11. Which of the following duties & responsibilities is not to be done statutorily by the Superintendent of rescue station?
12. A second charge shall not be placed in the same hole in case of . . . . . . . .
13. Every safety lamp should he properly . . . . . . . .
14. Whose two or more seams or sections are worked in a mine, the pillars in one seam or section shall as far as practicable be vertically above or below the pillars in the same or other seam or section unless the strate are inclined at an angle of more than . . . . . . . . degree from the horizontal.
15. If the width of the gallery does not exceed 3 meter, and the depth of the seam not exceeding 60 m, the distance between centre of adjacent pillars shall not be less than . . . . . . . . meters.
16. Main mechanical ventilator in a mine shall be capable of producing adequate ventilation in a mine or part there of and shall be installed on the surface at a distance of not less than . . . . . . . . meters from the opening of a shaft or incline at any point.
17. In underground coal mines, the explosive used in any shot hole shall be of . . . . . . . . type.
18. In which schedule the list of equipment to be kept at rescue room is prescribed?
19. As per CMR 2017 the mine surveyor is supposed to record the facts related to workings which have approached to about' A' meter from the boundary, disused workings or waterlogged workings. 'A' is given by
20. The air does not contain more than . . . . . . . . percentage of CO2.
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