It may be sufficient to provide one rescue room for a number of mines, if the total number of persons ordinarily employed in below ground working of all such mines does not exceed,
A. 2500
B. 5000
C. 7500
D. 10000
Answer: Option B
A. 2500
B. 5000
C. 7500
D. 10000
Answer: Option B
Combustable oils or materials not used for filling in . . . . . . . . Equipment
A. Hydraulic
B. Chemical
C. Biological
D. Eletrical
Out of the following belt conveyor related items which one is provided for safety for the persons?
A. Loop-take-up
B. Idler set
C. Audio-visual alarm
D. sequential control switch
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