If the top view of an object shows a drilled-through hole, how many hidden lines will be necessary in the front view to describe the hole? How many if the hole is countersunk? Counterbored?
What will be an ideal response?
A hole in the front view requires two hidden lines.
A countersunk hole in the front view requires five hidden lines.
A counterbored hole in the front view would also require five hidden lines.
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