20) How does the orientation of hatching line depends in it may be horizontal, vertical or any convenient angle.

21) The lines in a sectional view used to show cutting portion of the object is known as?

22) In a sectional view usually shows _______ details?

23) To draw sectional view, where cutting plane line is perpendicularly bent to parts through all important interior details is know as

24) Which section makes use of a short break line?