Class 3 Commercial Driver Practice · Question
When coupling a small utility trailer to a straight truck equipped with a pintle hook, what is the most important step after ensuring the pintle hook is securely latched?
After engaging the primary coupling device (like a pintle hook or ball hitch), connecting the safety chains or cables is critical as a secondary means of attach
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Question: When coupling a small utility trailer to a straight truck equipped with a pintle hook, what is the most important step after ensuring the pintle hook is securely latched?
Answer options:
- Connecting the trailer's interior lights
- Checking the tire pressure of the trailer ✅ Connecting the safety chains or cables
- Adjusting the trailer's suspension system
Correct answer: Connecting the safety chains or cables
Explanation: After engaging the primary coupling device (like a pintle hook or ball hitch), connecting the safety chains or cables is critical as a secondary means of attachment should the primary coupling fail. (Provincial Driver's Handbook)
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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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