BC AIR BRAKE PRACTICE TEST 01

In British Columbia, Canada, operators of air brake equipped vehicles are required to obtain an Air Brake Endorsement on their driver’s license.

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BC Air Brake Test 01

In most systems the primary section of a dual air brake system controls what?
a.
b.
c.
d.

Question 1 of 25

The gap between maximum and minimum pressure in the system should be approximately what?
a.
b.
c.
d.

Question 2 of 25

To prevent contamination, reservoirs should be drained how often?
a.
b.
c.
d.

Question 3 of 25

How often should you check air pressure gauges on a trip?
a.
b.
c.
d.

Question 4 of 25

The governor on the compressor must be set to allow the compressor to resume compressing air when the air pressure falls below what level?
a.
b.
c.
d.

Question 5 of 25

A dual air brake system usually has how many reservoirs?
a.
b.
c.
d.

Question 6 of 25

If your compressor is belt driven, when you press down on the belt midway between the pulleys, you should not be able to push it in more than…?
a.
b.
c.
d.

Question 7 of 25

Which of these is not part of an air brake chamber?
a.
b.
c.
d.

Question 8 of 25

Many current air brake systems operate with a maximum pressure of what?
a.
b.
c.
d.

Question 9 of 25

A relay valve is installed to reduce what?
a.
b.
c.
d.

Question 10 of 25

The mechanical parts of the brake system inside the wheel are known as what?
a.
b.
c.
d.

Question 11 of 25

The safety valve is sometimes referred to as what?
a.
b.
c.
d.

Question 12 of 25

The supply reservoir is also known as…?
a.
b.
c.
d.

Question 13 of 25

When an air pressure warning is given, what should you do?
a.
b.
c.
d.

Question 14 of 25

A normal stop on level ground in good conditions will usually involve an air pressure of less than…?
a.
b.
c.
d.

Question 15 of 25

A dual brake system has brakes controlled by…?
a.
b.
c.
d.

Question 16 of 25

A quick release valve between the front brake chambers and the foot valve serves what purpose?
a.
b.
c.
d.

Question 17 of 25

Air brake systems are used on commercial vehicles instead of hydraulic systems because…?
a.
b.
c.
d.

Question 18 of 25

If a compressor is working at 120 psi, what will the air temperature as it leaves the compressor be?
a.
b.
c.
d.

Question 19 of 25

The low air pressure warning device must come on when the air pressure drops below what level?
a.
b.
c.
d.

Question 20 of 25

Which of these controls the compressor in an air brake system?
a.
b.
c.
d.

Question 21 of 25

In a typical Type 30 chamber, an air pressure of 100 psi will deliver a force on the pushrod of what?
a.
b.
c.
d.

Question 22 of 25

What do the one-way check valves on a dual air brake system control?
a.
b.
c.
d.

Question 23 of 25

Air brake systems are less likely to completely fail than hydraulic systems because…?
a.
b.
c.
d.

Question 24 of 25

The air pressure gauge for the system will be found where?
a.
b.
c.
d.

Question 25 of 25


 

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This endorsement is necessary for operating any vehicle equipped with air brakes or a combination of air and hydraulic brakes. To obtain the endorsement, drivers must pass a written test on air brake components, theory, and operation and a practical test demonstrating their ability to use the brakes properly. Additionally, all air brake systems in British Columbia must meet specific requirements and regulations, including installing automatic slack adjusters and proper brake adjustment procedures. These regulations exist to ensure the safe operation of air brake-equipped vehicles on British Columbia’s roadways.

Drivingtest.ca has prepared this Air Brake practice test to assist drivers in understanding air brake systems. This practice test and practical instruction will help drivers operate air brake-equipped vehicles before and after obtaining their BC air brake endorsement. To operate vehicles equipped with air brakes on a highway (other than a vehicle defined as a construction vehicle), you must have a B.C. driver’s license with an air brake endorsement (code 15). Endorsement code 15 is shown in the “restrictions” section of a driver’s
license.

To successfully prepare, consider utilizing these exams and the official BC “driving commercial vehicles -a Guide for professional drivers” to your advantage. The more knowledge you can attain, the better it will be for you once you decide to return to the license office to take the air brake license written knowledge test.