NICET LEVEL 3 HIGHWAY CONSTRUCTION
PRACTICE EXAM QUESTIONS WITH
VERIFIED SOLUTIONS NEW UPDATE EXAM
What should happen prior and during the installation of loops wires? -
-CORRECT ANSWER--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? --CORRECT ANSWER--
continuously
What is placed ontop of continuous loop wires? --CORRECT
ANSWER--2' long Backer Rod
What is the required wire slack amount left inside of pull box? --
CORRECT ANSWER--Minimum of 36"
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,How long until subjected live load can be applied to anchor bolts? --
CORRECT ANSWER--Until concrete meets it required 28 day
strength
What type of pattern is recommended when tightening bolts? --
CORRECT ANSWER--The Star Pattern
Prior to erection of traffic lights, What are the elements an inspector is
looking for? --CORRECT ANSWER--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? --CORRECT ANSWER--1.Posts
2. End Frames
3. Mast arms
4. Trusses
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,How can light poles be erected? --CORRECT ANSWER--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? --CORRECT ANSWER--
Magnetic Particle testing (MT) and dye-penetrant (PT) testing or
ultrasonic testing
What should be provided if conduit crosses a structural joint? --
CORRECT ANSWER--Metal expansion and deflection fittings
What is the dimensions of the copper clad steel rods? --CORRECT
ANSWER--Rods should be 5/8th thick and 8' long.
What are the size of micropiles? --CORRECT ANSWER--Typically
less than 12"
What is the size of driven piles? --CORRECT ANSWER--Between
12 and 36"
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, How are lights and luminaires controlled? --CORRECT ANSWER--
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? --CORRECT ANSWER--
Initial, Interim and routine
How many times per foot should loop wires be twisted? --CORRECT
ANSWER--5 twists per foot
How wide should loops be cut and at what depth? --CORRECT
ANSWER--5/16th Wide and 1 3/4" deep
what should be installed on loops wires they cross a crack or joint? --
CORRECT ANSWER--A plastic sleeve that extends 4" past the
joint/crack.
How should spare signal conductors be arraigned inside the box? --
CORRECT ANSWER--Spare conductors should be connected to a
terminals. unused
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PRACTICE EXAM QUESTIONS WITH
VERIFIED SOLUTIONS NEW UPDATE EXAM
What should happen prior and during the installation of loops wires? -
-CORRECT ANSWER--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? --CORRECT ANSWER--
continuously
What is placed ontop of continuous loop wires? --CORRECT
ANSWER--2' long Backer Rod
What is the required wire slack amount left inside of pull box? --
CORRECT ANSWER--Minimum of 36"
Page | 1
,How long until subjected live load can be applied to anchor bolts? --
CORRECT ANSWER--Until concrete meets it required 28 day
strength
What type of pattern is recommended when tightening bolts? --
CORRECT ANSWER--The Star Pattern
Prior to erection of traffic lights, What are the elements an inspector is
looking for? --CORRECT ANSWER--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? --CORRECT ANSWER--1.Posts
2. End Frames
3. Mast arms
4. Trusses
Page | 2
,How can light poles be erected? --CORRECT ANSWER--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? --CORRECT ANSWER--
Magnetic Particle testing (MT) and dye-penetrant (PT) testing or
ultrasonic testing
What should be provided if conduit crosses a structural joint? --
CORRECT ANSWER--Metal expansion and deflection fittings
What is the dimensions of the copper clad steel rods? --CORRECT
ANSWER--Rods should be 5/8th thick and 8' long.
What are the size of micropiles? --CORRECT ANSWER--Typically
less than 12"
What is the size of driven piles? --CORRECT ANSWER--Between
12 and 36"
Page | 3
, How are lights and luminaires controlled? --CORRECT ANSWER--
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? --CORRECT ANSWER--
Initial, Interim and routine
How many times per foot should loop wires be twisted? --CORRECT
ANSWER--5 twists per foot
How wide should loops be cut and at what depth? --CORRECT
ANSWER--5/16th Wide and 1 3/4" deep
what should be installed on loops wires they cross a crack or joint? --
CORRECT ANSWER--A plastic sleeve that extends 4" past the
joint/crack.
How should spare signal conductors be arraigned inside the box? --
CORRECT ANSWER--Spare conductors should be connected to a
terminals. unused
Page | 4
