7.

Which of the following statements is true about the principles of constructing orthographic drawing/projection?

a. Side view is directly above the front view.

b. The width of the top view is equal to the depth of the side view.

c. Side views are vertically aligned with the front view and rear view.

d. Top and bottom views are vertically aligned with front view8.

8. To construct the orthographic projections of a three-dimensional object, you will need a T-square and a _____.

a. 30°x30°x90° Triangle

b. 45°x45°x90° Triangle

c. Ruler

d. Protractor

9.

Traditional drafters need to be able to create several different line widths because _____.

a. different line widths convey different information

b. the line width has to do with how dark it appears in the finished drawing

c. they seem to transmit better in a fax machine

d. it makes no difference

10. The top view is located above the _____ .

a. Front view

b. Right side view

c. Bottom view

d. Left side view

11. This line is thick, dark line that is used to show the outline of the object that defines features you can see in a particular

view.

a. Construction line

b. Object or visible line

c. Center line

d. Hidden line

12. These are the lines that are very light and very thin used to construct layout.

a. Construction lines

b. Object or visible lines

c. Center lines

d. Hidden lines

13. The exact width of an arrowhead in millimeters (mm) must be _____ .

a. 1mm

b. 2mm

c. 3mm

d. 4mm

14. Dimension line must be terminated by _____ .

a. Extension lines

b. Dimension lines

c. Arrowheads

d. Dots

15. The gap or distance of the extension line to the object is _____ .

a. 1mm

b. 2mm

c. 3mm

d. 4mm

16. This line is terminated by arrowheads, indicating the direction and extent of a dimension.

a. Dimension line

b. Section line

c. Cutting-plane line

d. Extension line

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