Question 31Motor Plants - 1st Asst/Chief
70% to passWhich of the following statements would apply when checking the valve clearance of the unit shown in the illustration? Illustration MO-0074
AThe valve is mechanically adjusted at point "D".
BThe valve is mechanically adjusted at point "E".
CTappet clearance is measured between points "A" and "B".
DCold valve clearance is measured between components "C" and "D".
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.
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