NICET Highway Construction
Inspector Level III Practice Exam 1
Question and answers 100% correct
2025/2026
During installation of traffic loops in the pavement, which three statements apply prior to and during the
installation of loop wire? (Choose 3).
a) Do not allow vehicular traffic over an open saw cut.
b) Do not overlap saw cuts at the corner.
c) Thoroughly clean the saw cut of foreign material.
d) Use a plastic sleeve where loop wire crosses a joint. - correct answer ✔a) Do not allow vehicular
traffic over an open saw cut.
c) Thoroughly clean the saw cut of foreign material.
d) Use a plastic sleeve where loop wire crosses a joint.
The contractor is installing a culvert with a 12-inch reinforced concrete pipe ( outside diameter of 16.50
inches) from Sta 10+00, 40 feet Left to STA 10+00, 65 feet Right on 4-inch bedding material. The 12-inch
RCP outlet is to be installed at Sta 10+00, 40 feet Left at an invert elevation of 652.50.
If the conduit is installed at a 1.40% slope, what is the elevation of the foundation grade at Sta 10+00, 45
feet Right?
a) 652.04
b) 653.17
c) 653.36
d) 653.50 - correct answer ✔?
,On the reservoir side of a dam, erosion protection against wave action should extend up the slope to at
least which level?
a) crest of dam
b) maximum water elevation
c) minimum water elevation
d) two-thirds the height of the dam - correct answer ✔b) maximum water elevation
During stage construction while installing drainage, the contractor must complete which two of the
following tasks? (Choose two).
a) Bulk head the pipe until the system is complete.
b) Complete the entire system before it rains.
c) Maintain the existing drainage system until the new system is functional.
d) Provide temporary connections as needed to maintain the existing system. - correct answer ✔c)
Maintain the existing drainage system until the new system is functional.
d) Provide temporary connections as needed to maintain the existing system.
After flushing but before connecting a new main to the existing system, what test does an inspector
need to verify before placing the main into service?
a) bacteriological testing
b) cover testing
c) deflection testing
d) pressure testing - correct answer ✔d) pressure testing
, Which three types of inspections are completed for sign structures? (Choose three).
a) final inspection
b) interim inspection
c) initial inspection
d) routine inspection - correct answer ✔b) interim inspection
c) initial inspection
d) routine inspection
How many times per foot should loop lead-in wires be twisted?
a) 3 turns per foot
b) 5 turns per foot
c) 6 turns per foot
d) 7 turns per foot - correct answer ✔b) 5 turns per foot
Which phrase is true of test reports required for concrete sidewalks, asphalt pavement, concrete curb,
and pipe culverts for rest areas?
a) 50% required on roadway contracts
b) required for federal-aid projects only
c) same as roadway contracts
d) submitted in duplicate - correct answer ✔?
According to FP-14, when removing existing concrete structure in the roadbed, how many inches below
the subgrade elevation should the existing structure be removed to?
Inspector Level III Practice Exam 1
Question and answers 100% correct
2025/2026
During installation of traffic loops in the pavement, which three statements apply prior to and during the
installation of loop wire? (Choose 3).
a) Do not allow vehicular traffic over an open saw cut.
b) Do not overlap saw cuts at the corner.
c) Thoroughly clean the saw cut of foreign material.
d) Use a plastic sleeve where loop wire crosses a joint. - correct answer ✔a) Do not allow vehicular
traffic over an open saw cut.
c) Thoroughly clean the saw cut of foreign material.
d) Use a plastic sleeve where loop wire crosses a joint.
The contractor is installing a culvert with a 12-inch reinforced concrete pipe ( outside diameter of 16.50
inches) from Sta 10+00, 40 feet Left to STA 10+00, 65 feet Right on 4-inch bedding material. The 12-inch
RCP outlet is to be installed at Sta 10+00, 40 feet Left at an invert elevation of 652.50.
If the conduit is installed at a 1.40% slope, what is the elevation of the foundation grade at Sta 10+00, 45
feet Right?
a) 652.04
b) 653.17
c) 653.36
d) 653.50 - correct answer ✔?
,On the reservoir side of a dam, erosion protection against wave action should extend up the slope to at
least which level?
a) crest of dam
b) maximum water elevation
c) minimum water elevation
d) two-thirds the height of the dam - correct answer ✔b) maximum water elevation
During stage construction while installing drainage, the contractor must complete which two of the
following tasks? (Choose two).
a) Bulk head the pipe until the system is complete.
b) Complete the entire system before it rains.
c) Maintain the existing drainage system until the new system is functional.
d) Provide temporary connections as needed to maintain the existing system. - correct answer ✔c)
Maintain the existing drainage system until the new system is functional.
d) Provide temporary connections as needed to maintain the existing system.
After flushing but before connecting a new main to the existing system, what test does an inspector
need to verify before placing the main into service?
a) bacteriological testing
b) cover testing
c) deflection testing
d) pressure testing - correct answer ✔d) pressure testing
, Which three types of inspections are completed for sign structures? (Choose three).
a) final inspection
b) interim inspection
c) initial inspection
d) routine inspection - correct answer ✔b) interim inspection
c) initial inspection
d) routine inspection
How many times per foot should loop lead-in wires be twisted?
a) 3 turns per foot
b) 5 turns per foot
c) 6 turns per foot
d) 7 turns per foot - correct answer ✔b) 5 turns per foot
Which phrase is true of test reports required for concrete sidewalks, asphalt pavement, concrete curb,
and pipe culverts for rest areas?
a) 50% required on roadway contracts
b) required for federal-aid projects only
c) same as roadway contracts
d) submitted in duplicate - correct answer ✔?
According to FP-14, when removing existing concrete structure in the roadbed, how many inches below
the subgrade elevation should the existing structure be removed to?
