AG Mechanics CDE Practice Exam

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Prepare for the AG Mechanics CDE Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

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The ideal air to fuel ratio by weight for a small engine is:

  1. 12:1

  2. 13:1

  3. 14:1

  4. 15:1

The correct answer is: 15:1

The ideal air to fuel ratio by weight for a small engine is 15:1. This means that for every 15 parts of air, there is one part of fuel. This ratio is essential for efficient combustion in a small engine, ensuring that the fuel burns completely while minimizing emissions. Options A, B, and C do not represent the correct ideal air to fuel ratio for a small engine and are therefore not the correct answer.

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