11. Coal mine operations are phibited if, the common boundary is within
12. Which one as stated below is not falling under category "below ground" in the classification of accident place of work.
13. Chock sheild can work in steeply inclined seams upto max . . . . . . . .
14. Deviation influenced by
15. The method of sinking through loose deposit of sand upto 20 m is
16. For manolithe concrete lining concrete in the proportion of
17. Bore hole deveation is . . . . . . . . degree from 30 m.
18. Cast iron pipe used
19. The input of sand in the mixing cone is measured calculated by an instrument
20. Pillar and stall method also known as
Read More Section(Coal Mining)
Each Section contains maximum 100 MCQs question on Coal Mining. To get more questions visit other sections.