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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How many revolutions does a camshaft make to one revolution of the crankshaft?

  1. 1/2

  2. 1

  3. 2

  4. 4

The correct answer is: 1/2

A camshaft makes half a revolution for every revolution of the crankshaft. This is because the camshaft is connected to the crankshaft through a timing belt or chain and is designed to rotate at half the speed of the crankshaft. This relationship ensures that the camshaft operates in sync with the crankshaft to properly time the opening and closing of the engine's valves. Therefore, the correct answer is that a camshaft makes 1/2 revolution to one revolution of the crankshaft. Options B, C, and D are incorrect because a camshaft does not make a full revolution for every revolution of the crankshaft. The correct ratio is 1/2, not 1, 2, or 4.

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