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More Mining Engineering Questions
The exhaust air, below ground, which contains dust in excess of the permissible limit shall be efficiently diluted and if necessary filtered. So as to reduce the concentration of respirable dust there in below . . . . . . . . percent of the permissible limit before being recirculated into working place.
In terms of resourcefulness [Reserveper km 2 ] which of the Indian coal fields in on top position.
The basic principle of detonation is more intimate contact between the oxidizer and fuel, the higher is . . . . . . . .
High wall mining enables to excavate coal.
The minimum air quantity required at all working places in B/P is.