AK Utility Contractor Exam — Practice
Exam Practice Questions And Correct
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Rationales 2027 Q&A | Instant
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1. What is the primary purpose of utility construction plans?
A. To determine employee wages
B. To show the location, design, dimensions, and requirements of the utility
work
C. To replace all field inspections
D. To establish equipment rental rates
Answer: B. To show the location, design, dimensions, and requirements of
the utility work
Rationale: Utility construction plans provide the contractor with the
technical information needed to construct the project correctly, including
alignments, elevations, dimensions, materials, and installation details.
,2. Before excavating near an existing underground utility, what should a
contractor do first?
A. Begin excavation with a backhoe
B. Assume the utility is at least 6 feet deep
C. Have underground utilities located and marked
D. Remove nearby pavement
Answer: C. Have underground utilities located and marked
Rationale: Locating and marking existing utilities before excavation helps
prevent utility strikes, service interruptions, injuries, and property damage.
3. What is the main purpose of trench shoring?
A. Increase excavation speed
B. Prevent trench wall collapse
C. Reduce pipe diameter
D. Improve pavement appearance
Answer: B. Prevent trench wall collapse
Rationale: Shoring supports trench walls and protects workers from cave-
ins, one of the most serious hazards associated with excavation.
,4. Which condition generally requires special attention when excavating a
trench?
A. Stable dry soil
B. Unused hand tools
C. Accumulated water
D. Clean warning signs
Answer: C. Accumulated water
Rationale: Water can weaken soil, increase the likelihood of trench
collapse, and create drowning, electrical, and equipment hazards.
5. What is the purpose of bedding beneath a buried utility pipe?
A. To provide uniform support for the pipe
B. To eliminate the need for backfill
C. To increase pipe temperature
D. To prevent all groundwater movement
Answer: A. To provide uniform support for the pipe
, Rationale: Proper bedding distributes loads and supports the pipe
uniformly, helping prevent deformation, cracking, settlement, and joint
problems.
6. Which instrument is commonly used to establish elevations on a utility
project?
A. Level
B. Pipe wrench
C. Torque wrench
D. Concrete vibrator
Answer: A. Level
Rationale: A surveying level is used to establish and transfer elevations,
which are critical for gravity sewer, drainage, and other utility
installations.
7. What does a benchmark provide on a construction project?
A. A known elevation reference
B. A material delivery schedule
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationales 2027 Q&A | Instant
Download Pdf
1. What is the primary purpose of utility construction plans?
A. To determine employee wages
B. To show the location, design, dimensions, and requirements of the utility
work
C. To replace all field inspections
D. To establish equipment rental rates
Answer: B. To show the location, design, dimensions, and requirements of
the utility work
Rationale: Utility construction plans provide the contractor with the
technical information needed to construct the project correctly, including
alignments, elevations, dimensions, materials, and installation details.
,2. Before excavating near an existing underground utility, what should a
contractor do first?
A. Begin excavation with a backhoe
B. Assume the utility is at least 6 feet deep
C. Have underground utilities located and marked
D. Remove nearby pavement
Answer: C. Have underground utilities located and marked
Rationale: Locating and marking existing utilities before excavation helps
prevent utility strikes, service interruptions, injuries, and property damage.
3. What is the main purpose of trench shoring?
A. Increase excavation speed
B. Prevent trench wall collapse
C. Reduce pipe diameter
D. Improve pavement appearance
Answer: B. Prevent trench wall collapse
Rationale: Shoring supports trench walls and protects workers from cave-
ins, one of the most serious hazards associated with excavation.
,4. Which condition generally requires special attention when excavating a
trench?
A. Stable dry soil
B. Unused hand tools
C. Accumulated water
D. Clean warning signs
Answer: C. Accumulated water
Rationale: Water can weaken soil, increase the likelihood of trench
collapse, and create drowning, electrical, and equipment hazards.
5. What is the purpose of bedding beneath a buried utility pipe?
A. To provide uniform support for the pipe
B. To eliminate the need for backfill
C. To increase pipe temperature
D. To prevent all groundwater movement
Answer: A. To provide uniform support for the pipe
, Rationale: Proper bedding distributes loads and supports the pipe
uniformly, helping prevent deformation, cracking, settlement, and joint
problems.
6. Which instrument is commonly used to establish elevations on a utility
project?
A. Level
B. Pipe wrench
C. Torque wrench
D. Concrete vibrator
Answer: A. Level
Rationale: A surveying level is used to establish and transfer elevations,
which are critical for gravity sewer, drainage, and other utility
installations.
7. What does a benchmark provide on a construction project?
A. A known elevation reference
B. A material delivery schedule
