Question 434Motor Plants - Assistant Engineer
70% to passWhich of the following statements would apply when checking the valve clearance of the unit shown in the illustration? Illustration MO-0074
ATappet clearance is measured between points "A" and "B".
BCold valve clearance is measured between components "C" and "D".
CThe valve is mechanically adjusted at point "D".
DThe valve is mechanically adjusted at point "E".
AI Explanation
The correct answer is B) Cold valve clearance is measured between components "C" and "D". This is correct because the valve clearance is typically measured between the valve stem and the rocker arm or tappet, which correspond to components "C" and "D" in the illustration. The valve clearance is checked when the engine is cold to ensure proper adjustment and to prevent damage to the valve train components during operation. The other options are incorrect because A) refers to the tappet clearance, which is not the same as the valve clearance, C) and D) refer to the adjustment points, not the measurement locations.
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