Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 456
60 100 150 200 250 300 350 400 450Tempeiature Difference-Degrees Fahrenheit(Pipe Temp.-Boojn Temp.) Fig. 21.—Heat losses from single thickness coverings. … 0 100 200 300 400 500 Temperature Difference, Degrees Fahrenheit(Pipe Temp. Room Temp.) Fig. 22.—Proper thickness of 85 per cent, magnesia covering formaximum net saving For example, suppose that the steam pressure is 150 lbs. per sq.in. gage, that it costs $0.30 per 1000 lbs. generated, and that…
Machine design
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