Final answer:
In engineering drawings, it is true that holes are typically assumed to be through holes unless noted otherwise, as this convention aids in clarity and reduces excessive annotations. Therefore , the correct answer options is true.
Step-by-step explanation:
True or False? Holes are assumed to be through holes unless otherwise indicated. This statement is generally considered to be true in the context of engineering drawings and drafting. When a hole is depicted on an engineering drawing, it is usually assumed to be a through hole unless it's specifically noted as a blind hole (a hole that does not go completely through the workpiece).
This standard convention helps maintain clarity and reduces the need to over-annotate drawings, which can become cluttered. Therefore, unless the drawing specifies otherwise, one can assume that a hole is meant to go all the way through the material