Nicet Highway Construction Level 1 and
2 Questions and Answers
40 is 80% of what number? - ANSWER-40/ .80 = 50
A contract specifies the contractor will provide a 10 foot metal or wooden straight edge
of sturdy construction, lightweight and with a suitable handle. The inspector of this
bituminous concrete overlay project will use this straight edge to check what? -
ANSWER-Surface tolerance
A culvert is labeled CMPA. What does CMPA stand for? - ANSWER-Corrugated Metal
Pipe Arch Culvert
A girder measures 100' by 36" with flanges 12" wide. What is the surface area of the
girder to the nearest SF? - ANSWER-100' x 3' x 2 sides = 600 SF
12" x 2 (top and bottom) x 100' x 2
Flanges = 400 SF
Total - 1000 SF
A metal strike-off plate used in concrete testing must be at least ____ inches thick and if
made of glass or acrylic, must be at least ____ inches thick. The length and width of the
strike-off plate must be at least ____ inches greater than the diameter of the measure. -
ANSWER-.25, 0.5, 2
A pipe's invert elevation at the inlet is 153.5. A 100 ft run of pipe is to be installed at a -
2.0% grade. What is the elevation at the end of the pipe run? - ANSWER-100 x 0.02 =
2'
153.5 - 2.0 = 151.5'
A section of highway rises 18 feet in a mile. This is a _______% grade - ANSWER-1
mile = 5280 feet
18/5280 = .34%
A steel tape is used to measure the length between points "A" & "B" and the distance is
found to be 95'. The temperature of the tape at the time of measurement is 45 degrees
(F). If the tape is calibrated for 68 degrees (F) and no other factors are to be
considered, is the measurement correct? Short or long? Why? - ANSWER-The
measurement will be too long. The tape shrunk due to the cold and principles of
"Coefficient of Expansion".
A stiff asphalt mix is caused by? - ANSWER-The mix being too cold.
A tandem 2 wheel roller used for compacting asphalt weighs approximately? -
ANSWER-Varies from 2-8 tons.
,According to ASTM 143, how much time do you have to raise your slump cone? -
ANSWER-5 plus or minus 2 seconds
According to OSHA requirements, how far above the walking surface does a top rail on
a guardrail have to be? - ANSWER-Between 39" and 45"
Adjustments to the level of concrete is permitted after consolidation but must be made
prior to ________________ - __________. - ANSWER-striking-off
After all concrete samples have been transported to the place where tests are to be
performed; the samples must be _____________________ and
_____________________with a __________________ to ensure uniformity -
ANSWER-combined, remixed, shovel
After rodding each layer of concrete, tap the sides of the measuring container using a
mallet how many times to close the voids left by the tamping rod? - ANSWER-10-15
times
After strike-off, all excess concrete must be removed from the exterior of the bowl
before weighing. True or False - ANSWER-True
After the project no longer needs temp pavement markings, what should be done with
them? - ANSWER-Temporary pavement marking should be eradicated and permanent
markings should be installed.
Air content by the pressure method determines the air content from an observation of
the change in ________________ of concrete with a change in _________________. -
ANSWER-volume, pressure
An asphalt mix may flatten in a truck during delivery due to? - ANSWER-Excessive
asphalt in the mix or if the mix is too hot.
An inspector can find the requirements for the project compliance with environmental
consideration from: - ANSWER-Plans, specifications and contract documents.
ASTM C 1064 is used to verify what? - ANSWER-Conformance with concrete
specifications.
Backfill for pipes and culverts consist of? - ANSWER-Granular materials.
Before beginning earthwork, it is important to? - ANSWER-Verify location of
underground utilities through local one call system.
By looking through one end of a pipe, an inspector is able to check for? - ANSWER-
Alignment
, Can the terms "Transit" and "Level" be used synonymously? - ANSWER-No. A Transit
can measure vertical angles whereas a level cannot.
Clearing and grubbing on a rural 2 lane highway will normally be paid by? - ANSWER-
Acres
Concrete containing aggregate with a nominal maximum aggregate size greater than 3
inches may require up to how many minutes before the temperature stabilizes after
mixing? - ANSWER-20 minutes
Concrete pipe should be placed? - ANSWER-With the bell end of the pipe at the
upstream end.
Concrete reference thermometers must be accurate and readable to plus or minus how
many degrees? - ANSWER-+ or - 0.5
Define "Benchmark". - ANSWER-A Benchmark is a fixed exact point where an exact
elevation is known.
Define Optimum Moisture Content? - ANSWER-The degree or percentage of moisture
in soil at which the soil can be compacted to it's greatest density.
Describe the different procedures that can be used to collect a sample of concrete from
a stationary or revolving drum mixer. - ANSWER-Repeatedly Pass A Receptacle
Through The Entire Discharge Stream & Completely Divert The Discharge Stream Into
A Sample Container
Drainage always occurs? - ANSWER-Perpendicular (at right angle) to the contour lines.
Excessive vibration of concrete causing the top to become white, chalky and non
durable is called? - ANSWER-Laitance
Fence corners are strengthened by? - ANSWER-Horizontal post and tension wire.
Fertilizer application rate for a flat surface is how many lbs per acre? - ANSWER-Check
the spec. 800lbs per acre
For a concrete slump test, how is the cone to be filled with concrete? - ANSWER-In 3
equal layers.
For beams, if the NMAS is greater than 2 inches, wet sieving over the 2 inch sieve is
required. True or False - ANSWER-True
For concrete to be consolidated by vibration in a mold, how many layers? - ANSWER-
Fill the mold in two equal layers
2 Questions and Answers
40 is 80% of what number? - ANSWER-40/ .80 = 50
A contract specifies the contractor will provide a 10 foot metal or wooden straight edge
of sturdy construction, lightweight and with a suitable handle. The inspector of this
bituminous concrete overlay project will use this straight edge to check what? -
ANSWER-Surface tolerance
A culvert is labeled CMPA. What does CMPA stand for? - ANSWER-Corrugated Metal
Pipe Arch Culvert
A girder measures 100' by 36" with flanges 12" wide. What is the surface area of the
girder to the nearest SF? - ANSWER-100' x 3' x 2 sides = 600 SF
12" x 2 (top and bottom) x 100' x 2
Flanges = 400 SF
Total - 1000 SF
A metal strike-off plate used in concrete testing must be at least ____ inches thick and if
made of glass or acrylic, must be at least ____ inches thick. The length and width of the
strike-off plate must be at least ____ inches greater than the diameter of the measure. -
ANSWER-.25, 0.5, 2
A pipe's invert elevation at the inlet is 153.5. A 100 ft run of pipe is to be installed at a -
2.0% grade. What is the elevation at the end of the pipe run? - ANSWER-100 x 0.02 =
2'
153.5 - 2.0 = 151.5'
A section of highway rises 18 feet in a mile. This is a _______% grade - ANSWER-1
mile = 5280 feet
18/5280 = .34%
A steel tape is used to measure the length between points "A" & "B" and the distance is
found to be 95'. The temperature of the tape at the time of measurement is 45 degrees
(F). If the tape is calibrated for 68 degrees (F) and no other factors are to be
considered, is the measurement correct? Short or long? Why? - ANSWER-The
measurement will be too long. The tape shrunk due to the cold and principles of
"Coefficient of Expansion".
A stiff asphalt mix is caused by? - ANSWER-The mix being too cold.
A tandem 2 wheel roller used for compacting asphalt weighs approximately? -
ANSWER-Varies from 2-8 tons.
,According to ASTM 143, how much time do you have to raise your slump cone? -
ANSWER-5 plus or minus 2 seconds
According to OSHA requirements, how far above the walking surface does a top rail on
a guardrail have to be? - ANSWER-Between 39" and 45"
Adjustments to the level of concrete is permitted after consolidation but must be made
prior to ________________ - __________. - ANSWER-striking-off
After all concrete samples have been transported to the place where tests are to be
performed; the samples must be _____________________ and
_____________________with a __________________ to ensure uniformity -
ANSWER-combined, remixed, shovel
After rodding each layer of concrete, tap the sides of the measuring container using a
mallet how many times to close the voids left by the tamping rod? - ANSWER-10-15
times
After strike-off, all excess concrete must be removed from the exterior of the bowl
before weighing. True or False - ANSWER-True
After the project no longer needs temp pavement markings, what should be done with
them? - ANSWER-Temporary pavement marking should be eradicated and permanent
markings should be installed.
Air content by the pressure method determines the air content from an observation of
the change in ________________ of concrete with a change in _________________. -
ANSWER-volume, pressure
An asphalt mix may flatten in a truck during delivery due to? - ANSWER-Excessive
asphalt in the mix or if the mix is too hot.
An inspector can find the requirements for the project compliance with environmental
consideration from: - ANSWER-Plans, specifications and contract documents.
ASTM C 1064 is used to verify what? - ANSWER-Conformance with concrete
specifications.
Backfill for pipes and culverts consist of? - ANSWER-Granular materials.
Before beginning earthwork, it is important to? - ANSWER-Verify location of
underground utilities through local one call system.
By looking through one end of a pipe, an inspector is able to check for? - ANSWER-
Alignment
, Can the terms "Transit" and "Level" be used synonymously? - ANSWER-No. A Transit
can measure vertical angles whereas a level cannot.
Clearing and grubbing on a rural 2 lane highway will normally be paid by? - ANSWER-
Acres
Concrete containing aggregate with a nominal maximum aggregate size greater than 3
inches may require up to how many minutes before the temperature stabilizes after
mixing? - ANSWER-20 minutes
Concrete pipe should be placed? - ANSWER-With the bell end of the pipe at the
upstream end.
Concrete reference thermometers must be accurate and readable to plus or minus how
many degrees? - ANSWER-+ or - 0.5
Define "Benchmark". - ANSWER-A Benchmark is a fixed exact point where an exact
elevation is known.
Define Optimum Moisture Content? - ANSWER-The degree or percentage of moisture
in soil at which the soil can be compacted to it's greatest density.
Describe the different procedures that can be used to collect a sample of concrete from
a stationary or revolving drum mixer. - ANSWER-Repeatedly Pass A Receptacle
Through The Entire Discharge Stream & Completely Divert The Discharge Stream Into
A Sample Container
Drainage always occurs? - ANSWER-Perpendicular (at right angle) to the contour lines.
Excessive vibration of concrete causing the top to become white, chalky and non
durable is called? - ANSWER-Laitance
Fence corners are strengthened by? - ANSWER-Horizontal post and tension wire.
Fertilizer application rate for a flat surface is how many lbs per acre? - ANSWER-Check
the spec. 800lbs per acre
For a concrete slump test, how is the cone to be filled with concrete? - ANSWER-In 3
equal layers.
For beams, if the NMAS is greater than 2 inches, wet sieving over the 2 inch sieve is
required. True or False - ANSWER-True
For concrete to be consolidated by vibration in a mold, how many layers? - ANSWER-
Fill the mold in two equal layers
