21. When does the inspector give an order in writing to supply cool water to the employee of opencast workings?
22. The preparation of charges and the charging and stemming of holes shall be carried out by the personal supervision of . . . . . . . .
23. Which of the following provisions is not essential in a fresh airbase kept for the purpose of rescue work?
24. Conditions for conduct of deep hole blasting in a mine shall be specified by the
25. The shot firing cable be less than . . . . . . . . m.
26. Samples shall be taken in such a systematic manner and at intervals not exceeding . . . . . . . . months.
27. It shall be the duty of the Engineer or other competent person to examine every winding rope once at least in 30 days by passing the rope at a speed not exceeding "A" m/sec. A is given by
28. The ganges of . . . . . . . . can not be used.
29. The mine manager shall, atleast days before the commencement of any operation, submit a copy of the support plan framed submit to the R.I
30. In case of any difference in opinion between Workmen's Inspector & the Owner, Agent or Manager, the matter should be sent to
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