NICET Level 1 in Highway
Construction Final Exam and Correct
Answers 2025-2026 Set.
Half-life - Answer The rate of decay is measured by its
1 - Answer The pH number that indicates the greatest acidity is
5KG - Answer Approximate mass of 49N weight is
Atomic nucleus - 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? - 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? - Answer 65
Backfill for use around culverts and pipes consists of - Answer Granular materials
An inspector looks through one end of a drainage pipe. He is most likely checking - Answer
Alignment of the pipe
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? - Answer
Larger trench widths mean more backfill material, which increases costs.
The main purpose of sampling any material is? - Answer Obtain a small part of a lot to
represent the whole.
What is the water cement ratio? - Answer Weight of water/weight of cement
Wet sieve - Answer Used to separate fine grain from coarse grain. It carried out by washing the
, Slump test of concrete test all but which one of the following? Water cement ratio, admixture
content, strength, durability/workability, water content. - Answer Strength
For a concrete slump test how is the cone to be filled with concrete? - Answer 3 equal layers
according to volume
How is the bearing of a line notated? - Answer S 23° 30' E
Horizontal distances over sloping ground are usually determined by? - 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'? - 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? - 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? - Answer Used to determine the subdivision of
the smallest division of a scale.
What is the proper tension for a 100' steel tape? - Answer 25 pounds
When measuring with a steel tape a sag is detected. What will the reading be? - Answer Too
large
A number 6 reinforcing bar has what size diameter? - Answer Multiply the size by 1/8"
6 x 1/8 = 0.75"
Answer is 0.75"
Construction Final Exam and Correct
Answers 2025-2026 Set.
Half-life - Answer The rate of decay is measured by its
1 - Answer The pH number that indicates the greatest acidity is
5KG - Answer Approximate mass of 49N weight is
Atomic nucleus - 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? - 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? - Answer 65
Backfill for use around culverts and pipes consists of - Answer Granular materials
An inspector looks through one end of a drainage pipe. He is most likely checking - Answer
Alignment of the pipe
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? - Answer
Larger trench widths mean more backfill material, which increases costs.
The main purpose of sampling any material is? - Answer Obtain a small part of a lot to
represent the whole.
What is the water cement ratio? - Answer Weight of water/weight of cement
Wet sieve - Answer Used to separate fine grain from coarse grain. It carried out by washing the
, Slump test of concrete test all but which one of the following? Water cement ratio, admixture
content, strength, durability/workability, water content. - Answer Strength
For a concrete slump test how is the cone to be filled with concrete? - Answer 3 equal layers
according to volume
How is the bearing of a line notated? - Answer S 23° 30' E
Horizontal distances over sloping ground are usually determined by? - 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'? - 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? - 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? - Answer Used to determine the subdivision of
the smallest division of a scale.
What is the proper tension for a 100' steel tape? - Answer 25 pounds
When measuring with a steel tape a sag is detected. What will the reading be? - Answer Too
large
A number 6 reinforcing bar has what size diameter? - Answer Multiply the size by 1/8"
6 x 1/8 = 0.75"
Answer is 0.75"
