Mining Engineering > GATE 2022 > Mining Methods
The bottom section of a stoping block has dimensions 200 m×40 m. If the modified RMR of rock mass is 50, the appropriate method of mining on the basis of Laubscher's chart in the figure is
A
Shrinkage stoping
B
Cut and fill
C
Block Caving
D
Sublevel stoping

Correct : b

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stoping block design mining engineering GATE 2022 modified RMR 50 Laubscher's chart shrinkage stoping method cut and fill mining block caving mining sublevel stoping method mining engineering questions

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