What I Know Direction. Choose the letter of the correct answer. Use the given activity sheets for your answer.

1. Why do we use scale in drafting?
a. to keep the proportion accurate
b. to keep the measurement accurate
c. to strengthen the line
d. all of the above
2. Why do we use straight edge rules as an alternative measuring tool?
a. to draw a straight line for checking the straightness of a surface
b. to illustrate the straightness of a surface
c. to scribe a straight line for checking the straightness of a surface
d. all of the above
3. How is a curved surface being measured?
a. by the use of compass
b. by the use of divider
c. by the use of protractor
d. by the use of tape ruler
4. Which of the following measuring tools is used to layout an arc or an angle?
a. compass
b. divider
C. protractor
d. tape ruler
5. What is the most popular type of measuring tools that usually has the length of 6 to 12 inches?
a. ruler
b. scale
c. tape ruler
d. triangle
6. It is a measuring tool that reproduce, reduce, or enlarge the dimension of size on drawing as its main purpose.
a. ruler
b. scale
c. tape ruler
d. triangle
7. Which of the following tools is used for drawing oblique and vertical lines? a. ruler
b. scale
c. triangle
d. t-square
8. Which of the following is used for the purpose of measuring dimensions?
a. cutting tools
b. lining tools
c. measuring tools
d. testing tools
9. Jason is making his project in T.L.E. class. He uses this tool as guide in drawing horizontal lines up to 48". What tool does Jason use?
a, ruler
b. scale
c. triangle
d. t-square
10. This measuring tool is a concave, spring-steel blade ranging from 1/4" to 1" wide and 6 to about 300 feet in length.
a. meter stick
b. ruler
c. tape ruler
d. triangle​