61. No working shall be made in any mine vertically below
62. In the workings having an inclination of . . . . . . . . degrees or more from the horizontal adequate precaution shall be taken to prevent danger to persons from falling or rolling of timber, tools or other appliances or material.
63. Liquid oxygen explores shall riot be used in any . . . . . . . . mine.
64. Efficient telephonic communications in any below ground coal mine should be provided when a system of haulage roadways & conveyors extends to a distance of more than 'A' meters. 'A' is given by
65. Every safety lamp in use thoroughly examined by a competent person once at least in every . . . . . . . . days.
66. No working or gallery shall be extended to a distance of more than . . . . . . . . meters from the nearest ventilation connection unless the current of air is covered upto a point within . . . . . . . . meters of the face by means of fire resistant pipes, tubes, brattices or other material.
67. In which regulation of CMR 2017, the duties of Safety Officer is stipulated?
68. Which of the following job is not supposed to be done by the Timber man?
69. Which of the following category of work persons are not bound statutorily to have first aid certificate & to carry first aid outfit while on duty?
70. The depth of the bore hole not less than . . . . . . . . m deep in advance of working containing or likely to contain accumulation of inflammable/Noxious gas to take precaution against eruption of gas.
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