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Mining Engineering · all questions

Mine Ventilation
practice.

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440

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Cooling power of the mine measured by using . . . . . . . .

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Fire damp composed of

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Temperature stated in Farenheit or centrigrade, the conversion ratio is

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The marsh gas called as

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The gas law states that the volume of given mass of gas inversely proportional to pressure, the temperature remains constant.

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Atmospheric air has the capacity to absorb moisture and air containing it called

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A water gauge is placed in the fan drift, one end connected to the atmosphere and other in the fan drifts near the . . . . . . . . towards the mine.

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The affinity for the haemoglobin of the blood is nearly . . . . . . . . times that of O2.

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Oxygen of the air in a mine consumed for

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The gas which is rotten egg smell.

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The specific gravity of mercury is . . . . . . . .

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The dimensions of the OXD-2M instrument.

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Ignition temperature of anthracite coal is

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Lower limit of inflammability of methane air mixture that participate in exposion

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D6 MSA methenometer works on the principle of

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Hoolamite will be converted to a shade of green, brown or black by the reaction of . . . . . . . .

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Temperature of mine air commonly measured by . . . . . . . .

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The ratio of mass of water vapour per m3 of air to mass of water vapour required to saturate one m3 of air called

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Motive column is given by the formula

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When lime is added to water.

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