Plant Design / Components

Quiz

1. What are the three major considerations to opening a new aggregate plant?

2. Natural aggregate commonly is used within how many miles of the place of extraction?

3. Limestone makes up about what percentage of crushed stone production?

4. Some situations of mining stream channels can cause serious impacts to what?

5. What is the vast majority of aggregate produced in the United States used in?

6. What system specifies asphalt materials where certain aggregate characteristics are critical for producing high-quality, hot-mix asphalt?

7. What is the most obvious environmental impact of aggregate mining?

8. What are the three principal types of transportation used to move aggregate?

9. What is the primary goal of reclamation?

10. What is often the single most difficult step in the process of starting an aggregate operation?

Quiz Answers

1. Supply and demand; the type of deposit to be mined and the processes required to mine it; and obtaining the permits necessary

2. 30 to 50 miles

3. 71

4. The environment

5. Portland-cement concrete, bituminous mixes and other construction projects that require specific quality parameters

6. Superpave

7. Conversion of land use

8. Road, rail and water

9. Return the land to a beneficial use

10. Permitting