The dustiness in dwellings is accumulate about . . . . . . . .
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Mining Engineering · all questionsMiscellaneous in Mining
Miscellaneous in Mining
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Destressing is a method of . . . . . . . . prevention in underground metal mines.
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Bending moment of contiliver beam is maximum at . . . . . . . .
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Cap lamp must able to produce an illumination of . . . . . . . .
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The minimum average standards of lighting in road ways in underground in lumens/sq.ft.
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The blade angle of fan is 78°, it denotes that fan is . . . . . . . .
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Silicosis and asbestosis are comes under inorganic dust producing disease group of . . . . . . . .
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The main purpose of the wire gauze in flame safety lamp is to prevent passage of flame from . . . . . . . .
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As the number of dust particles per cm3 of air this method called as . . . . . . . .
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Number of cylindrical glasses in GL-5 flame safety lamp
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Sand and gravel are . . . . . . . .
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For conversion of weight standards to dust count standard, it is accepted that 1 mg/m3 corresponds to about . . . . . . . . particles.
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Mine rescue rules was incorporated in the year
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Lead antimony plates carrying active materials and immersed in . . . . . . . .% in solution of H2SO4 and distilled water.
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The maximum explosion violence is produced when the fire damp in the explosive mixture of mine air is . . . . . . . .
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Who has power to give permission for reversal of air . . . . . . . .
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The disease caused due to dusty atmosphere containing large amount of smoke
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In light stone dust barrier the amount of stone dust is loaded is . . . . . . . .
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The battery cells used . . . . . . . . in GL-60 flame safety lamp.
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For safe working, the air velocity should not exceed . . . . . . . m/s where carbide lamps used.
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