NICET LEVEL 1 IN HIGHWAY CONSTRUCTION EXAM |
EXAM QUESTIONS AND CORRECT ANSWERS |
ALREADY GRADED A+
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 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? - ANSWER -Density
check
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"
What does critical path method mean? - ANSWER -It is the speed a project can be
completed. It does not include any float days.
A map has a scale of 1" = 2.5 miles. The distance between two points is on the map is
3". What is the actual distance on the ground between these two points? - ANSWER -3
x 2.5 x 5.280' = 39,600 ft.
Define a contour line - ANSWER -A line drawn on a plan, which connects all points of
equal elevation, above or below a known or assumed reference point or plane.
Drainage always occurs? - ANSWER -Perpendicular (at right angle) to the contour lines
What instrument is commonly used to check the area on a map? - ANSWER -
Planimeter
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
EXAM QUESTIONS AND CORRECT ANSWERS |
ALREADY GRADED A+
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 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? - ANSWER -Density
check
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"
What does critical path method mean? - ANSWER -It is the speed a project can be
completed. It does not include any float days.
A map has a scale of 1" = 2.5 miles. The distance between two points is on the map is
3". What is the actual distance on the ground between these two points? - ANSWER -3
x 2.5 x 5.280' = 39,600 ft.
Define a contour line - ANSWER -A line drawn on a plan, which connects all points of
equal elevation, above or below a known or assumed reference point or plane.
Drainage always occurs? - ANSWER -Perpendicular (at right angle) to the contour lines
What instrument is commonly used to check the area on a map? - ANSWER -
Planimeter
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
