BC Air Brake Practice Test 1 Questions & Correct Answers 2024/25
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Course
ICBC
Institution
ICBC
-The main reservoir gauge reads? - Correct Answer Air pressure in the brake chambers
-On a long steep downgrade, the ideal method of using the brakes is? - Correct Answer Not using the brakes
-If a small leak develops in a brake chamber, what type of valve will continue to hold the same a...
BC Air Brake Practice Test 1 Questions &
Correct Answers 2024/25
-The main reservoir gauge reads? - Correct Answer Air pressure in the brake
chambers
-On a long steep downgrade, the ideal method of using the brakes is? - Correct Answer
Not using the brakes
-If a small leak develops in a brake chamber, what type of valve will continue to hold the
same application pressure in the brake chamber? - Correct Answer Self-balancing
-If one set of brake shoes are poorly adjusted, what effect could it have on the
remaining set of brake shoes in the system? - Correct Answer They would increase
their share of the braking load, possibly causing overheating
-The final decision as to the condition of the brakes should be made by? - Correct
Answer The driver
-If the compressor discharge line is broken, what prevents total air loss? - Correct
Answer The one-way check valve
-When air pressure in the reservoir is at maximum, the compressor is? - Correct Answer
Governor Unloaded
-If 40 psi is exerted against a diaphragm of 30 square inches in area, what is the total
force that would be exerted? - Correct Answer 1,200 lbs of force
-What is the main cause of brake fade at high temperatures? - Correct Answer The
brake drums expand away from the linings
-To stop a vehicle, the energy of motion is turned into? - Correct Answer Heat in the
brake lining and drums
-Signs posted in advance to a downgrade, instructing truck drivers to stop and check
brakes are? - Correct Answer Regulatory signs
-What is meant by the term braking distance? - Correct Answer The actual distance
the vehicle travels after the brakes are applied until the vehicle stops
-What causes moisture to form in the air brake system? - Correct Answer Air cools in
the wet tank
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