Chapters 1-3 Flashcards
(104 cards)
What kind of vehicles require the driver to have an air brake endorsement drivers license in order to operate them?
Vehicles equipped with air brakes on the highway requires a
BC drivers license with an air brake endorsement.
What drivers license allows you to operate a school bus?
Class 2
What are the steps to obtain an airbrake endorsement?
- Complete an air brake course.
- Apply for an air break endorsement
- Take an air break knowledge test.
- Take your air brake pre-trip inspection test. You’ll need a vehicle equipped with air brakes for this test.
What classes of license or license endorsements allow you to operate a trailer equipped with airbrakes weighing over 4600 kg?
Your class one license with an air brake endorsement.
What does your class one drivers license allow you to drive?
Semi trailer trucks and all other motor vehicles, or combinations of vehicles, except motorcycles.
What does your class two drivers license allow you to drive?
Buses, including school, buses, specialty activity bus’s and special vehicles.
What does your class three drivers license allow you to drive?
- Trucks with more than two axles, such as dump trucks and large tow trucks, but not including a bus that is being used to transport passengers.
- A tow car towing a vehicle of any weight
- A mobile truck crane
What does your class four unrestricted drivers license Allow you to drive?
- Buses with a maximum seating capacity of 25 persons, including the driver.
- Taxis, limousines, and ride hailing vehicles.
- ambulances
What are retarders designed to do?
Retarders are designed to provide auxiliary slowing of the vehicle without the use of the main breaking system.
What are four types of retarders?
Engine retarders, exhaust retarders, hydraulic drive line retarders, electric driveline retarders
When does an engine retarder work most efficiently?
Higher engine rpm and slower vehicle speed
When should you be cautious of using retarders and what will the results be if you are not?
Using retarders on slippery road surfaces can cause the drive wheels to lock up stalling the engine, and can result in loss of control or even cause a tractor-trailer to jackknife.
Passenger cars and light truck drivers should use what rule to stop?
2 second rule to stop
Drivers of Busses, trucks and other large heavy vehicles should never be no less than?
5 seconds behind another driver rule.
How much brake lag time is there with airbrakes?
4/10 of a second
What are the four principles of time to stopping?
Perception distance, reaction distance, break lag distance, and breaking distance
Two times the vehicle speed requires how much stopping power?
Four times to the stopping power.
Two times the vehicles weight requires how much stopping power?
Two times the stopping power
Two times the vehicle speed and two times The vehicles weight requires how much stopping power?
Eight times the stopping power.
What are the normal, maximum and failing temperatures of break drums
120°C normal, 250°C maximum, more than 300°C failure
What is brake fade?
Brake fade occurs when your brakes stop working properly because they are overheated.
What causes brake fade?
Excessive hard breaking.
What happens to the brake drums when they heat up?
They expand away from the brake linings.
What should you never do on a downgrade?
You should never shift to a higher gear on a downgrade, unless the speed on the grade can be controlled with a retarding device or engine compression.