7.4: Answers
Self-Test 1
- a. Vinyl
- a. True
- d. Drawing horizontal lines
- a. To help you prevent smudges
- a. True
- c. Drawing vertical and angled lines
- b. False
- b. Measuring angles
- d. Perpendicular
- c. Drawing arcs and circles
- c. To erase in a desired area
- a. True
- c. Scribing arcs on metal
- c. To create drawings at a reduced scale
Self-Test 2
- c. Object line
- a. Centre line
- c. Hidden line
- a. True
- b. False
- a. Leader line
- d. With a phantom line
- d. Internal features of a part
- d. Direction of observation when the section is drawn
- a. Size dimensions
Self-Test 3
- a. True
- b. Architect’s scale ruler
- a. 1
- d. Use the dimension written between the dimension lines.
- b. 18 '
- d. 51 '
- d. 12 ' 6 "
- a. 1 ' 3 "
- a. 16 ' 2 "
- a. 3 ' 4 "
- b. 3.5 m
- b. 1.9 m
- a. 8 ' 6 "
Self-Test 4
- b. Pictorial
- b. 30°
- d. Vanishing points
- c. 30°–45°
- b. False
- a. Plan view
- c. 3
-
A. 10
B. 11
C. 5
D. 6
E. 1
F. 12
G. 7
H. 2
I. 8
J. 4
K. 9
L. 3
- b. Floor plan
- d. Elevation drawings
Self-Test 5
- b. In the title block
- a. True
- d. In the bill of materials
- a. True
- d. All of the above