 The temperature at which combustion takes place is always the same for the same substance. The nitrogen reduces the temperature of the furnace, since a portion of the heat given off by combustion is required to heat the nitrogen. (1213) No. See definition...  A Treatise on Coal Mining - Page 3by International Correspondence Schools - 1900Full view - About this book
 | 1900 - 594 pages
...2O24. (1209) See Art. 2O23. (1210) See Art. 2O11. (1211) See Art. 2O11. (1212) (a) See Art. 2OO4. (6) The temperature at which combustion takes place is...steam at 400° may be found by means of formula 14O. // = 1,081.4 + .305 X 400 = 1,203.4 BTU Ans. (1217) In order to use formula 14O, the temperature must... | |
 | International Correspondence Schools - Nonferrous metals - 1902 - 654 pages
...2O25, and 2O28. (1208) See Art. 2O24. (1209) See Art. 2O23. (1210) See Art. 2O11. (1211) See Art. 2011. (1212) (a) See Art. 2OO4. (b) The temperature at which...at 400° may be found by means of formula 14O. H— 1,081.4 + .305 X 400 = 1,203.4 BTU Ans. (1217) In order to use formula 14O, the temperature must be... | |
 | Augustus W. Hamilton - Steam-heating - 1902 - 20 pages
...than could be accounted for by the heat units which they returned to the boiler in the feed water. The number of heat units required to convert a pound of water into steam is accurately known. It has always been taken for granted that if a certain proportion of... | |
 | American School (Chicago, Ill.) - Engineering - 1903 - 464 pages
...the feed water enters at 60° F. What will be the per cent gain if the feed is heated to 210° F. ? The number of heat units required to convert a pound of water at a given temperature, into steam at a given pressure, is equal to the difference in the total heat of... | |
 | Civil engineering - 1905 - 696 pages
...Arts. 2O17, 2O23, 2O25, and 2O28. (1208) See Art. 2O24. (1209) See Art. 2O23. (1210) See Art. 2O11. (1211) See Art. 2O11. (1212) (a) See Art. 2OO4. (b)...found by means of formula 14O. H= 1,081. 4 +. 305 X 400= 1,203.4 BTU Ans. (1217) In order to use formula 14O, the temperature must be known. This can be... | |
 | Louis Derr - Electrical engineering - 1906 - 590 pages
...the feed water enters at 60° F. What will be the per cent gain if the feed is heated to 210° F.? The number of heat units required to convert a pound of water at a given temperature, into steam at a given pressure, is equal to the difference in the total heat of... | |
 | American School (Chicago, Ill.) - Engineering - 1906 - 536 pages
...the feed water enters at 00° F. What will be the per cent gain if the feed is heated to 210° F.? The number of heat units required to convert a pound of water at a given temperature, into steam at a given pressure, is equal to the difference in the total heat of... | |
 | United States. Bureau of Animal Industry - 1912 - 744 pages
...water enteis the boiler at 60° F., what will be the present gain if the water is heated to 200° F. ? The number of heat units required to convert a pound of water at a given temperature into steam at a given pressure is equal to the difference in the total heat of... | |
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