Asphalt and Concrete UPDATED ACTUAL Exam Questions and
CORRECT Answers
What is the estimated batching production in cy/hr? - 201.6
A concrete batch plant has a batching chamber capacity of 11 cy and an average batching cycle
time of 2 min. Plant efficiency is 80%. What is the estimated batching production in cy/hr? - 264
A concrete batch plant has a batching chamber capacity of 12.5 cy and an average batching cycle
time of 3 min. Plant efficiency is 84%.
What is the estimated batching production in cy/hr? - 210
A batch plant mixes 12 tons of asphalt mix with an average mixing cycle of 1.5 min. Plant
efficiency is 92%. Estimate plant production in ton/hr - 441.6
A batch plant mixes 5 tons of asphalt mix with an average mixing cycle of 1 min. Plant
efficiency is 95%. Estimate plant production in ton/hr. - 285
A specification requires a residual application rate of 0.045 gal/sy. The distributor spray bar
coverage is 8 ft. Estimate the gallons of emulsion needed for a 16 ft wide 2-mile stretch of
paving. - 845 gallons
A specification requires a residual application rate of 0.03 gal/sy. The distributor spray bar
coverage is 6 ft. Estimate the gallons of emulsion needed for a 12 ft wide and 2,200 ft stretch of
paving. - 88 gallons
What is the surface treatment area for the first and second course (sy)? Note: the numbers are the
same - do not add them together. - 4878 sy
, According to the project General Notes, you cannot place the seal coat asphalt between which
period of time? - Sep 1st to April 30
Can flat wheel rollers be used on this project? - No
What is the asphalt rate basis of estimate for the prime coat (gal/sy)? - 0.2
What is the surface treatment basis of estimate asphalt (AC-20-5TR) rate for the first course
ONLY (gal/sy)? - 0.55
By holding several loads of asphalt concrete, the material transfer device increases surge loading
of the paver. - False
Environmental concerns over the volatile organic compounds released during blending have
diminished the use of cutbacks. - True
The prime coat acts as a waterproof barrier, preventing moisture that penetrates the wearing
surface from reaching the base. - True
The ground track pressure of the paver is typically in the range of 50 to 60 psi. - False
Concrete mixer's cycle time is composed of loading time, mixing time, and discharging time. -
True
Properly constructed pavements should have a maximum 92% in-place density. - False
When necessary, rounded aggregates can be crushed to create more angular surfaces. - True
CORRECT Answers
What is the estimated batching production in cy/hr? - 201.6
A concrete batch plant has a batching chamber capacity of 11 cy and an average batching cycle
time of 2 min. Plant efficiency is 80%. What is the estimated batching production in cy/hr? - 264
A concrete batch plant has a batching chamber capacity of 12.5 cy and an average batching cycle
time of 3 min. Plant efficiency is 84%.
What is the estimated batching production in cy/hr? - 210
A batch plant mixes 12 tons of asphalt mix with an average mixing cycle of 1.5 min. Plant
efficiency is 92%. Estimate plant production in ton/hr - 441.6
A batch plant mixes 5 tons of asphalt mix with an average mixing cycle of 1 min. Plant
efficiency is 95%. Estimate plant production in ton/hr. - 285
A specification requires a residual application rate of 0.045 gal/sy. The distributor spray bar
coverage is 8 ft. Estimate the gallons of emulsion needed for a 16 ft wide 2-mile stretch of
paving. - 845 gallons
A specification requires a residual application rate of 0.03 gal/sy. The distributor spray bar
coverage is 6 ft. Estimate the gallons of emulsion needed for a 12 ft wide and 2,200 ft stretch of
paving. - 88 gallons
What is the surface treatment area for the first and second course (sy)? Note: the numbers are the
same - do not add them together. - 4878 sy
, According to the project General Notes, you cannot place the seal coat asphalt between which
period of time? - Sep 1st to April 30
Can flat wheel rollers be used on this project? - No
What is the asphalt rate basis of estimate for the prime coat (gal/sy)? - 0.2
What is the surface treatment basis of estimate asphalt (AC-20-5TR) rate for the first course
ONLY (gal/sy)? - 0.55
By holding several loads of asphalt concrete, the material transfer device increases surge loading
of the paver. - False
Environmental concerns over the volatile organic compounds released during blending have
diminished the use of cutbacks. - True
The prime coat acts as a waterproof barrier, preventing moisture that penetrates the wearing
surface from reaching the base. - True
The ground track pressure of the paver is typically in the range of 50 to 60 psi. - False
Concrete mixer's cycle time is composed of loading time, mixing time, and discharging time. -
True
Properly constructed pavements should have a maximum 92% in-place density. - False
When necessary, rounded aggregates can be crushed to create more angular surfaces. - True
