Exam (elaborations)
Air Brakes -Alberta Questions and Answers 2024
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Exam of 7 pages for the course Alberta at Alberta (Air Brakes -Alberta)
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Air Brakes -AlbertaWhen inspecting the supply circuit, you should confirm that the governor cut-in pressure
is at least how much less than the cut-out pressure? - answer20 psi
When driving with tire chains, you should...? - answer Reduce speed
You must stop at a pre-hill brake inspection sign...? - answer In all circumstances
During a driving shift, which of these should you check? - answer Foundation brake
overheating. Moisture in tank. Brake adjustment
When an S-cam brake is correctly adjusted, the brake lining will contact the brake drum
before the brake chamber has gone through what portion of its maximum stroke? -
answer half
Brakes will function best if the trailer load is distributed...? - answer Equally over each
axle
In an emergency caused by a trailer tank failure, emergency braking can be effected
using what? - answerThe trailer air supply valve
Foundation brakes are found where? - answerAt the end of the axle
In the event of a failure in the park/emergency circuit, at what pressure will the spring
park brakes start dragging? - answer60 psi
When inspecting and adjusting brakes, a driver should wear...? - answerGloves, Eye
protection, and A hard hat
Brake chamber pushrod travel should be checked at least...? - answereveryday
For provincial carriers, a commercial vehicle is one with a registered weight of...? -
answer11,794 kg plus
When descending slowly down a hill, what should you do to let other drivers know your
intentions? - answerUse your four way flashers
Which of these is the most common cause of brake failure? - answerPoor checking and
maintenance
, What is the maximum distance the push rod can move out of the brake chamber in a
Type 30 chamber? - answer64 mm
Which of these statements is most accurate concerning brake management systems? -
answerThey are a last resort
When inspecting and adjusting air brakes, the driver should check that the air pressure
is at or greater than what? - answer100 psi
Your truck will be equipped with automatic slack adjusters if it was manufactured after
which year? - answer1996
Auxiliary retarders are most efficient at...? - answer90% maximum rpm
In the event of a trailer supply line failure, the spring park brakes will apply immediately
and the ABS will...? - answerStop working
When driving a tractor without a trailer ("bobtailing"), how will the vehicle react to
braking harder in slippery conditions compared to driving with a trailer? - answerLess
stable
If the trailer service line fails, the driver should stop in stages, releasing the brake to
allow the air pressure to recover when it falls to...? - answer70 psi
On a steep hill warning sign, which of these would be the steepest grade? - answer18%
Drum wear can be compensated for using what? - answerSlack adjuster
A brake lining must be replaced when it has worn down to what level? - answer6.4 mm
When a driver sees a problem, how long will they usually be between identifying the
hazard and applying the brake? - answer1.5 seconds
A vehicle travelling at 40 km/h will need how much more stopping power than a vehicle
travelling at 20 km/h? - answer4x
How many different circuits are there in an air brake system? - answer5
At what pressure in psi should the park control valve pop out? - answer20-45
Brake components are constructed to withstand up to what temperature under hard
braking? - answer250° C
When braking what should you do to prevent your vehicle jerking back? - answerEase
off the brake pedal
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