75 and 100 psi

80 and 110 psi

8 / 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

None of the above

Adjusting the brakes to keep air chamber pushrod travel within tolerance to ensure that the brakes are effective

9 / 30

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

2 1/4 inches

3 inches

2 3/4 inches

2 1/2 inches

10 / 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

11 / 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

Before your first hard stop

After your first hard stop

When coupling the trailer

12 / 30

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

Modulators

Pressure valves

None of the above

Sensors

13 / 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

14 / 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

15 / 30

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

Automatic pumping

The apply-and-release cycle

Threshold braking

None of the above

16 / 30

What is the most important part of any braking system?

The foundation brakes

The brake lines

The reservoirs

The compressor

17 / 30

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

Tire pressure

Speed sensing

Decision-making

Brake releasing or modulation

18 / 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

19 / 30

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

Type 10

Type 30

Type 20

Type 50

20 / 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 slowly decrease

The rate of the pulsating current will rapidly increase

21 / 30

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

Low air warning system fails or system is activated

Air loss rate exceeds prescribed limit

Pushrod stroke of any brake exceeds the adjustment limit

The air loss rate is at the adjustment limit

22 / 30

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

Place transmission in low gear

Block the wheels

Tap the horn

Make sure you are safe and seen

23 / 30

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

Compressor

Air-over hydraulics

Nothing

Application pressure

24 / 30

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

Foundation brakes

The driver

An air system failure

None of these

25 / 30

A long stroke Type 30 is designated as...

LS30

Type LS30

LS30 Type

Type 30LS

26 / 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

27 / 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 constant beeping heard inside the cab

There will be a buzzer heard inside the cab

You don't

28 / 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 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

29 / 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

30 / 30

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

You can feel it through the foot valve

A pressure gauge

You can't

There is a lag once the foot valve is pressed

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BC Air Brake Practice Test 06

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