Pit & Quarry University
P&Q University: Lesson 11 Quiz Answers
1. Loadout cycle time 2. Yes 3. Over a pit or above grade on a concrete slab 4. Once a vehicle scale is purchased, it’s almost impossible to change the size of the platform 5. Nominal capacity is the total… Keep Reading
P&Q University: Lesson 10 Quiz Answers
1. 2.25 times more or higher 2. Idlers 3. Carrying and return idlers 4. Conveyor on uneven ground; crooked or bent structure; poor belt splice; uneven loading of material onto the belt; idlers and pulleys not square to the structure;… Keep Reading
P&Q University: Lesson 9 Quiz Answers
1. Power shovels, front-end loaders, bucket-wheel excavators or draglines 2. Any material 3/8 in. or smaller 3. There are dwindling natural sand reserves and expenses to extracting natural sand and gravel near urban areas where the material is most needed… Keep Reading
P&Q University: Lesson 8 Quiz Answers
1. To size and separate material before secondary and tertiary crushing circuits, or to size and separate material in preparation for final product stockpiling 2. Proper adjustments in speed, stroke, rotation/throw direction and angle of inclination 3. They are less… Keep Reading
P&Q University: Lesson 7 Quiz Answers
1. From recycled demolition concrete or asphalt pavement 2. 100 to 1,500 tph 3. Mobile plants 4. Gyratory crushers – both have a mantle that rotates within a bowl 5. The feed system 6. Chisels and blunts 7. Speed and… Keep Reading
P&Q University: Lesson 6 Quiz Answers
1. Receiving a load, hauling, dumping and returning 2. It refers to a generation of EPA emissions standards that apply to new diesel engines used in off-highway equipment 3. Rigid frame haul trucks 4. Contact with rocks spilled on the… Keep Reading
P&Q University: Lesson 5 Quiz Answers
1. Wheel loaders and hydraulic excavators 2. High benches, multiple benches, excessive tramming and low angle of repose material 3. Poor underfoot conditions, poorly shot material and tight loading areas that restrict loader movement 4. 0.45 to 0.55 min. 5.… Keep Reading
P&Q University: Lesson 4 Quiz Answers
1. A blasthole 2. The drilling phase 3. Determine the hole size or diameter that fits an application best 4. Percussion (top hammer, out of the hole drills) and rotary (down the hole drills) 5. Mobility; simplicity; reliability and mechanical… Keep Reading
P&Q University: Lesson 3 Quiz Answers
1. Geologic processes – volcanoes, glaciers, wind, rivers and seas 2. Crushed stone, sand and gravel 3. Western United States 4. Till 5. Sedimentary rocks, limestone and dolomite 6. 14 percent 7. Sandstone and shale 8. True, as long as… Keep Reading
