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1. 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.
2. 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
3. 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%
,4. (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
5. 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
C. Roller production rate exceeds paver production rate
D. Paver production rate exceeds roller production rate
E. Both B & C - ANSWER (D.) Paver production rate exceeds roller production
rate
6. What is the primary difference between an FC-9.5 and a FC-12.5 mix?
A. FC-9.5 uses ARB-5; FC-12.5 uses ARB-12
B. The top size of the aggregate
C. FC-9.5 is open graded; FC-12.5 is coarse graded
D. FC-9.5 uses granite; FC-12.5 uses oolitic limestone
E. Both A & B - ANSWER (B.) - The top size of the aggregate
7. Emptying the hopper between loads can cause the following:
A. Smooth ride
B. Uniform thickness
C. Proper cross-slope
, D. All of the above
E. None of the above - ANSWER (E.) None of the above
8. If the FC-5 friction course aggregate is cracking under the weight of the roller:
A. Is the PLI of the roller between 135 and 200?
B. Is the roller driving on a cool mat?
C. Is the temperature of the mix too high?
D. All of the above
E. Both A & B - ANSWER (A.) - Is the PLI of the roller between 135 and 200?
9. Which mix will be easier to compact over a milled surface?
A. An SP-12.5 mix placed 3/4 inch thick?
B. An SP-12.5 mix placed 1 inch thick?
C. An SP-12.5 mix placed 1 1/2 inches thick?
D. None of the above - ANSWER (A.) An SP-12.5 mix placed 3/4 inches thick
10. Given: Target Spread Rate: 165 lbs/Sq yds
Given: Truck Weights (tons): 18.2, 19.63, 17.56, 18.78, 19.55
Given: Lane R1, Lift 1
Given: Start Station: 5+98 End Station: 13+60
Given: Lane Width: 13.5 feet