Lecture 13

Question 1

A line is considered to be ____ in length, the portion between any two points on it simply specifies a _____.

Answer 1

infinite

segement

Question 2

Slope is the angle that a line makes with a _____ plane when the line is ____ ____ and the horizontal plane is an edge.

Answer 2

horizontal

true length

Question 3

define slope angle

Answer 3

the angle of the slope measured from its true length

Question 4

Define percent grade

Answer 4

is the ratio of the vertical (rise) divided by the horizontal (run) between the ends of the line, expressed as percentage.

Question 5

Define slope ratio

Answer 5

is the ratio of a rise of 1 to the run

Question 6

_____ lines are parallel to at least one of the principal projection.

Answer 6

principal

Question 7

When a line is parallel to a folding line, its projection will be ____ ____ in the adjacent view

Answer 7

True length`

Question 8

An oblique line will not appear ___ ___ in any of the views

Answer 8

True length