Coal Mining Legislation – 11

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

2. Every travelling roadway shall be of a height of

3. 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.

4. 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.

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

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

7. 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

8. The pillars shall be preferably ___ shaped

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

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

11. 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.

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

13. 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.

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

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

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

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

18. 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.

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

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

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

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

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

24. The winding engine shall be completely checked once in

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

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

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

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

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

30. 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.

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

32. 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.

33. 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.

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

35. 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____.

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

37. 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.

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

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

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