Asphalt Paving LEVEL 2 QUESTIONS AND ANSWERS. LATEST UPDATES
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Course
Asphalt Paving LEVEL 2
Institution
Asphalt Paving LEVEL 2
Asphalt Paving LEVEL 2 QUESTIONS
AND ANSWERS. LATEST UPDATES
What materials are approved for use for tack application?
A. SS-1 or CSS-1, SS-1H or CSS-1H
B. RS-1, RS-2, MC-250, SS-4
C. RS-1h, RS-2, CRS-1h, NTSS-1hm, RA-500
D. All the Above
E. None of the Above - ANSWER (C.) RS-1h...
Asphalt Paving LEVEL 2 QUESTIONS
AND ANSWERS. LATEST UPDATES
What materials are approved for use for tack application?
A. SS-1 or CSS-1, SS-1H or CSS-1H
B. RS-1, RS-2, MC-250, SS-4
C. RS-1h, RS-2, CRS-1h, NTSS-1hm, RA-500
D. All the Above
E. None of the Above - ANSWER (C.) RS-1h, RS-2, CRS-1h, NTSS-1hm, RA-500
The minimum air temperature (in the shade away from artificial heat) for a 1.5 inch
layer of asphalt is:
A. 40°F
B. 45°F
C. 50°F
D. 65°F and rising - ANSWER (A.) 40°F
A quality of Asphalt Mix will be:
A. Constructable
B. Conform to specifications
C. Satisfy the functional requirements
D. All the above - ANSWER (D. All the above) - Constructable, conform to
specifications, and satisfy the functional requirements
Which condition will result in more time available for compaction?
A. SP-19 coarse mix during the day
B. FC-9.5 fine mix at night
C. FC-9.5 coarse mix during the day
D. SP-12.5 fine mix with PG76-22 - ANSWER (A.) SP-19 coarse mix during the day
The fallowing statement is true about trucks used to haul asphalt mix:
A. Truck drivers must be certified to haul asphalt mix
B. Truck beds need to be clean and smooth
C. Hole must be present in both sides of truck bed
D. All the above
E. Both B & C - ANSWER (E. Both B & C) - Truck beds need to be clean and smooth
and hole must be present in both sides of the truck bed
When using a vibratory roller, which is generally correct?
A. Keep the roller frequency high and impact spacing between 10-12 impacts per foot
B. Run low frequency, high amplitude, and 10-12 impacts per foot
C. Vibrate only when the lift of mix is less than 1.25 inches
D. Both A and C
, E. Both B and C - ANSWER (B.) Run low frequency, high amplitude, and 10-12 impacts
per foot
If the desired spread rate is 165 lbs/sq yds for SP mix, what is the construction
tolerance for the layer thickness? - ANSWER -+ 8.3 lbs/sq yds
On the structural layer prior to the friction course, correct any deficiencies before
placing the friction course.
A. Greater than 3/16"
B. Equal to 3/16"
C. Less than 1/8"
D. Greater than 1/8" - ANSWER Equal to 3/16"
The standard Lot size for FC-5 is:
A. 500 to 1000 tons
B. A day's production
C. 1000 feet
D. 2000 tons
E. 4000 tons - ANSWER (D.) 2,000 Tons
Milling can help:
A. Restore curb reveal
B. Remove cracks in the existing pavement
C. Improve the ride
D. Change the cross slope
E. All the above - ANSWER (E. All the above) - Restore curb reveal, remove cracks in
the existing pavement, improve the ride, and change the cross slope.
Truck beds need to be coated with release agent:
A. Each time they are loaded
B. Only when they are dirty
C. As needed to prevent the asphalt from sticking
D. All of the above - ANSWER (C.) As needed to prevent the asphalt from sticking
Given: The average sublot density (Gmb) of the roadway cores is 2.223 and the Gmm
for the same sublot is 2.400. The target spread rate was 162 lbs/sq yds. What is the %
of Gmm density for the sublot? - ANSWER 92.6%
(Y/N:) If a Contractor's Quality Control Core Gmb test is 2.225 and the Verification test
on the same ore Gmb test is equal to 2.205, do these two values compare? - ANSWER
Yes
If roadway density values are decreasing throughout the shift, the possible cause could
be:
A. Not enough trucks on the project
B. Plant production rate cant keep up
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