NICET LEVEL 1 IN HIGHWAY CONSTRUCTION
2025 EXAM | ALL 160 EXAM QUESTIONS AND
CORRECT ANSWERS | ALREADY GRADED A+
An important consideration in excavation for drainage is the trench width. Why is it
important to keep the trench width to that which is called for by the specifications, and
not larger? - >>> CORRECT ANSWER Larger trench widths mean more backfill material,
which increases costs.
The main purpose of sampling any material is? - >>> CORRECT ANSWER Obtain a small
part of a lot to represent the whole.
What is the water cement ratio? - >>> CORRECT ANSWER Weight of water/weight of
cement
Wet sieve - >>> CORRECT ANSWER Used to separate fine grain from coarse grain. It
carried out by washing the soil specimen on a 60pm sieve mesh.
In soil testing the test used to determine the ratio of the weight of a given volume of
material to the weight of an equal volume of water is known as? - >>> CORRECT
ANSWER Density check
Half life - >>> CORRECT ANSWER The rate of decay is measured by its
1 - >>> CORRECT ANSWER The pH number that indicates the greatest acidity is
,5KG - >>> CORRECT ANSWER Approximate mass of 49N weight is
Atomic nucleus - >>> CORRECT ANSWER The atomic number is the number of protons
in an atom
Flourine has an atomic weight of 19 and an atomic number of 9. What is the number of
neutrons in the atomic nucleus? - >>> CORRECT ANSWER 10
An atom has 30 protons and 35 neutrons in its nucleus. It has 30 electrons in its shells.
Its atomic weight would be? - >>> CORRECT ANSWER 65
Backfill for use around culverts and pipes consists of - >>> CORRECT ANSWER Granular
materials
An inspector looks through one end of a drainage pipe. He is most likely checking -
>>> CORRECT ANSWER Alignment of the pipe
Slump test of concrete test all but which one of the following? Water cement ratio,
admixture content, strength, durability/workability, water content. - >>> CORRECT
ANSWER Strength
For a concrete slump test how is the cone to be filled with concrete? - >>> CORRECT
ANSWER 3 equal layers according to volume
How is the bearing of a line notated? - >>> CORRECT ANSWER S 23° 30' E
, Horizontal distances over sloping ground are usually determined by? - >>> CORRECT
ANSWER Surveying tape and plumbing bob
A distance between two points 300' apart is measured on a hot day. The tape will show
a length greater than or less than 300'? - >>> CORRECT ANSWER Less
A road has a grade of 2.0% with an elevation of 1252.00 at station 450+20. What is the
elevation at station 455+30? - >>> CORRECT ANSWER 45530-45020 = 510'
510 x 0.020 = 10.2'
1252.0 + 10.2 = 1262.2
Answer is 1262.2
What is the varnier on a leveling rod used for? - >>> CORRECT ANSWER Used to
determine the subdivision of the smallest division of a scale.
What is the proper tension for a 100' steel tape? - >>> CORRECT ANSWER 25 pounds
When measuring with a steel tape a sag is detected. What will the reading be? - >>>
CORRECT ANSWER Too large
A number 6 reinforcing bar has what size diameter? - >>> CORRECT ANSWER Multiply
the size by 1/8"
6 x 1/8 = 0.75"
Answer is 0.75"
What does critical path method mean? - >>> CORRECT ANSWER It is the speed a
project can be completed. It does not include any float days.
2025 EXAM | ALL 160 EXAM QUESTIONS AND
CORRECT ANSWERS | ALREADY GRADED A+
An important consideration in excavation for drainage is the trench width. Why is it
important to keep the trench width to that which is called for by the specifications, and
not larger? - >>> CORRECT ANSWER Larger trench widths mean more backfill material,
which increases costs.
The main purpose of sampling any material is? - >>> CORRECT ANSWER Obtain a small
part of a lot to represent the whole.
What is the water cement ratio? - >>> CORRECT ANSWER Weight of water/weight of
cement
Wet sieve - >>> CORRECT ANSWER Used to separate fine grain from coarse grain. It
carried out by washing the soil specimen on a 60pm sieve mesh.
In soil testing the test used to determine the ratio of the weight of a given volume of
material to the weight of an equal volume of water is known as? - >>> CORRECT
ANSWER Density check
Half life - >>> CORRECT ANSWER The rate of decay is measured by its
1 - >>> CORRECT ANSWER The pH number that indicates the greatest acidity is
,5KG - >>> CORRECT ANSWER Approximate mass of 49N weight is
Atomic nucleus - >>> CORRECT ANSWER The atomic number is the number of protons
in an atom
Flourine has an atomic weight of 19 and an atomic number of 9. What is the number of
neutrons in the atomic nucleus? - >>> CORRECT ANSWER 10
An atom has 30 protons and 35 neutrons in its nucleus. It has 30 electrons in its shells.
Its atomic weight would be? - >>> CORRECT ANSWER 65
Backfill for use around culverts and pipes consists of - >>> CORRECT ANSWER Granular
materials
An inspector looks through one end of a drainage pipe. He is most likely checking -
>>> CORRECT ANSWER Alignment of the pipe
Slump test of concrete test all but which one of the following? Water cement ratio,
admixture content, strength, durability/workability, water content. - >>> CORRECT
ANSWER Strength
For a concrete slump test how is the cone to be filled with concrete? - >>> CORRECT
ANSWER 3 equal layers according to volume
How is the bearing of a line notated? - >>> CORRECT ANSWER S 23° 30' E
, Horizontal distances over sloping ground are usually determined by? - >>> CORRECT
ANSWER Surveying tape and plumbing bob
A distance between two points 300' apart is measured on a hot day. The tape will show
a length greater than or less than 300'? - >>> CORRECT ANSWER Less
A road has a grade of 2.0% with an elevation of 1252.00 at station 450+20. What is the
elevation at station 455+30? - >>> CORRECT ANSWER 45530-45020 = 510'
510 x 0.020 = 10.2'
1252.0 + 10.2 = 1262.2
Answer is 1262.2
What is the varnier on a leveling rod used for? - >>> CORRECT ANSWER Used to
determine the subdivision of the smallest division of a scale.
What is the proper tension for a 100' steel tape? - >>> CORRECT ANSWER 25 pounds
When measuring with a steel tape a sag is detected. What will the reading be? - >>>
CORRECT ANSWER Too large
A number 6 reinforcing bar has what size diameter? - >>> CORRECT ANSWER Multiply
the size by 1/8"
6 x 1/8 = 0.75"
Answer is 0.75"
What does critical path method mean? - >>> CORRECT ANSWER It is the speed a
project can be completed. It does not include any float days.
