Mining Engineering > GATE 2019 > Underground Coal Mining
A flat longwall panel is mined out at an area having subsidence factor a. The measured maximum subsidence on the surface is S for a mining height of m. The subsidence is subcritical if
A
S=am
B
S=m/a
C
S>am
D
S

Correct : d

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mining engineering GATE 2019 subsidence factor mining longwall mining subsidence GATE mining engineering critical subsidence mining engineering subsidence mining engineering GATE subsidence calculation mining subsidence factor

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