GATE MN · 2019 · MN
Question 38: Mining Machinery
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Question 38
MNNAT2 marksNeeds review
A shovel operates 300 days in a year, 2 shifts in a day, and 4 hours in a shift to achieve the target production of 30 Million tonne per annum. The following parameters relate to the loading operation:
Bucket capacity of shovel: 15 m
Shovel cycle time: 44 s
Bucket fill factor: 0.85
Bulk density of the muck: 3.00 tonne/m
The minimum number of shovels required to achieve the production is
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2019MN
GATE MN 2019 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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