Coal Mining Legislation

Coal Mining Legislation – 11

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Coal Mining Legislation

Coal Mining Legislation - 11

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1. The distance between centers of adjacent pillars shall not be less than---where the width of the galleries is 3.6 meters and depth 150 to 240.0 meters.

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2. In additions to the steps or ladders, suitable hand rails are to be provided along with steps or ladder when the inclination of travelling roadway exceeds__ degrees angle.

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3. In opencast mining in coal, the sides shall either be kept sloped at an angle of safety not exceeding --from the horizontal.

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4. The pillars shall be preferably ___ shaped

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5. The distance between centers of adjacent pillars shall not be less than----where the width of the galleries does not exceeded 3.0 meters and depth between 90 mt to 150 mt.

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6. The reason for which the width range is fixed is based on

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7. A competent person shall examine the winding rope by passing it at a speed of ___ m/s once at least in every 30 days.

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8. Proper platforms are also to be provided along with ladder/steps and hand rails, when the inclinations of the road increases.

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9. Where the height of a measurement pillar exceeds 1.25 meters, the base of that pillar shall not be less than ------in diameter.

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10. Where the width of gallery is within 3m and depth of 60 meters the distance between centers of adjacent pillars shall not be less than____.

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11. The distance between centers of adjacent pillars shall not be less than---where the width of the galleries does not exceeded 3.0 meters and depth150 mt to 240 mt.

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12. Every travelling roadway shall be of a height of

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13. A ladder or suitable steps are to be provided for persons to travel when the inclination from horizontal increases

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14. Where railway wagons are placed so as to afford a thoroughfare, the minimum width in meters of that thoroughfare shall be.

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15. A competent person shall examine haulage and travelling roadways once in at least -----

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16. No material shall be placed or dumped within ------from either side of a track of rails.

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17. The distance between centers of adjacent pillars shall not be less than----where the width of the galleries does not exceeded 3.0 meters and depth 240mt to 360.0 mt.

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18. Manhole shall be white washed both inside and around the periphery. The width of the whitewashing around shall be of a minimum of.

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19. The road gradient for truck haulage shall not be more than.

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20. The distance between centers of adjacent pillars shall not be less than____where the width of the galleries is 3.6 meters depth 60 to 90.0 meters.

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21. Manholes shall have a minimum depth of------

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22. The distance between centers of adjacent pillars shall not be less than-----where the width of the galleries does not exceeded 3.0 meters and depth exceeding 360.0 meters

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23. Which of the following safety appliance need not be provided in the inclined haulage system using one or more ropes

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24. Where persons work on the haulage roads, the manholes spacing shall not be

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25. The clear space between the tubs and one side of the roadway where tubs are coupled and de-coupled shall be a minimum of.

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26. The height of the Manholes shall be minimum of-----

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27. The inspector of mines can ask the telephonic communication to be provided at a lesser distance than 600 under the following conditions.

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28. Where any pillar is left in-situ for the purpose of measurement, its height shall not exceed--------

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29. At what distance of the buildings situated along the side of road or tramline, a substantial fence shall be provided.

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30. The Height and Width of any gallery in a seam or section shall not be more than___ respectively.

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31. The range of width of manholes is ----

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32. If the gradient of the road on which persons work is less than 1 in 6, the manhole spacing interval permitted is not more than

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33. The distance between centers of adjacent pillars shall not be less than------where the width of the galleries does not exceeded 3.6 meters and depth within 60 meters.

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34. On exceeding what haulage roadway length from the shaft, telephonic communication shall be provided.

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35. A competent person shall examine the winding rope by passing it at a speed of__m/s once in seven days.

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36. The distance between centers of adjacent pillars shall not be less than-----where the width of the galleries is 3.6 meters and depth 90 to 150.0 meters.

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37. The maximum voltage at which a signalling system can be operated is___Volts.

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38. Where the roadway is less than 1.8 meters the height of the manhole shall be

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39. The winding engine shall be completely checked once in

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40. The distance between centers of adjacent pillars shall not be less than----where the width of the galleries does not exceeded 3.0 meters and depth 60 to 90meters.

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