Pit & Quarry University
P&Q University Lesson 11: Loadout, Weighing & On-Road Hauling
Loadout within any pit or quarry operation is an important stage that needs to be well designed and considered. There is an opportunity to save time and increase profits by understanding the specific needs of a the truck (vehicle) scale… Keep Reading
P&Q University Lesson 10: Conveying & Material Handling
Today’s fully automated material-handling systems are cost-efficient and on-target when building stockpiles in any desired volume or configuration – when loading bins, silos and surge tunnels; when transferring material overland; or when streamlining loading, unloading and stockpiling at barge, railcar… Keep Reading
P&Q University Lesson 9: Washing & Classifying
Materials engineers constantly strive to improve concrete and bituminous mixes and road bases, and clean aggregate is a vital part of that effort. Yet, aggregate producers often find it difficult to meet all the requirements for “cleanliness.” While hydraulic methods… Keep Reading
P&Q University Lesson 6: Off-Road Hauling
In most aggregate operations, off-highway trucks provide the production link between the loading face in the pit and the primary crusher or processing plant. Efficient haulage is critical both to meeting production targets and to managing costs. Proper selection and… 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
