No working shall be made and no work of extraction or reduction of pillars shall be conducted at or extend to, any point within . . . . . . . . meters in any railway or any public works in respect with the regulations.
A. 30
B. 45
C. 60
D. 90
Answer: Option B
Related Questions on Mine Legislation and General Safety
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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