In what portion of a picture sheet can you find the block tolerance?

• A. The title block
• B. The header
• C. The footer
• D. The margin

Answer: (A)

Block tolerance refers to the general tolerances that apply to dimensions on a drawing unless a specific feature specifies a different tolerance. The title block is the designated area on a picture sheet for essential drawing data, including scale, drawing number, revision, and the general tolerances. By placing block tolerance in the title block, everyone reading the drawing uses the same baseline limits unless overridden elsewhere on the drawing. The header, footer, and margins are for page-level information and layout, not for documenting the tolerances that govern the features.