Question 1

Extension lines ____.

Accepted Answer

A)   are dashed
B)   are thick
C)   touch the object they indicate
D)   do not quite touch the object they indicateE) A) and B)
F) A) and C)

Question 2

All visible edges are represented by ____ lines.

Accepted Answer

A)   center
B)   extension
C)   object
D)   leaderE) A) and C)
F) B) and D)

Question 3

Construction drawings use an alphabet of__________.

Accepted Answer

A)   circles
B)   arcs
C)   lines
D)   scalesE) A) and C)
F) A) and B)

Question 4

____ are used to show the centers of round or cylindrical objects.

Accepted Answer

A)   Object lines
B)   Centerlines
C)   Leader lines
D)   Dimension linesE) None of the above
F) A) and B)

Question 5

One type of dashed line, the ____ line, is used to show the edges of objects that would not otherwise be visible in the view shown.

Accepted Answer

A)   leader
B)   hidden
C)   center
D)   extensionE) B) and C)
F) B) and D) B

Question 6

In order to show where an imaginary cut was made, a ____ line is drawn on the view through which the cut was made.

Accepted Answer

A)   slicing
B)   cutting-plane
C)   dimension
D)   sectionE) A) and C)
F) C) and D)

Question 7

On construction drawings, the center of an arc is shown by crossing ____.

Accepted Answer

A)   cutting-plane lines
B)   object lines
C)   centerlines
D)   dimension linesE) A) and D)
F) B) and D)

Question 8

On construction drawings, dimensions are expressed in ____.

Accepted Answer

A)   meters
B)   centimeters
C)   feet and inches
D)   fathomsE) C) and D)
F) A) and D)

Question 9

A dimension line is drawn from one extension line to the next.

Accepted Answer

A) True 
 B)False

Question 10

Hidden lines are drawn as a series of unevenly sized short dashes.

Accepted Answer

A) True 
 B)False  False

Question 11

Some section views may not be referenced by a cutting-plane line on any other view.

Accepted Answer

A) True 
 B)False

Question 12

Dot dot lines are used for ______.

Accepted Answer

A)   phantom lines
B)   leader lines
C)   object lines
D)   cutting planesE) None of the above
F) B) and D)

Question 13

The dimension (distance between the extension lines)  is sometimes ____.

Accepted Answer

A)   not marked
B)   lettered atop the dimension line
C)   lettered above the dimension line
D)   lettered below the dimension lineE) C) and D)
F) None of the above

Question 14

To lay out an arc or part of a circle, you do not need to know the radius.

Accepted Answer

A) True 
 B)False

Question 15

Centerlines are used to indicate that an object is ____.

Accepted Answer

A)   3-D
B)   2-D
C)   asymmetrical
D)   symmetricalE) All of the above
F) C) and D)

Question 16

The ____ line is used to show important overhead construction.

Accepted Answer

A)   phantom
B)   hidden
C)   extension
D)   centerE) All of the above
F) None of the above A

Question 17

____ lines are used to show the shape of an object.

Accepted Answer

A)   Object
B)   Leader
C)   Dimension
D)   Cutting-planeE) A) and B)
F) B) and D)

Question 18

The most practical way to show exposed beams on a living room ceiling may be to show them on the floor plan with ___________lines.

Accepted Answer

A)   leader
B)   extension
C)   phantom
D)   objectE) C) and D)
F) B) and D)

Question 19

The ____ of an arc is the distance from the center to the edge of the arc.

Accepted Answer

A)   radius
B)   diameter
C)   length
D)   areaE) A) and B)
F) B) and C)

Question 20

A dimension line is drawn from one ____ line to the next.

Accepted Answer

A)   object
B)   extension
C)   cutting-plane
D)   hiddenE) B) and C)
F) B) and D)

Exam 4: Alphabet of Lines

Extension lines ____.

Correct AnswerverifiedShow Answer

All visible edges are represented by ____ lines.

Correct AnswerverifiedShow Answer

Construction drawings use an alphabet of__________.

Correct AnswerverifiedShow Answer

____ are used to show the centers of round or cylindrical objects.

Correct AnswerverifiedShow Answer

One type of dashed line, the ____ line, is used to show the edges of objects that would not otherwise be visible in the view shown.

Correct AnswerverifiedB

In order to show where an imaginary cut was made, a ____ line is drawn on the view through which the cut was made.

Correct AnswerverifiedShow Answer

On construction drawings, the center of an arc is shown by crossing ____.

Correct AnswerverifiedShow Answer

On construction drawings, dimensions are expressed in ____.

Correct AnswerverifiedShow Answer

A dimension line is drawn from one extension line to the next.

Correct AnswerverifiedShow Answer

Hidden lines are drawn as a series of unevenly sized short dashes.

Correct AnswerverifiedFalse

Some section views may not be referenced by a cutting-plane line on any other view.

Correct AnswerverifiedShow Answer

Dot dot lines are used for ______.

Correct AnswerverifiedShow Answer

The dimension (distance between the extension lines) is sometimes ____.

Correct AnswerverifiedShow Answer

To lay out an arc or part of a circle, you do not need to know the radius.

Correct AnswerverifiedShow Answer

Centerlines are used to indicate that an object is ____.

Correct AnswerverifiedShow Answer

The ____ line is used to show important overhead construction.

Correct AnswerverifiedA

____ lines are used to show the shape of an object.

Correct AnswerverifiedShow Answer

The most practical way to show exposed beams on a living room ceiling may be to show them on the floor plan with ___________lines.

Correct AnswerverifiedShow Answer

The ____ of an arc is the distance from the center to the edge of the arc.

Correct AnswerverifiedShow Answer

A dimension line is drawn from one ____ line to the next.

Correct AnswerverifiedShow Answer

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B

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False

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A

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