11. The flame safety lamp commonly used for accumulation test made under velox trade names . . . . . . . .
12. Output of light lumens and the life of the bulb in hours of old ham cap lamp respectively is . . . . . . . .
13. The minimum amount of light required for reading . . . . . . . .
14. Wet kata cooling power of at least the following value indicates a comfortable thermal environment . . . . . . . .
15. The weight of GL-50 lamp with fuel is . . . . . . . . kg.
16. At 3 m distance the illumination would be . . . . . . . .
17. Why we not use the copper gauze in a flame safety lamp.
18. Thread like blood sucking worm which enters the body through the . . . . . . . .
19. Dust particles in the inhaled air is from the hair and mucus in nose arrest the size of the particles greater than . . . . . . . . in diameter.
20. To improve the lighting effect the following places to be white washed in u/g mines.
Read More Section(Miscellaneous in Mining)
Each Section contains maximum 100 MCQs question on Miscellaneous in Mining. To get more questions visit other sections.