How many days in a week, the Manager of a below ground coal mine shall visit the mine to see that the safety aspect is ensured?
A. 2 days
B. 3 days
C. 4 days
D. 5 days
Answer: Option C
A. 2 days
B. 3 days
C. 4 days
D. 5 days
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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