Question Detail
Question
What is the primary use for a Thin Chain Line (Long and Short Dashed Line) in engineering drawing?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Page 37 states: 'Thin Chain Line (Long and Short Dashed Line) Used for centre lines; lines of symmetry; pitch circle for gears; pitch circle for holes.'
Hint
This line type is often used to indicate the axis of a symmetrical part or a path of rotation.