AG Mechanics CDE Practice Exam

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Prepare for the AG Mechanics CDE Exam with interactive flashcards and multiple-choice questions. Each question is designed to help you understand key concepts and improve your problem-solving skills. Increase your chances of success through structured exam preparation!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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When measuring the spark plug gap, a __________ should be used.

micrometer
ruler
tape measure
wire or round feeler gauge

The correct answer is: wire or round feeler gauge

When measuring the spark plug gap, it is essential to use a wire or round feeler gauge. This type of gauge is specifically designed for measuring small gaps accurately, making it the ideal tool for checking and adjusting the gap on a spark plug. A micrometer is typically used for precise measurements of larger objects and would not be suitable for measuring the small gap on a spark plug. A ruler or tape measure are designed for measuring lengths and are not precise enough for measuring the small gap on a spark plug. Therefore, the correct tool to use when measuring the spark plug gap is a wire or round feeler gauge.