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

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

2 / 30

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

Application pressure

Air-over hydraulics

Nothing

Compressor

3 / 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

The air loss rate is at the adjustment limit

Low air warning system fails or system is activated

4 / 30

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

30 and 50 psi

80 and 110 psi

60 and 90 psi

75 and 100 psi

5 / 30

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

A pressure gauge

You can't

There is a lag once the foot valve is pressed

You can feel it through the foot valve

6 / 30

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

Decision-making

Brake releasing or modulation

Speed sensing

Tire pressure

7 / 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

8 / 30

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

An electronic control unit

The onboard sensors

The actuators

An electronic pulsation device

9 / 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

There will be a buzzer heard inside the cab

You don't

10 / 30

What is meant by slack adjustment?

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

None of the above

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

Adjusting the brakes to keep air chamber flowing through to ensure that the brakes are effective

11 / 30

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

The driver

None of these

An air system failure

Foundation brakes

12 / 30

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

2 3/4 inches

3 inches

2 1/4 inches

2 1/2 inches

13 / 30

What is the most important part of any braking system?

The reservoirs

The brake lines

The compressor

The foundation brakes

14 / 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

15 / 30

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

Type 10

Type 50

Type 30

Type 20

16 / 30

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

Fire trucks

Dump trucks

Buses

School buses

17 / 30

A long stroke Type 30 is designated as...

LS30 Type

LS30

Type 30LS

Type LS30

18 / 30

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

Pressure valves

Sensors

None of the above

Modulators

19 / 30

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

At the front of the trailer

On the top front of the trailer

On the side of the trailer at the rear

At the very rear of the trailer

20 / 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

Listen to the sound from the brakes while braking

None of the above

Smell the brakes for an odour

21 / 30

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

No one in particular

The head of maintenance

The carrier

The driver

22 / 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

23 / 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

24 / 30

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

After your first hard stop

When coupling the trailer

Before your first hard stop

After starting the engine to check for the warning light

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

If you hear any rattle sound while in motion

That's what mechanics are for

During the air brake pre-trip inspection

26 / 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

27 / 30

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

Automatic pumping

Threshold braking

None of the above

The apply-and-release cycle

28 / 30

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

Yes

Once a month only

Every week only

29 / 30

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

The driver is deemed out-of-service

A fine up to $2000

A warning

A fine of at least $3500

30 / 30

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

Make sure you are safe and seen

Tap the horn

Block the wheels

Place transmission in low gear

Your score is

BC Air Brake Practice Test 06

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