Q341
Open questionWhy galleries are sometimes staggered?
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Mining Engineering · all questionsMine Legislation and General Safety
Mine Legislation and General Safety
practice.
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Q342
Open questionIn every mine in which a mechanical ventilator in use, the quantity of air shall, once atleast in every . . . . . . . . days, be measured.
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Q343
Open questionDetermination of percentage of inflammable gas shall be made by a . . . . . . . . person by means of an Apparatus approved by CI of mins.
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Q344
Open questionCoal gallery of the seam height should not exceed . . . . . . . . meters.
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Q345
Open questionIdentify one of the following conditions which does attract the provision of prohibiting the use of any rope for winding
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Q346
Open questionSamples of dust collected to a depth not exceeding . . . . . . . . millimeters on the roof and sides and to a depth not exceeding . . . . . . . . millimeters on floor.
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Q347
Open questionIn which form does the owner, agent or manager keep the record of leave with wages of employee?
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