Coal Mining Regulation In India - Study Mode
[#156] When two tubs shall be deemed to be in dose succession, when the distance between them at any time is less than . . . . . . . . meter.
Correct Answer
(C) 10
[#157] Fume or vapour called . . . . . . . .
Correct Answer
(B) Gas
[#158] The coupling shall have a factor of safety of not less than . . . . . . . . in relation to maximum static load.
Correct Answer
(D) 7
[#159] The designer should ensure that the machinery, equipment or substances do not entail dangers for the . . . . . . . . of those using them correctly.
Correct Answer
(B) Safety and health
[#160] The mechanical ventilator used below ground for boosting the whole current of air passing along the intake or return air way of a mine or ventilation district called.
Correct Answer
(C) Booster fan