A Text book of Engineering for Secondary Technical Schools
A Text book of Engineering for Secondary Technical Schools
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In our eReader you can find the full English version of the book. Read A Text book of Engineering for Secondary Technical Schools Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Text book of Engineering for Secondary Technical Schools
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For this reason the air-pump is necessary with BOILER AND ENGINE EFFICIENCY 117 both styles of condenser, and its function is to remove from the con- denser the air and uncondensed vapor, as well as the water resulting from the condensation. The ordinary temperature of the water after condensation is about 126, corresponding to a pressure of 2 pounds per square inch.
-Heat Rejected into the Condenser. Steam is commonly exhausted into the condenser at a pressure of from 4 to 5 pounds with a cor-... responding temperature of about 160. Assuming the temperature of the water after condensation to be 126, each pound of exhaust steam upon entering the condenser is reduced from 160 to 126, which represents the liberation of 160 126 = 34 units. The lat- ent heat of a pound of steam at 160 temperature is 1091. 7 0. 7(160 32) = 1002 units, so that each pound of steam gives up 1002 units by its condensation into water at 160. The total quan- tity liberated by the condensation of one pound of the steam is 1002 + 34 = 1036 units, and this heat must all be destroyed, or abstracted, by the injection water.
What to read after A Text book of Engineering for Secondary Technical Schools?
You can find similar books in the "Read Also" column, or choose other free books by William Richard King to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
For this reason the air-pump is necessary with BOILER AND ENGINE EFFICIENCY 117 both styles of condenser, and its function is to remove from the con- denser the air and uncondensed vapor, as well as the water resulting from the condensation. The ordinary temperature of the water after condensation is about 126, corresponding to a pressure of 2 pounds per square inch.
-Heat Rejected into the Condenser. Steam is commonly exhausted into the condenser at a pressure of from 4 to 5 pounds with a cor-... responding temperature of about 160. Assuming the temperature of the water after condensation to be 126, each pound of exhaust steam upon entering the condenser is reduced from 160 to 126, which represents the liberation of 160 126 = 34 units. The lat- ent heat of a pound of steam at 160 temperature is 1091. 7 0. 7(160 32) = 1002 units, so that each pound of steam gives up 1002 units by its condensation into water at 160. The total quan- tity liberated by the condensation of one pound of the steam is 1002 + 34 = 1036 units, and this heat must all be destroyed, or abstracted, by the injection water.
What to read after A Text book of Engineering for Secondary Technical Schools?
You can find similar books in the "Read Also" column, or choose other free books by William Richard King to read onlineMoreLess
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