Deck 13: Descriptive Geometry

Question 1

When creating a curved line, the more widely the points are spread, the smoother the curve will be.

Answer 1

False

Question 2

The connection of three points in space creates a:

A) line
B) triangle
C) plane
D) fold

Answer 2

B

Question 3

A _____ is composed of a series of unaligned points.

A) curved line
B) triangle
C) straight line
D) fold line

Answer 3

A

Question 4

A(n) _____ plane is a plane that lies on any angle other than the normal orthographic planes.

A) auxiliary
B) profile
C) frontal
D) horizontal

Question 5

The edges of a drawing of a cube would be considered:

A) horizontal planes
B) profile planes
C) fold lines
D) projection lines

Question 6

Projection lines are always:

A) perpendicular to fold lines
B) parallel to the profile plane
C) perpendicular to the frontal plane
D) parallel to the horizontal plane

Question 7

When the fold line is perpendicular to the true length line, the projection will be an edge view.

Question 8

What is the shortest distance between any two points?

A) angle
B) plane
C) straight line
D) curved line

Question 9

Lines perpendicular to normal orthographic planes are true length, but lines parallel to normal orthographic planes are not.

Question 10

How many auxiliary planes are there?

A) 1
B) 3
C) 6
D) an unlimited number

Question 11

Descriptive geometry is directly related to orthographic and auxiliary projection.

Question 12

There are only six auxiliary planes.

Question 13

Any three-dimensional solid object can be created by the projection and connection of multiple points in space.

Question 14

How many points are needed to create a straight line?

A) 0
B) 1
C) 2
D) 3

Question 15

An auxiliary plane may be taken off any plane at any position.

Question 16

Lines on a plane are represented by:

A) points on all other parallel planes
B) points on all other perpendicular planes
C) fold lines on all other parallel planes
D) fold lines on all other perpendicular planes

Question 17

A curved line is a series of very short straight lines.

Question 18

Geometric forms are all constructed from a series of:

A) curves
B) angles
C) planes
D) points

Question 19

The principles of descriptive geometry are used to graphically solve problems and gain information about geometric forms and their position in space.

Question 20

It is possible to solve the location of a point to a third plane when the point's location is known on two planes.

Question 21

To create a smooth curve, you should:

A) use a series of aligned points
B) space the points closely together
C) use no more than three points
D) refrain from including any straight lines

Question 22

When the frontal, horizontal, and profile planes are opened flat onto a two-dimensional surface:

A) the distance of X = X increases and the distance of Y = Y decreases
B) the distance of X = X decreases and the distance of Y = Y increases
C) the distances of X = X and Y = Y both increase
D) the distances of X = X and Y = Y remain the same

Question 23

The point view of a line can be drawn by placing the:

A) fold line perpendicular to the true length line
B) fold line parallel to the true length line
C) frontal plane perpendicular to the vertical plane
D) frontal plane perpendicular to the horizontal plane

Question 24

What should you do to find the true length of a line on any plane?

A) revolve the line on the vertical plane until it is perpendicular to the fold line
B) revolve the line on the horizontal plane until it is parallel to the frontal plane
C) locate the fold line perpendicular to the line, then project the line to the adjacent plane
D) locate the fold line parallel to the line, then project the line to the adjacent plane

Question 25

Oblique and inclined lines are true length:

A) always
B) on normal orthographic planes
C) on auxiliary planes viewed from a normal plane of projection
D) on auxiliary planes viewed perpendicular to the adjacent plane

Question 26

When projecting an auxiliary plane:

A) the angle used with the fold line must be no greater than 45º
B) the angle used with the fold line must be at least 45º
C) any angle may be used with the fold line
D) no angle may be used with the fold line

Question 27

A side plane on a drawing of a cube would be considered the _____ plane.

A) profile
B) frontal
C) vertical
D) horizontal

Question 28

When a fold line is parallel to any line, that line will appear _____ in the adjacent plane.

A) curved
B) true size
C) slanted
D) foreshortened

Question 29

The top plane on a drawing of a cube would be considered the _____ plane.

A) profile
B) frontal
C) vertical
D) horizontal

Question 30

What do you need to do first when drawing the true size of a surface?

A) draw a fold line
B) project the surface to the new plane
C) find the edge view
D) find the point view