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Class 4 Commercial Driver Practice · Question

Blind spots on a Class 4 vehicle are usually:

Larger/longer vehicles have bigger blind spots. Use all mirrors and shoulder-check before turns or lane changes.

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Question: Blind spots on a Class 4 vehicle are usually:

Answer options:

  • Smaller than a car's ✅ Larger than a car's — check mirrors carefully
  • Non-existent
  • Only on the left side

Correct answer: Larger than a car's — check mirrors carefully

Explanation: Larger/longer vehicles have bigger blind spots. Use all mirrors and shoulder-check before turns or lane changes.

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