ASPHALT PAVING GC EXAM
QUESTIONS AND CORRECT
ANSWERS
Clear and grub minimum of ____ from each edge of proposed pavement along both lanes and legs of
interchange ✅✅ CORRECT ANSW-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 ✅✅ CORRECT ANSW-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 ✅✅ CORRECT ANSW-18"
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 ✅✅ CORRECT ANSW-80%
#4 sieve ✅✅ CORRECT ANSW-4.75 mm
Base Course ✅✅ CORRECT ANSW-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 ✅✅ CORRECT ANSW-Over a depression; longer than 20'
The subgrade is the top _______ of roadbed upon which the pavement structure and shoulders are
constructed ✅✅ CORRECT ANSW-18"
Do not use glass in the top _____ of the embankment ✅✅ CORRECT ANSW-18"
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
✅✅ CORRECT ANSW-1/2"
,Thickness of completed modified base is measured at staggered intervals not to exceed _____ feet
in length for two-lane roads ✅✅ CORRECT ANSW-250'
Use _______ in all base courses as an anti-stripping additive ✅✅ CORRECT ANSW-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 ✅✅ CORRECT ANSW-500'
For HMA, use aggregates with a combined specific gravity of _____ or less ✅✅ CORRECT ANSW-
2.90
ON HMA use pneumo-rollers that are self propelled and have an effective rolling width of not less
than _______ ✅✅ CORRECT ANSW-60"
Ensure intermediate rolling of HMA is completed before mat temp drops below _____ ✅✅
CORRECT ANSW-175 degrees
First step in applying asphalt surface treatment (single) ✅✅ CORRECT ANSW-Clean surface
Last step in applying asphalt surface treatment (single) ✅✅ CORRECT ANSW-Remove excess
aggregate
Spread aggregate for HMA within _____ feet of the application of the emulsion ✅✅ CORRECT
ANSW-200'
Place asphalt surface treatment (double) within ____ days of the base course being primed ✅✅
CORRECT ANSW-7
When rolling aggregate applications for asphalt surface treatment (double) on each trip of the roller,
overlap prior by _____ the width of the roller ✅✅ CORRECT ANSW-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 ✅✅ CORRECT ANSW-1/2"
, When using surface vibrators on portland concrete, ensure frequency is not less than ______
impulses per minute ✅✅ CORRECT ANSW-3500
Construct subbase and base beneath concrete pavement to include area _____ inches in width
extending beyond edges to provide stability for paver tracks ✅✅ CORRECT ANSW-18"
Min. width of any reinforced concrete slab is ______ feet ✅✅ CORRECT ANSW-16'
Max. length of any reinforced concrete slab is ______ feet ✅✅ CORRECT ANSW-20'
Exclude all vehicle traffic from newly constructed concrete pavement for a period of not less than
______ days ✅✅ CORRECT ANSW-14
Finish joints should not deviate more than ____ inch in the horizontal alignment from a straight line
✅✅ CORRECT ANSW-1/4"
Make transverse construction joints whenever placing of concrete is suspended longer than _____
minutes ✅✅ CORRECT ANSW-30 minutes
Ensure final sealed surface width of newly constructed longitudinal and transverse contraction joints
is _____ inch ✅✅ CORRECT ANSW-3/8"
If calcium is used in non-reinforced concrete during cold weather, do not exceed ______ % ✅✅
CORRECT ANSW-2%
Water reducer may be used to increase slump of concrete ✅✅ CORRECT ANSW-True
Use procedures for mass concrete placement for a pour that has dimensions of _____ feet or greater
in _____ different directions ✅✅ CORRECT ANSW-5, 3
In hot weather, do not allow mass concrete mix temperature measured at discharge into the forms
to exceed ______ degrees ✅✅ CORRECT ANSW-80 degrees
QUESTIONS AND CORRECT
ANSWERS
Clear and grub minimum of ____ from each edge of proposed pavement along both lanes and legs of
interchange ✅✅ CORRECT ANSW-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 ✅✅ CORRECT ANSW-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 ✅✅ CORRECT ANSW-18"
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 ✅✅ CORRECT ANSW-80%
#4 sieve ✅✅ CORRECT ANSW-4.75 mm
Base Course ✅✅ CORRECT ANSW-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 ✅✅ CORRECT ANSW-Over a depression; longer than 20'
The subgrade is the top _______ of roadbed upon which the pavement structure and shoulders are
constructed ✅✅ CORRECT ANSW-18"
Do not use glass in the top _____ of the embankment ✅✅ CORRECT ANSW-18"
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
✅✅ CORRECT ANSW-1/2"
,Thickness of completed modified base is measured at staggered intervals not to exceed _____ feet
in length for two-lane roads ✅✅ CORRECT ANSW-250'
Use _______ in all base courses as an anti-stripping additive ✅✅ CORRECT ANSW-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 ✅✅ CORRECT ANSW-500'
For HMA, use aggregates with a combined specific gravity of _____ or less ✅✅ CORRECT ANSW-
2.90
ON HMA use pneumo-rollers that are self propelled and have an effective rolling width of not less
than _______ ✅✅ CORRECT ANSW-60"
Ensure intermediate rolling of HMA is completed before mat temp drops below _____ ✅✅
CORRECT ANSW-175 degrees
First step in applying asphalt surface treatment (single) ✅✅ CORRECT ANSW-Clean surface
Last step in applying asphalt surface treatment (single) ✅✅ CORRECT ANSW-Remove excess
aggregate
Spread aggregate for HMA within _____ feet of the application of the emulsion ✅✅ CORRECT
ANSW-200'
Place asphalt surface treatment (double) within ____ days of the base course being primed ✅✅
CORRECT ANSW-7
When rolling aggregate applications for asphalt surface treatment (double) on each trip of the roller,
overlap prior by _____ the width of the roller ✅✅ CORRECT ANSW-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 ✅✅ CORRECT ANSW-1/2"
, When using surface vibrators on portland concrete, ensure frequency is not less than ______
impulses per minute ✅✅ CORRECT ANSW-3500
Construct subbase and base beneath concrete pavement to include area _____ inches in width
extending beyond edges to provide stability for paver tracks ✅✅ CORRECT ANSW-18"
Min. width of any reinforced concrete slab is ______ feet ✅✅ CORRECT ANSW-16'
Max. length of any reinforced concrete slab is ______ feet ✅✅ CORRECT ANSW-20'
Exclude all vehicle traffic from newly constructed concrete pavement for a period of not less than
______ days ✅✅ CORRECT ANSW-14
Finish joints should not deviate more than ____ inch in the horizontal alignment from a straight line
✅✅ CORRECT ANSW-1/4"
Make transverse construction joints whenever placing of concrete is suspended longer than _____
minutes ✅✅ CORRECT ANSW-30 minutes
Ensure final sealed surface width of newly constructed longitudinal and transverse contraction joints
is _____ inch ✅✅ CORRECT ANSW-3/8"
If calcium is used in non-reinforced concrete during cold weather, do not exceed ______ % ✅✅
CORRECT ANSW-2%
Water reducer may be used to increase slump of concrete ✅✅ CORRECT ANSW-True
Use procedures for mass concrete placement for a pour that has dimensions of _____ feet or greater
in _____ different directions ✅✅ CORRECT ANSW-5, 3
In hot weather, do not allow mass concrete mix temperature measured at discharge into the forms
to exceed ______ degrees ✅✅ CORRECT ANSW-80 degrees
