Lesson 7

Question 1

When digging a pole hole, the ? determines the diameter of the hole.

a. engineer specs
b. digger operator
c. size of the pole
d. truck-mounted digger

Answer 1

c. size of the pole

Reference: Digging Holes and Trenches, “When Digging Pole Holes,” Paragraph 1, Sentence 1

Question 3

When digging a hole for a pole, the hole should be big enough to allow for ? all around the pole for tamping purposes.

a. 1”
b. 2”
c. 3”
d. 8”

Answer 3

c. 3”

Reference: Digging Holes and Trenches, “When Digging Pole Holes,” Paragraph 1, Sentence 2

Question 4

Two factors that determine how deep a pole should be set are the type of soil and the ? .

a. circumference of the pole
b. length of the pole
c. the length of the Kelly bar
d. the size of the auger bit

Answer 4

b. length of the pole

Reference: Digging Holes and Trenches, “When Digging Pole Holes,” Paragraph 1, Sentence 5

Question 5

An 80-foot pole, in good soil, should be set to a depth of ? .

a. 6’
b. 8’
c. 10’
d. 13’

Answer 5

c. 10’

Reference: Digging Holes and Trenches, “When Digging Pole Holes,” Paragraph 1, Sentence 4

Question 6

A pole hole for a 25-foot pole should be dug in soil to a depth of ? minimum.

a. 2.5’
b. 4’
c. 5’
d. 6’

Answer 6

c. 5’

Reference: Digging Holes and Trenches, “When Digging Pole Holes,” Paragraph 1, Sentence 7

Question 7

A pole hole for a 65-foot, Class 2 pole should be dug in soil to a depth of ? .

a. 6.5’
b. 7.5’
c. 8’
d. 8.5’

Answer 7

d. 8.5’

Reference: Digging Holes and Trenches, “When Digging Pole Holes,” Paragraph 1, Sentence 4

Question 8

A pole hole for a 100-foot, Class H1 pole should be dug in soil to a depth of ? .

a. 10’
b. 10.5’
c. 11’
d. 12’

Answer 8

d. 12’

Reference: Digging Holes and Trenches, “When Digging Pole Holes,” Paragraph 1, Sentence 3

Question 9

According to this lesson, there are five tools that could be used to manually dig a pole hole.

True or False?

Answer 9

True

Reference: Digging Holes and Trenches, “When Digging by Hand,” Paragraph 1, Sentence 1

Question 10

A “spoon” is not one of the tools commonly used to manually dig pole holes.

True or False?

Answer 10

False

Reference: Digging Holes and Trenches, “When Digging by Hand,” Paragraph 1, Sentence 1

Question 11

When manually digging a pole hole, use long-handled jobbers or a ? to get the dirt out of the bottom of the hole.

a. banjo
b. bucket
c. post-hole digger
d. spoon

Answer 11

d. spoon

Reference: Digging Holes and Trenches, “When Digging by Hand,” Paragraph 1, Sentence 3

Question 12

When manually digging a pole hole in rocky or frozen soil, a Qualified Electrical Worker would normally use a long-handled shovel to break up the soil.

True or False?

Answer 12

False

Reference: Digging Holes and Trenches, “When Digging by Hand,” Paragraph 1, Sentence 4

Question 13

Before removing the location stake at the site of the pole hole, a Qualified Electrical Worker should ? .

a. mark an outline of the hole around the stake
b. make sure the anchor stake lines up
c. make sure the pole is facing in the same direction as the stake
d. make sure the stake indicates the proper guying location for the pole

Answer 13

a. mark an outline of the hole around the stake

Reference: Digging Holes and Trenches, “Preparing to Dig a Pole Hole,” Paragraph 1, Sentence 2

Question 14

When marking the circle for a pole hole, the diameter of the hole should be marked ? larger than the diameter of the pole butt.

a. 4”
b. 6”
c. 8”
d. 10”

Answer 14

b. 6”

Reference: Digging Holes and Trenches, “Preparing to Dig a Pole Hole,” Paragraph 1, Sentence 2

Question 15

Two reasons for using a digger derrick to dig pole holes are that it speeds up the work and it also reduces the physical effort on the part of the crew.

True or False?

Answer 15

True

Reference: Digging Holes and Trenches, “When Digging Pole Holes,” Paragraph 1, Sentence 8

Question 16

In order to dig a pole hole in rocky soil, a Qualified Electrical Worker would use the ? method.

a. blasting
b. hand/spoon
c. rock auger
d. water blasting

Answer 16

c. rock auger

Reference: Digging Holes and Trenches, “When Digging Pole Holes,” Paragraph 1, Sentence 9

Question 17

The most common method for digging pole holes is with a ? .

a. bed-mounted digger
b. digger derrick
c. pick and shovel
d. sand auger

Answer 17

b. digger derrick

Reference: Digging Holes and Trenches, “When Digging Pole Holes,” Paragraph 1, Sentence 8

Question 18

Working around, and in, excavations is one of the ? jobs in the construction industry.

a. best paying
b. best planned
c. most dangerous
d. most demanding

Answer 18

c. most dangerous

Reference: Digging Holes and Trenches, “Introduction,” Paragraph 1, Last Sentence

Question 19

A(n) ? is a man-made cut, cavity, trench, or depression in the earth’s surface formed by earth removal.

a. confined space
b. direct-buried cable run
c. enclosed space
d. excavation

Answer 19

d. excavation

NJATC Safety Handbook, Pg. 96, Sentence 1

Question 21

There are ? categories of hazards on an excavation project described in this lesson.

a. 2
b. 3
c. 4
d. 5

Answer 21

b. 3

NJATC Safety Handbook, Pg. 96, Paragraph 1

Question 22

Underground utilities on an excavation project are not a hazard because of the “One Call” system.

True or False?

Answer 22

False

NJATC Safety Handbook, Pg. 96, Number 1

Question 23

The ? Rule, as applied to excavations, states that an exit must be provided if the excavation is four feet deep and there is the possibility of a cave-in.

a. Depth Hazard
b. Emergency Escape
c. Four-Foot
d. Twenty-Five Foot

Answer 23

c. Four-Foot

NJATC Safety Handbook, Pg. 97, Number 3

Question 24

If an exit must be provided at an excavation, the exit must be within ? of lateral travel from the worker.

a. 10’
b. 15’
c. 20’
d. 25’

Answer 24

d. 25’

NJATC Safety Handbook, Pg. 97, Number 3

Question 25

When getting ready to dig a hole to set a pole, 911 should be called to get the location of all underground utilities. True or False?

Answer 25

False ## Footnote Introductory Information, Paragraph 2, Sentence 3