Lesson 2

Question 1

The scale used on a blueprint will be written below the drawing or shown in the _____ .

a. legend
b. notes
c. staking sheets
d. title block

Reference: Scaling and Dimensioning Drawings, “Scaling,” Paragraph 1, Last Sentence

Answer 1

d. title block

Question 2

A scale of one inch equals fifty feet is typically used in a(n) ____ scale drawing.

a. architect’s
b. civil engineer’s
c. inch
d. mechanical engineer’s

Reference: Scaling and Dimensioning Drawings, “Common Scales,” Paragraph 2, First Sentence

Answer 2

b. civil engineer’s

Question 3

A 1:1 scale would be best suited for the drawing of a ____ .

a. bus support column
b. cable raceway
c. concrete equipment pad
d. grounding connection detail

Reference: Scaling and Dimensioning Drawings, “Scaling,” Paragraph 1, Sentence 2

Answer 3

d. grounding connection detail

Question 4

If a civil engineer’s drawing shows a measurement of 80.25 feet, the measurement in feet and inches is ____ .

a. 80’ 2”
b. 80’ 3”
c. 80’ 4”
d. 80’ 6”

Reference: Scaling and Dimensioning Drawings, “Common Scales,” Paragraph 2, Sentence 3

Answer 4

b. 80’ 3”

Question 5

The floor plan of a substation control house would normally be drawn using a(n) ____ scale.

a. architect’s
b. civil engineer’s
c. decimal
d. mechanical engineer’s

Reference: Scaling and Dimensioning Drawings, “Common Scales,” Paragraph 2, Last Sentence

Answer 5

a. architect’s

Question 6

The best way to get the true dimensions required when building a substation is to scale up from the blueprint.

True or False?

Reference: Scaling and Dimensioning Drawings, “Scaling Drawings,” Paragraph 1, Sentence 3

Answer 6

False

Question 7

If the blueprint scale is ¹/₁₆ inch equals one foot, and the ruler reads two and ½ inches, the distance being measured is ____.

a. 32’
b. 40’
c. 60’
d. 80’

Reference: Scaling and Dimensioning Drawings, “Scaling Drawings,” Paragraph 1

Answer 7

b. 40’

Question 8

A digital ____ allows the worker to set any scale needed when used to take readings off a blueprint.

a. caliper
b. curvimeter
c. protractor
d. ruler

Reference: Scaling and Dimensioning Drawings, “Scaling Drawings,” Paragraph 3, Sentence 4

Answer 8

b. curvimeter

Question 9

The type of line that always stops short of the drawing and does not touch it is the ____ line. They are drawn at 90° from the surface being measured.

a. cutting plane
b. dimension
c. extension
d. long break

Reference: Scaling and Dimensioning Drawings, “Extension Lines,” Paragraph 1, Sentence 4

Answer 9

c. extension

Question 10

If the dimensions in the field are in conflict with the blueprint, ____.

a. change the dimension value on the print
b. contact the job supervisor for clarification
c. disregard the blueprint dimension
d. the blueprint must be redrawn

Reference: Scaling and Dimensioning Drawings, “Dimensioning,” Paragraph 1, Sentence 2

Answer 10

b. contact the job supervisor for clarification

Question 11

The ends of a(n) ____ line may be indicated with an arrowhead, a slash, or dot.

a. dimension
b. extension
c. hidden
d. section

Reference: Scaling and Dimensioning Drawings, “Extension Lines,” Paragraph 1, Sentence 6

Answer 11

a. dimension

Question 12

To define the distance a structure is from a known reference point, ____ dimensions are used.

a. grid
b. location
c. phantom
d. profile

Reference: Scaling and Dimensioning Drawings, “Types of Dimensions,” Paragraph 1, Sentence 2

Answer 12

b. location

Question 13

If no dimension is given and the blueprint cannot be accurately scaled, the worker should consult the ____ , schedules, specifications, or the most current National Electrical Code for the equipment location in question.

a. blueprint notes
b. clearing drawings
c. condemnation drawings
d. vicinity maps

Reference: Scaling and Dimensioning Drawings, “Conclusion,” Paragraph 1, Sentence 3

Answer 13

a. blueprint notes

Question 14

The reading is started from the one-inch mark if a ____ is used to take a measurement off a blueprint.

a. curvimeter
b. framing square
c. tape measure
d. ruler

Reference: Scaling and Dimensioning Drawings, “Scaling Drawings,” Paragraph 2, Sentence 1

Answer 14

c. tape measure

Question 15

A line that is used to transfer a point out or get it away from the drawing where it can be dimensioned is a(n) ____ line.

a. extension
b. leader
c. short break
d. transfer

Reference: Scaling and Dimensioning Drawings, “Extension Lines,” Paragraph 1, Sentence 2

Answer 15

a. extension

Question 16

If a dimension line is too small to write a dimension on it, the dimension is written away from the drawing and a(n) ____ line is used from the dimension to the drawing to which it applies.

a. cutting plane
b. hidden
c. leader
d. object

Reference: Scaling and Dimensioning Drawings, “Types of Dimensions,” Paragraph 2, Sentence 2

Answer 16

c. leader