71. The maximum voltage of electrical signals in underground mines having supported on insulators is
72. The inflammable material shall not be stored within a distance of . . . . . . . . meters from any entrance to a mine which is not effectively sealed off from the working below ground.
73. No working shall be made and no work of extraction or reduction of pillars shall be conducted at or extend to, any point within . . . . . . . . meters in any railway or any public works in respect with the regulations.
74. In every coal seam arrangements shall be made once in at least every . . . . . . . . days to ascertain the atmospheric condition behind the stoppings built to seal of the area of workings, unless such stopings are capable of resisting force of an explosion.
75. In every below ground working . . . . . . . . different sources of power to the mechanical ventilator shall be provided.
76. Which of the following functions of rescue station is not permitted by Chief Inspector even though the owner is allowed to establish a rescue room for group of mines having total number of persons ordinarily employed is in excess of 5000?
77. What should be the degree of fleet angle?
78. Every airway, air crossing, stopping, doors shall be examined by a competent person once atleast in every . . . . . . . . days.
79. The strips at uniform interval not exceeding . . . . . . . . meters of sampling.
80. Every magazine where explosive are stored shall be in charge of . . . . . . . . person for proper receipt, storage and issue of exploses.
Read More Section(Mine Legislation and General Safety)
Each Section contains maximum 100 MCQs question on Mine Legislation and General Safety. To get more questions visit other sections.