In the event of emergency at underground mine Superintendent shall perform rescue & recovery work & within 'A' days shall send a report to the RI or CI of mines. 'A' is given by
A. 3
B. 5
C. 10
D. 14
Answer: Option A
A. 3
B. 5
C. 10
D. 14
Answer: Option A
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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