The Technical World, Volume 1American school of correspondence at Armour Institute of Technology, 1904 |
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Page 20
... pound of steam at 2 pounds gage pressure is 960 ; therefore , out of each pound of live steam furnished to the engine , there will be 960X.8 = 768 heat units available for heating purposes . It requires practically 210-40 = 170 heat ...
... pound of steam at 2 pounds gage pressure is 960 ; therefore , out of each pound of live steam furnished to the engine , there will be 960X.8 = 768 heat units available for heating purposes . It requires practically 210-40 = 170 heat ...
Page 21
... pounds and the back pressure is raised 5 pounds ; what will be the loss in power ? Five - fortieths = % , or 12.5 per cent , loss in power . There are two ways of offsetting this loss . One is by raising the initial or boiler pressure ...
... pounds and the back pressure is raised 5 pounds ; what will be the loss in power ? Five - fortieths = % , or 12.5 per cent , loss in power . There are two ways of offsetting this loss . One is by raising the initial or boiler pressure ...
Page 22
... pounds . If the back pressure is raised 6 pounds , the mean pressure must be increased the same amount in order to maintain the same power of the engine . This gives 62 + 6 = 68 pounds as the re- quired mean pressure under the new con ...
... pounds . If the back pressure is raised 6 pounds , the mean pressure must be increased the same amount in order to maintain the same power of the engine . This gives 62 + 6 = 68 pounds as the re- quired mean pressure under the new con ...
Page 23
... pounds to 5 pounds was only 5 pounds , an amount so small that it could involve no harmful or wasteful results . So far as the efficiency of the radiators is concerned , it makes no difference whether the air is drawn out or forced out ...
... pounds to 5 pounds was only 5 pounds , an amount so small that it could involve no harmful or wasteful results . So far as the efficiency of the radiators is concerned , it makes no difference whether the air is drawn out or forced out ...
Page 26
... pounds ) per linear meter , resting on heavy spruce ties 22 in . from center to center and heavily ballasted with broken basalt . The rails are set on each tie in a steel chair , strongly bolted down , and are joined perpendicularly by ...
... pounds ) per linear meter , resting on heavy spruce ties 22 in . from center to center and heavily ballasted with broken basalt . The rails are set on each tie in a steel chair , strongly bolted down , and are joined perpendicularly by ...
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