Ontario Class D Practice Test · Question
Scenario 113: During a pre-trip inspection, what is a crucial check for vehicles equipped with air brakes?
For air brake systems, it is crucial to listen for air leaks and ensure that the air pressure builds to the correct operating range within the specified time, a
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Question: Scenario 113: During a pre-trip inspection, what is a crucial check for vehicles equipped with air brakes?
Answer options:
- Checking the air compressor's oil level ✅ Listening for air leaks and ensuring the air pressure builds correctly
- Examining the electrical connections to the air tank
- Testing the air conditioner's effectiveness
Correct answer: Listening for air leaks and ensuring the air pressure builds correctly
Explanation: For air brake systems, it is crucial to listen for air leaks and ensure that the air pressure builds to the correct operating range within the specified time, as indicated in the provincial driver's handbook for air brake endorsements. The correct answer is "Listening for air leaks and ensuring the air pressure builds correctly". This capacity-fill scenario 113 reinforces the same competency for the class3 bank and follows the certified explanation standard.
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Question explanations
- 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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