Pit & Quarry University
P&Q University Lesson 10: Conveying & Material Handling
Editor's Note This is an old edition — Click to read the newest edition of the Pit & Quarry University Handbook Today’s fully automated material-handling systems are cost-efficient and on-target when building stockpiles in any desired volume or… Keep Reading
P&Q University Lesson 9: Washing & Classifying
Editor's Note This is an old edition — Click to read the newest edition of the Pit & Quarry University Handbook Materials engineers constantly strive to improve concrete and bituminous mixes and road bases, and clean aggregate is… Keep Reading
P&Q University Lesson 6: Off-Road Hauling
Editor's Note This is an old edition — Click to read the newest edition of the Pit & Quarry University Handbook In most aggregate operations, off-highway trucks provide the production link between the loading face in the pit… Keep Reading
P&Q University: Lesson 14 Quiz Answers
1. An excise tax levied by numerous state governments usually assessed at the same rate as sales tax 2. Corporations can sell their stock, be it common or preferred shares, while S corporations can only issue one class of stock… Keep Reading
P&Q University: Lesson 13 Quiz Answers
1. Plan, Do, Check, Act 2. The “Do” stage 3. Conduct EMS training with employees 4. Going “green” discusses environmental issues; sustainability discusses cost-effectiveness and longevity 5. People 6. These elements throw off a body’s natural ability to stay alert… Keep Reading
P&Q University: Lesson 12 Quiz Answers
1. Stroke – the measure of the total vibrating motion of the vibratory machine 2. Driving horsepower is insufficient for the given load 3. Tire life decreases by five percent 4. The sidewall of a radial tire is separate from… Keep Reading
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
