BC Class 3 Practice Test · Question
What is the critical range for the air pressure in the primary and secondary air tanks of a straight truck with air brakes, as observed during a pre-trip inspection?
During an air brake inspection, the air pressure in the primary and secondary tanks should typically be between 90 and 125 psi for safe and effective brake oper
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Question: What is the critical range for the air pressure in the primary and secondary air tanks of a straight truck with air brakes, as observed during a pre-trip inspection?
Answer options:
- Below 50 psi
- Between 70 and 90 psi ✅ Between 90 and 125 psi
- Above 150 psi
Correct answer: Between 90 and 125 psi
Explanation: During an air brake inspection, the air pressure in the primary and secondary tanks should typically be between 90 and 125 psi for safe and effective brake operation, as specified in air brake endorsement handbooks.
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- When performing a pre-trip inspection, what is the minimum air pressure required in an air brake system before
- When driving a straight truck, how should you pass a pedestrian walking on the shoulder of the road without a
- Scenario 1: Tare weight refers to:
- Scenario 2: Gross combination weight (GCW) is:
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