![MINE GASES n Category of Gases n Physics of Gases n Exposure Limits n Measurement of Gases n Mine Gases n Smoke & Damps. - ppt download MINE GASES n Category of Gases n Physics of Gases n Exposure Limits n Measurement of Gases n Mine Gases n Smoke & Damps. - ppt download](https://images.slideplayer.com/7/1711551/slides/slide_3.jpg)
MINE GASES n Category of Gases n Physics of Gases n Exposure Limits n Measurement of Gases n Mine Gases n Smoke & Damps. - ppt download
![SOLVED:the weight per unit volume of a material: the pressure of fluids or gases that are stationary or not in motion. the density of a material divided by the density of' water_ SOLVED:the weight per unit volume of a material: the pressure of fluids or gases that are stationary or not in motion. the density of a material divided by the density of' water_](https://cdn.numerade.com/ask_images/357dd6ad1d694ea9a2bc111080a4970a.jpg)
SOLVED:the weight per unit volume of a material: the pressure of fluids or gases that are stationary or not in motion. the density of a material divided by the density of' water_
![The steam-engine and other heat-motors . W2, Wz, W4, W5 represent the weight of the gases 486 THE STEAM-ENGINE AND OTHER HEAT-MOTORS present, and Ci, C2, C3, C4, C5 represent the The steam-engine and other heat-motors . W2, Wz, W4, W5 represent the weight of the gases 486 THE STEAM-ENGINE AND OTHER HEAT-MOTORS present, and Ci, C2, C3, C4, C5 represent the](https://c8.alamy.com/comp/2CD9DNP/the-steam-engine-and-other-heat-motors-w2-wz-w4-w5-represent-the-weight-of-the-gases-486-the-steam-engine-and-other-heat-motors-present-and-ci-c2-c3-c4-c5-represent-the-proper-specific-heatsthen-h-=-w1c1-w2c2-w3c3-w-4c4-w5c5t-where-h-=-total-heat-of-combustion!t-=-rise-in-temperature-it-is-evident-if-w-and-w5-represent-gases-that-were-notor-could-not-be-burned-that-the-resulting-rise-in-temperaturewould-be-very-much-less-than-it-would-have-been-had-they-beenabsent-thus-when-gases-are-burned-in-air-the-necessity-ofraising-the-temperature-of-the-non-combustible-nitro-2CD9DNP.jpg)