Coast Guard Exams
Question 31Motor Plants - 1st Asst/Chief70% to pass

Which of the following statements would apply when checking the valve clearance of the unit shown in the illustration? Illustration MO-0074

Diagram for question 31
AI Explanation
The correct answer is D) Cold valve clearance is measured between components "C" and "D". The valve clearance is typically measured between the rocker arm (C) and the valve stem (D) when the engine is cold. This ensures that the correct clearance is set to allow for thermal expansion of the components during engine operation. The other answer choices are incorrect because they do not correctly identify the components involved in measuring the valve clearance on this type of engine setup.