Question $1$

The thin lines placed between extension lines to indicate a linear distance are $\_\_\_\_$ lines.

A$.$

dimension

B$.$

section

C$.$

object

D$.$

cutting$-$plane

$$

$$

$$

$$

Question $2$

The centers of round objects are indicated using $\_\_\_\_.$

A$.$

section lines

B$.$

hidden lines

C$.$

centerlines

D$.$

object lines

$$

$$

Question $3$

General classifications of materials are identified using $\_\_\_\_.$

A$.$

centerlines

B$.$

hidden lines

C$.$

object lines

D$.$

section lines

Question $4$

Lines drawn as a series of dashes $1/8^2(\mathrm{.}125^2)$in length with spaces $1/16^2(\mathrm{.}06^2)$in length between the dashes are $\_\_\_\_.$

A$.$

extension lines

B$.$

hidden lines

C$.$

dimension lines

D$.$

construction lines

Question $5$

Section lines are typically drawn inclined at $\_\_\_\_.$

A$.$

$45$

B$.$

$30$

C$.$

$75$

D$.$

$60$

Question $6$

Cutting$-$plane lines are drawn to the same weight as $\_\_\_\_.$

A$.$

section lines

B$.$

hidden lines

C$.$

centerlines

D$.$

object lines

Question $7$

An extension line typically begins $\_\_\_\_$ away from the edge or feature of the object being dimensioned.

A$.$

$5/64^2(\mathrm{.}08^2)$

B$.$

$1/10^2(\mathrm{.}1^2)$

C$.$

$1/8^2(\mathrm{.}125^2)$

D$.$

$1/16^2(\mathrm{.}06^2)$

Question $8$

Which of the following tools should$$not$$be used to sketch lines?

A$.$

Drawing pencil

B$.$

Eraser

C$.$

Graph paper

D$.$

Scale

Question $9$

A$($n$)\_\_\_\_$ is sketched by first constructing a rectangle with dimensions equal to the major and minor axes of the object.

A$.$

hexagon

B$.$

octagon

C$.$

circle

D$.$

ellipse

Question $10$

A$($n$)\_\_\_\_$ is sketched by first constructing centerline axes and inclined lines at $30$and $60.$

A$.$

circle

B$.$

hexagon

C$.$

octagon

D$.$

ellipse

$1$ points $$

Question $11$

A line is sketched by making a series of short, overlapping strokes.

$$True

$$False

Question $12$

Thin construction lines should be drawn first when sketching objects.

$$True

$$False

Question $13$

A right$-$handed drafter should sketch vertical lines from the bottom of the sheet upward.

$$True

$$False

$1$ points $$

Question $14$

Construction lines are the heaviest lines used in sketching.

$$True

$$False

Question $15$

Object lines indicate visible edges of an object.

$$True

$$False

Question $16$

Dimension lines and extension lines are drawn to the same line weight.

$$True

$$False

Question $17$

Section lines are used to show alternate positions of a moving part.

$$True

$$False

Question $18$

When determining which line should be displayed when lines overlap on a drawing, object lines take priority over hidden lines.

$$True

$$False

Question $19$

A $60$angle is known as a right angle.

$$True

$$False

Question $20$

Hexagons are sketched by laying out centerline axes and lines inclined at $45.$

$$True

$$False

Question $21$

A collection of the different lines used in drafting, with classifications for line weight and linetype, is known as the$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

Question $22$

The three types of centerlines are primary, secondary$,$ and$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$centerlines$.$

$$

Question $23$

The$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$method can be used to reduce or enlarge drawings by $$blocking off$$ a drawing at one scale and making a second drawing at a different scale.

Question $24$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$ are light lines used in lettering to help keep the lettering uniform in height.

$$

$$

Question $25$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$ lines are drawn at the same weight as dimension lines and are used to indicate the beginning and ending points of a linear distance.