In every below ground working . . . . . . . . different sources of power to the mechanical ventilator shall be provided.
A. 3
B. 4
C. 5
D. 2
Answer: Option D
A. 3
B. 4
C. 5
D. 2
Answer: Option D
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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