Mine Ventilation - Study Mode
[#196] D 6 methanometer, suitable for checking gas accumulation with measurement ranging from . . . . . . . . by volume.
Correct Answer
(B) 0 - 5%
[#197] The smell of SO 2
Correct Answer
(C) sulphuros
[#198] The increase of temperature with depth at a definite rate called . . . . . . . .
Correct Answer
(C) geothermic gradient
[#199] U.C shaft is used for sucking . . . . . . . . air.
Correct Answer
(A) return
[#200] The main mechanical ventilator deals with all the air in mine has to be situated on . . . . . . . .
Correct Answer
(D) surface