21. It is used when making horizontal lines. It is also used for guiding triangles when
drawing vertical lines.
a. divider
c. T-square
b. triangular scale
d. compass
22. A type of T-square where its head is fastened to the blade. It is used for ordinary
work.
a. fix head
c. removable head
b. adjustable head
d. none of the choices
23. A type of T-square where its head is designed for comfort when carrying
a. fix head
C. removable head
b. adjustable head
d. none of the choices
24. It provides a straight working edge necessary for constructing horizontal and
vertical lines. It is traditionally made of well seasoned wood but is now also made of
masonite and hard plastic.
a. templates
c. erasing shield
b. drawing board
d. sandpaper
25. It is the basic instrument used in mechanical drawing and come in varying degrees
of hardness.
a. pencil
c. technical pen
b. ballpen
d. marker
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Answer:
21. T- Square
22. Fix Head
23. Removable Head
24. Drawing Board
25. Technical Pen