11. Extraction of coal by a method other than Bord & Pillar has been stipulated in which of the provision of CMR 2017?
12. Powered supports, hydraulic chocks, props and friction props shall be secured and checked from . . . . . . . .
13. In which schedule the list of equipment to be kept at rescue station second spell of work in is prescribed?
14. Every work place in which the drill machine is used shall be placed under the in charge of a competent person, who shall once atleast in every . . . . . . . . examine every such work place with the particulars in . . . . . . . .
15. Why formation of 'V' between two goaves is avoided during depillaring?
16. As per CMR 2017, unless otherwise directed the mining sirdar is supposed to securing safety of
17. If stopping constructed of properly reinforced concrete the thickness not less than . . . . . . . . centimeters
18. The width of the flat base piece not less than . . . . . . . . Centimeters
19. Every rescue trained person shall be re-examined once at least in every "A" Month by a qualified medical practitioner. A is given by
20. The shot firing tools are
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