Excavator loading time = 36 seconds per loading pass Truck travelling time = 351 seconds per truck Truck dumping time = 22 seconds per truck Unloaded truck Travelling back time = 181 seconds per truck Truck queuing or waiting time = 75 seconds/truck Excavator-truck spotting time = 14 seconds/truck Estimate the total number of units (trucks), if the total production of a coal mine is 4Mt per year at 91% recovery. Use the cycles per production hour from above, figure out with your reasonable detailed calculations and assumptions for all other parameters you need in your calculations including the loose and bank (prime) volume and tonnage of the coal per truck per year.
Excavator loading time = 36 seconds per loading pass Truck travelling time = 351 seconds per truck Truck dumping time = 22 seconds per truck Unloaded truck Travelling back time = 181 seconds per truck Truck queuing or waiting time = 75 seconds/truck Excavator-truck spotting time = 14 seconds/truck Estimate the total number of units (trucks), if the total production of a coal mine is 4Mt per year at 91% recovery. Use the cycles per production hour from above, figure out with your reasonable detailed calculations and assumptions for all other parameters you need in your calculations including the loose and bank (prime) volume and tonnage of the coal per truck per year.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
Excavator loading time = 36 seconds per loading pass
Truck travelling time = 351 seconds per truck
Truck dumping time = 22 seconds per truck
Unloaded truck Travelling back time = 181 seconds per truck
Truck queuing or waiting time = 75 seconds/truck
Excavator-truck spotting time = 14 seconds/truck
Estimate the total number of units (trucks), if the total production of a coal mine is 4Mt
per year at 91% recovery. Use the cycles per production hour from above,
figure out with your reasonable detailed calculations and assumptions for all other
parameters you need in your calculations including the loose and bank (prime) volume and
tonnage of the coal per truck per year.
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