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WorksheetsTuesday AM Quiz
Total questions: 11
Worksheet time: 16mins
If an Asphalt Mixture started as 5000g and after extraction the total amount of aggregate had a mass of 4750g, what is the Asphalt Content of the mixture?
95%
5%
6%
4%
A binder with a grade of PG 64-28 is:
modified
unmodified
A plant where the aggregate enters the drum opposite from the flame is called?
batch plant
parallel flow drum
counter flow drum
ready mix
A drum plant proportions aggregate by what means?
weigh bridge
variable speed belts
crusher jaws
weigh box
RAP is added in all types of drum plants where?
dry feed belt
in the drum past the flame
in the drum at the opening
in the silo
A scalping screen removes:
oversized aggregate
clumps in the mixture
segregate aggregate
asphalt plugs
Anti-Strip Additives are blended into
Binder
Aggregate
Asphalt Mixture
Concrete
Stockpiles of aggregate must be separated by what? (choose all options that are acceptable)
Partition Walls
fence
Walkway
18"
Scales used for weigh trucks shall be calibrated to what tolerence?
1%
0.1%
0.5%
0.005%
A HMA plant is producing 150 tons/hour, the mix calls for 5.7% asphalt. Assuming that the asphalt has a unit weight of 8.4lb/gal. What is the required rate of the AC? (approx)
34 gpm
2035 gpm
3400 gpm
290 gpm
How much Anti Strip Agent is needed for: 1000 tons of HMA, with 6% AC, and 0.3% ASA? Assuming that the ASA has a unit weight of 8.4 lb/gal. (approx)
4300 gal
43 gal
21 gal
2100 gal
