Arizona Excavating Contractor Exam –
Practice Questions & Answers with Safety,
Grading & Utility Topics | 100% Verified |
Graded A+
Page 1 of 171
,Question 1
For structures with a maximum plan dimension not more than blank continuous
foundations are required at exterior walls only
Correct Answer
50'
Question 1
Who has the authority to change or adjust the shoring method of an
excavation?
Correct Answer
Engineer
Question 2
Referring to the illustration, if the height of the slope is 15 feet, the minimum
distance from the toe of the slope to the face of the structure is __________ feet.
Correct Answer
7.5
Question 3
Which backfill material can meet maximum density requirements with minimal
compaction when placed in a moisture saturated condition? Assume drainage is
available at the fill site.
Correct Answer
Sand
Page 2 of 171
,Question 4
A sand cone test is used to measure?
Correct Answer
Compaction
Question 5
When sheet piling is driven, which of the following should be used?
Correct Answer
Vibro Driver
Question 6
Which type of scraper normally operates without the help of a pusher?
Correct Answer
Elevating
Question 7
A scraper (pan hauler) is capable of moving 30 cubic yards of material at a time,
operates at an average speed of 4 miles per hour, and has an operating
efficiency of 50 minutes per hour. If the material will expand 25%, how many
yards of material can the scraper move in one hour in a one mile round trip?
Correct Answer
80 cubic yards
Question 8
What blade is commonly used for backfilling?
Correct Answer
A blade
Page 3 of 171
, Question 9
What material would you add to the loose fill to make it more cement list for
better traction?
Correct Answer
Aggregate
Question 10
While trenching and excavating, OSHA requires that employees be protected
from excavated materials and other materials stored near the trench or
excavation. These materials must be at least _________ from the trench or
excavation.
Correct Answer
2 feet
Question 11
Why would you add hydrated lime to an asphalt mix?
Correct Answer
Reduce moisture damage occurrence
Question 12
What is the maximum slope required for excavations in unstable soil?
Correct Answer
1-1/2:1
Question 13
The best way for the blast not to come out for the hole is _________.
Correct Answer
Stemming
Page 4 of 171
Practice Questions & Answers with Safety,
Grading & Utility Topics | 100% Verified |
Graded A+
Page 1 of 171
,Question 1
For structures with a maximum plan dimension not more than blank continuous
foundations are required at exterior walls only
Correct Answer
50'
Question 1
Who has the authority to change or adjust the shoring method of an
excavation?
Correct Answer
Engineer
Question 2
Referring to the illustration, if the height of the slope is 15 feet, the minimum
distance from the toe of the slope to the face of the structure is __________ feet.
Correct Answer
7.5
Question 3
Which backfill material can meet maximum density requirements with minimal
compaction when placed in a moisture saturated condition? Assume drainage is
available at the fill site.
Correct Answer
Sand
Page 2 of 171
,Question 4
A sand cone test is used to measure?
Correct Answer
Compaction
Question 5
When sheet piling is driven, which of the following should be used?
Correct Answer
Vibro Driver
Question 6
Which type of scraper normally operates without the help of a pusher?
Correct Answer
Elevating
Question 7
A scraper (pan hauler) is capable of moving 30 cubic yards of material at a time,
operates at an average speed of 4 miles per hour, and has an operating
efficiency of 50 minutes per hour. If the material will expand 25%, how many
yards of material can the scraper move in one hour in a one mile round trip?
Correct Answer
80 cubic yards
Question 8
What blade is commonly used for backfilling?
Correct Answer
A blade
Page 3 of 171
, Question 9
What material would you add to the loose fill to make it more cement list for
better traction?
Correct Answer
Aggregate
Question 10
While trenching and excavating, OSHA requires that employees be protected
from excavated materials and other materials stored near the trench or
excavation. These materials must be at least _________ from the trench or
excavation.
Correct Answer
2 feet
Question 11
Why would you add hydrated lime to an asphalt mix?
Correct Answer
Reduce moisture damage occurrence
Question 12
What is the maximum slope required for excavations in unstable soil?
Correct Answer
1-1/2:1
Question 13
The best way for the blast not to come out for the hole is _________.
Correct Answer
Stemming
Page 4 of 171
