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Mining Engineering Mine Ventilation Difficulty: Medium

In a hot day the relative humidity will be nearly

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No working shall be extended further than a specified distance, from the boundaries of any mine the specified distance . . . . . . . . Which term describes the process of cleaning and leveling a stope floor after blasting? Total number of injuries in open cast mine employing 800 persons is 16 in a year, as per the DGMS norms, the injury rate per 1000 person employed is . . . . . . . . 100 vols. of water disolving CO 2 at 15°C . . . . . . . . vol. of CO 2 . According to IS specifications 1835 of 1961 neither sulphur nor phosporous content in steel for wire rope should exceed . . . . . . . . percent.