Q5
For lighting arrangements in depillaring areas in deg.2 and 3 gassy mines having fire cluster of . . . . . . . . cap lamps placed on suitable stand, inaddition to cap lamps for individual workmen.
A.
5 - 10
B.
10 - 15
C.
15 - 20
AnswerD.
20 - 25
Answer: Option C
Solution
Answer: Option C
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