NICET LEVEL 3 HIGHWAY
CONSTRUCTION NEWEST 2024 ACTUAL
EXAM 170 QUESTIONS AND CORRECT
DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS)
How are lights and luminaires controlled? - Right Ansa -By a PhotoCell Control and
for circuits operating at less than 10 amps, a Photocell switch is used
What are the three types of inspection? - Right Ansa -Initial, Interim and routine
How many times per foot should loop wires be twisted? - Right Ansa -5 twists per
foot
How wide should loops be cut and at what depth? - Right Ansa -5/16th Wide and
1 3/4" deep
what should be installed on loops wires they cross a crack or joint? - Right Ansa -A
plastic sleeve that extends 4" past the joint/crack.
How should spare signal conductors be arraigned inside the box? - Right Ansa -
Spare conductors should be connected to a terminals. unused
What should happen prior and during the installation of loops wires? - Right Ansa
-1. Clean saw cuts and remove debris by means of sandblasting, water blasting or
wire brushing
2. Do not allow vehicles to drive over open cuts
3. Utilized plastic sleeves between joints
How is loop wire required to be placed? - Right Ansa -continuously
What is placed ontop of continuous loop wires? - Right Ansa -2' long Backer Rod
,What is the required wire slack amount left inside of pull box? - Right Ansa -
Minimum of 36"
How long until subjected live load can be applied to anchor bolts? - Right Ansa -
Until concrete meets it required 28 day strength
What type of pattern is recommended when tightening bolts? - Right Ansa -The
Star Pattern
Prior to erection of traffic lights, What are the elements an inspector is looking
for? - Right Ansa -1.Bent or damaged parts
2. damaged coatings
3. Distortions
4. defective fabrication
What elements of a traffic light assembly should be inspected prior to erection? -
Right Ansa -1.Posts
2. End Frames
3. Mast arms
4. Trusses
How can light poles be erected? - Right Ansa -Light poles and light supports can
be assembled from the ground if they contain a short cantilevered arms.
What are the inspection types for welds? - Right Ansa -Magnetic Particle testing
(MT) and dye-penetrant (PT) testing or ultrasonic testing
What should be provided if conduit crosses a structural joint? - Right Ansa -Metal
expansion and deflection fittings
What is the dimensions of the copper clad steel rods? - Right Ansa -Rods should
be 5/8th thick and 8' long.
What are the size of micropiles? - Right Ansa -Typically less than 12"
What is the size of driven piles? - Right Ansa -Between 12 and 36"
, What is the required surface temperature for painting a bridge? - Right Ansa -
Surface temps must be between 50 and 100 degrees
When painting a bridge, what must be the humidity percentage be? - Right Ansa -
85% or less unless manufactures recommendations say otherwise
When cleaning unsound paint, how far into the intact coat should you be? - Right
Ansa -Extend the prepared area at least 2 inches into adjacent tightly adhering,
intact coating.
When should primer be applied when painting a bridge? - Right Ansa -. Only
where paint is removed to bare metal. Otherwise, apply only intermediate and
finish paints
What do the color bonnets on fire hydrants mean? - Right Ansa -Light Blue -
1,500GPM or above
Green: 1000-1499GPM
Orange: 500 - 999GPM
Red: Less than 500 GPM
What should be done to inoperable fire hydrants? - Right Ansa -Fire hydrants
should be wrapped or parts on the hydrant color black
What should be done if a hydrant is 20GPM or below? - Right Ansa -GPM should
be stenciled on the fire hydrant caps and top.
What is the working pressure rating for fire hydrants? - Right Ansa -250PSI
What do the fire hydrant body colors mean? - Right Ansa -Red - Privately owned
Yellow- Municipality Owned
Light Purple- Non portable
What should be placed and for how long when trial drilled shafts are being done?
- Right Ansa -Steel casing should be installed for 4 hours. Once the 4 hours is
completed, the hole is filled with saturated sand.
What do boring logs contain? - Right Ansa -1. Type or rock/soil encountered
CONSTRUCTION NEWEST 2024 ACTUAL
EXAM 170 QUESTIONS AND CORRECT
DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS)
How are lights and luminaires controlled? - Right Ansa -By a PhotoCell Control and
for circuits operating at less than 10 amps, a Photocell switch is used
What are the three types of inspection? - Right Ansa -Initial, Interim and routine
How many times per foot should loop wires be twisted? - Right Ansa -5 twists per
foot
How wide should loops be cut and at what depth? - Right Ansa -5/16th Wide and
1 3/4" deep
what should be installed on loops wires they cross a crack or joint? - Right Ansa -A
plastic sleeve that extends 4" past the joint/crack.
How should spare signal conductors be arraigned inside the box? - Right Ansa -
Spare conductors should be connected to a terminals. unused
What should happen prior and during the installation of loops wires? - Right Ansa
-1. Clean saw cuts and remove debris by means of sandblasting, water blasting or
wire brushing
2. Do not allow vehicles to drive over open cuts
3. Utilized plastic sleeves between joints
How is loop wire required to be placed? - Right Ansa -continuously
What is placed ontop of continuous loop wires? - Right Ansa -2' long Backer Rod
,What is the required wire slack amount left inside of pull box? - Right Ansa -
Minimum of 36"
How long until subjected live load can be applied to anchor bolts? - Right Ansa -
Until concrete meets it required 28 day strength
What type of pattern is recommended when tightening bolts? - Right Ansa -The
Star Pattern
Prior to erection of traffic lights, What are the elements an inspector is looking
for? - Right Ansa -1.Bent or damaged parts
2. damaged coatings
3. Distortions
4. defective fabrication
What elements of a traffic light assembly should be inspected prior to erection? -
Right Ansa -1.Posts
2. End Frames
3. Mast arms
4. Trusses
How can light poles be erected? - Right Ansa -Light poles and light supports can
be assembled from the ground if they contain a short cantilevered arms.
What are the inspection types for welds? - Right Ansa -Magnetic Particle testing
(MT) and dye-penetrant (PT) testing or ultrasonic testing
What should be provided if conduit crosses a structural joint? - Right Ansa -Metal
expansion and deflection fittings
What is the dimensions of the copper clad steel rods? - Right Ansa -Rods should
be 5/8th thick and 8' long.
What are the size of micropiles? - Right Ansa -Typically less than 12"
What is the size of driven piles? - Right Ansa -Between 12 and 36"
, What is the required surface temperature for painting a bridge? - Right Ansa -
Surface temps must be between 50 and 100 degrees
When painting a bridge, what must be the humidity percentage be? - Right Ansa -
85% or less unless manufactures recommendations say otherwise
When cleaning unsound paint, how far into the intact coat should you be? - Right
Ansa -Extend the prepared area at least 2 inches into adjacent tightly adhering,
intact coating.
When should primer be applied when painting a bridge? - Right Ansa -. Only
where paint is removed to bare metal. Otherwise, apply only intermediate and
finish paints
What do the color bonnets on fire hydrants mean? - Right Ansa -Light Blue -
1,500GPM or above
Green: 1000-1499GPM
Orange: 500 - 999GPM
Red: Less than 500 GPM
What should be done to inoperable fire hydrants? - Right Ansa -Fire hydrants
should be wrapped or parts on the hydrant color black
What should be done if a hydrant is 20GPM or below? - Right Ansa -GPM should
be stenciled on the fire hydrant caps and top.
What is the working pressure rating for fire hydrants? - Right Ansa -250PSI
What do the fire hydrant body colors mean? - Right Ansa -Red - Privately owned
Yellow- Municipality Owned
Light Purple- Non portable
What should be placed and for how long when trial drilled shafts are being done?
- Right Ansa -Steel casing should be installed for 4 hours. Once the 4 hours is
completed, the hole is filled with saturated sand.
What do boring logs contain? - Right Ansa -1. Type or rock/soil encountered
