What should be the minimum floor area of a shelter in a mine?
A. 10 m2
B. 12 m2
C. 14 m2
D. 20 m2
Answer: Option C
A. 10 m2
B. 12 m2
C. 14 m2
D. 20 m2
Answer: Option C
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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