 | Ebenezer Cobham Brewer - 1848 - عدد الصفحات: 498
...latent heat. Q. What is FIRE ? A. Heat and light produced by the combustion of inflammable substances. Q. How is HEAT evolved by combustion ? A. By chemical...heat is liberated when water is poured upon lime. See page 32. Q. WluU chemical action takes place in combustion ? A. The elements of the fuel combine... | |
 | Ebenezer Cobham Brewer - 1851 - عدد الصفحات: 434
...COMBUSTION. Q. What is FIRE? A. Heat and light, produced by the combustion of inflammable substances. Q. How is HEAT evolved by combustion ? A. By chemical...of the fuel combine with the oxygen of the air. Q. What is meant by the " ELEMENTS OF FUEL ?'' A. As bread is a compound of flour, yeast, and salt; so... | |
 | John Henry Pepper - 1851 - عدد الصفحات: 640
...lurking about tombs, — to which fear has added its own creations. CHAPTER VI— COMBUSTION. 843. How is heat evolved by combustion ? A. By chemical...is liberated in combustion by chemical action also. 844. What chemical action takes place in combustion ? A. The elements of the fuel combine with the... | |
 | Robert Evans Peterson - 1854 - عدد الصفحات: 626
...church-yards, lurking about tombs ; to which fear has added its own creations. CHAP. VI.— COMBUSTION. 849. Q. How is heat evolved by combustion ? A. By chemical...liberated in combustion, by chemical action also. 850. Q. What chemical action takes place in combustion ? A. The elements of the fuel combine with the... | |
 | Ebenezer Cobham Brewer - 1856 - عدد الصفحات: 516
...COMBUSTION. Q. • What is FIRE? A. Heat and light, produced by the combustion of inflammable substances. Q. • How is HEAT evolved by combustion ? A. By chemical...A. The elements of the fuel combine with the oxygen oftthe air. Q. What is meant by the " ELEMENTS OF FUEL ?** A. As bread is a compound of flour, yeast,... | |
 | Robert Evans Peterson - 1857 - عدد الصفحات: 332
...churchyards, lurking about tombs: to which year has added its own creations. CHAPTER VI.— COMBUSTION. 849. Q. How is heat evolved by combustion ? A. By chemical...action, so latent heat is liberated in combustion. 850. Q. What chemical action takes place in combustion? A. The elements of the fuel combine with the... | |
 | David Ames Wells - 1857 - عدد الصفحات: 334
...the process of combustion, by the burning substance itself. 1473 How is heat evolved by combustion ? By chemical action. As latent heat is liberated, when...is liberated in combustion by chemical action also. 1473 What chemical action takes place in combustion t The elements of the fuel combine with the oxygen... | |
 | David Ames Wells - 1859 - عدد الصفحات: 344
...itself. 1473 How is heat evolved by combustion ? By chemical action. As latent heat is liberated, Avhen water is poured upon lime, by chemical action, so...is liberated in combustion by chemical action also. 1473 What chemical action takes place in combustion * The elements of the fuel combine with the oxygen... | |
 | David Ames Wells - 1859 - عدد الصفحات: 344
...the process of combustion, by the burning substance itself. 1473 How is heat evolved by combustion ? By chemical action. As latent heat is liberated, when water is poured upon lime, by chemical action, BO latent heat is liberated in combustion by chemical action also. 1473 What chemical action takes... | |
 | Robert Evans Peterson - 1863 - عدد الصفحات: 598
...churchyards, lurking about tombs,—to which fear has added its own creations. CHAPTER VI.—COMBUSTION. 843. How is heat evolved by combustion ? A. By chemical...is liberated in combustion by chemical action also. 844* What chemical action takes place in combustion ? A. The elements of the fuel combine with the... | |
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Q. How is HEAT evolved by combustion ? A. By chemical action. As latent heat is liberated, when water is poured upon lime, by chemical action ; so latent heat is liberated in combustion, by chemical action also. 
