ASPHALT PAVING GC EXAM 2025/2026
QUESTIONS AND ANSWERS 100% PASS
Base Course - ANS Layer or layers of specified material of designated thickness or rate of
application based on a subbase or subgrade to support the subsequent layers
Bridge - ANS Over a depression; longer than 20'
The subgrade is the top _______ of roadbed upon which the pavement structure and shoulders
are constructed - ANS 18"
Do not use glass in the top _____ of the embankment - ANS 18"
Clear and grub minimum of ____ from each edge of proposed pavement along both lanes and
legs of interchange - ANS 30'
Where clearing and grubbing within the roadway is indicated at a bridge site, clear by cutting all
trees, stumps, etc. to within ______ of the ground or to low water in the full width of the ROW
for a distance of 75' beyond the beginning and end of the proposed bridge - ANS 8"
Compact the subgrade between the lines ____ inches outside the area occupied by the
pavement structure, including C&G & SW to not less than 95% of max density - ANS 18"
1 @COPYRIGHT 2025/2026.
,Pulverize base course material so that the completion of the moist mixing 100% (by dry weight)
passes the 1.5" sieve and a minimum of _____ passes the #4 sieve, exclusive of gravel and stone
retained on the sieve - ANS 80%
#4 sieve - ANS 4.75 mm
Ensure finished surface of base varies neither than 3/8" from a straight edge 10' long when
applied parallel to the CL of the rd, no more than ______ inch from the typical cross-section on
the plans - ANS 1/2"
Thickness of completed modified base is measured at staggered intervals not to exceed _____
feet in length for two-lane roads - ANS 250'
Use _______ in all base courses as an anti-stripping additive - ANS hydrated lime
Where plans required uniform thickness of base course and the contract provides for pavement
on sq yd bases, thickness of base course is determined from measurements taken of the
completed base course at intervals not exceeding _____ feet for two-lane roads - ANS 500'
For HMA, use aggregates with a combined specific gravity of _____ or less - ANS 2.90
ON HMA use pneumo-rollers that are self propelled and have an effective rolling width of not
less than _______ - ANS 60"
Ensure intermediate rolling of HMA is completed before mat temp drops below _____ -
ANS 175 degrees
First step in applying asphalt surface treatment (single) - ANS Clean surface
Last step in applying asphalt surface treatment (single) - ANS Remove excess aggregate
2 @COPYRIGHT 2025/2026.
, Spread aggregate for HMA within _____ feet of the application of the emulsion - ANS 200'
Place asphalt surface treatment (double) within ____ days of the base course being primed -
ANS 7
When rolling aggregate applications for asphalt surface treatment (double) on each trip of the
roller, overlap prior by _____ the width of the roller - ANS 1/2
On portland cement pavement, position lower surface of preformed joint filler on or below
surface of base while upper surface is _____ inches below surface of the slab - ANS 1/2"
When using surface vibrators on portland concrete, ensure frequency is not less than ______
impulses per minute - ANS 3500
Construct subbase and base beneath concrete pavement to include area _____ inches in width
extending beyond edges to provide stability for paver tracks - ANS 18"
Min. width of any reinforced concrete slab is ______ feet - ANS 16'
Max. length of any reinforced concrete slab is ______ feet - ANS 20'
Exclude all vehicle traffic from newly constructed concrete pavement for a period of not less
than ______ days - ANS 14
Finish joints should not deviate more than ____ inch in the horizontal alignment from a straight
line - ANS 1/4"
Make transverse construction joints whenever placing of concrete is suspended longer than
_____ minutes - ANS 30 minutes
3 @COPYRIGHT 2025/2026.
QUESTIONS AND ANSWERS 100% PASS
Base Course - ANS Layer or layers of specified material of designated thickness or rate of
application based on a subbase or subgrade to support the subsequent layers
Bridge - ANS Over a depression; longer than 20'
The subgrade is the top _______ of roadbed upon which the pavement structure and shoulders
are constructed - ANS 18"
Do not use glass in the top _____ of the embankment - ANS 18"
Clear and grub minimum of ____ from each edge of proposed pavement along both lanes and
legs of interchange - ANS 30'
Where clearing and grubbing within the roadway is indicated at a bridge site, clear by cutting all
trees, stumps, etc. to within ______ of the ground or to low water in the full width of the ROW
for a distance of 75' beyond the beginning and end of the proposed bridge - ANS 8"
Compact the subgrade between the lines ____ inches outside the area occupied by the
pavement structure, including C&G & SW to not less than 95% of max density - ANS 18"
1 @COPYRIGHT 2025/2026.
,Pulverize base course material so that the completion of the moist mixing 100% (by dry weight)
passes the 1.5" sieve and a minimum of _____ passes the #4 sieve, exclusive of gravel and stone
retained on the sieve - ANS 80%
#4 sieve - ANS 4.75 mm
Ensure finished surface of base varies neither than 3/8" from a straight edge 10' long when
applied parallel to the CL of the rd, no more than ______ inch from the typical cross-section on
the plans - ANS 1/2"
Thickness of completed modified base is measured at staggered intervals not to exceed _____
feet in length for two-lane roads - ANS 250'
Use _______ in all base courses as an anti-stripping additive - ANS hydrated lime
Where plans required uniform thickness of base course and the contract provides for pavement
on sq yd bases, thickness of base course is determined from measurements taken of the
completed base course at intervals not exceeding _____ feet for two-lane roads - ANS 500'
For HMA, use aggregates with a combined specific gravity of _____ or less - ANS 2.90
ON HMA use pneumo-rollers that are self propelled and have an effective rolling width of not
less than _______ - ANS 60"
Ensure intermediate rolling of HMA is completed before mat temp drops below _____ -
ANS 175 degrees
First step in applying asphalt surface treatment (single) - ANS Clean surface
Last step in applying asphalt surface treatment (single) - ANS Remove excess aggregate
2 @COPYRIGHT 2025/2026.
, Spread aggregate for HMA within _____ feet of the application of the emulsion - ANS 200'
Place asphalt surface treatment (double) within ____ days of the base course being primed -
ANS 7
When rolling aggregate applications for asphalt surface treatment (double) on each trip of the
roller, overlap prior by _____ the width of the roller - ANS 1/2
On portland cement pavement, position lower surface of preformed joint filler on or below
surface of base while upper surface is _____ inches below surface of the slab - ANS 1/2"
When using surface vibrators on portland concrete, ensure frequency is not less than ______
impulses per minute - ANS 3500
Construct subbase and base beneath concrete pavement to include area _____ inches in width
extending beyond edges to provide stability for paver tracks - ANS 18"
Min. width of any reinforced concrete slab is ______ feet - ANS 16'
Max. length of any reinforced concrete slab is ______ feet - ANS 20'
Exclude all vehicle traffic from newly constructed concrete pavement for a period of not less
than ______ days - ANS 14
Finish joints should not deviate more than ____ inch in the horizontal alignment from a straight
line - ANS 1/4"
Make transverse construction joints whenever placing of concrete is suspended longer than
_____ minutes - ANS 30 minutes
3 @COPYRIGHT 2025/2026.
