Deck 5: Projection Lines, Other Lines, and Line Combinations

Question 1

Explain the difference between where cutting planes and view planes are placed with respect to an object.

Answer 1

Cutting planes are placed inside an object. Viewing planes are placed outside an object.

Question 2

How is the imaginary cutting place designated in a drawing?

Answer 2

Either broken lines consisting of one long and two short dashes placed alternately or long dashes of equal length are used to designate where the imaginary cutting took place.

Question 3

In the accompanying figure, the item identified as A indicates the ____ lines.

A) phantom
B) cutting plane
C) hidden
D) break

Answer 3

B

Question 4

List three less frequently used lines in the alphabet of lines that are used for more advanced drawings.

Question 5

____ lines are thin, unbroken lines projected from a point in one view to locate the same point in another view.

A) Projection
B) Object
C) Extension
D) Construction

Question 6

In the accompanying figure, item number 3 identifies ____ lines.

A) center
B) hidden
C) extension
D) object

Question 7

In the accompanying figure, the item identified as C indicates the ____ lines.

A) phantom
B) cutting plane
C) hidden
D) break

Question 8

In the accompanying figure, the item identified as B indicates the ____ lines.

A) phantom
B) cutting plane
C) hidden
D) break

Question 9

Explain the purpose of projection lines.

Question 10

In line drawings, how are ruled and zig-zag lines used?

Question 11

____ lines are used to establish the relationship of lines and surfaces in one view with corresponding points in other views.

A) Dimension
B) Extension
C) Construction
D) Projection