The mechanical engineer's pocket-book; a reference-book of rules, tables, data, and formulae, for the use of engineers, mechanics, and students

 
9781236468857: The mechanical engineer's pocket-book; a reference-book of rules, tables, data, and formulae, for the use of engineers, mechanics, and students

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1897 edition. Excerpt: ...Net area of plungers sq. ins. 11. Average length of stroke of steam-pistons during trial ft. 12. Average length of stroke of plungers during trial ft. (Give also complete description of plant.) TEMPERATUKES. 13. Temperature of water in pump-well degs. 14. Temperature of water supplied to boiler by main feed-pump.. degs. 15 Temperature of water supplied to boiler from various other sources degs. FEED-WATER. 16. Weight of water supplied to boiler by main feed-pump lbs. 17. Weight of water supplied to boiler from various other sources, lbs. 18. Total weight of feed-water supplied from all sources lbs. PRESSURES. 19. Boiler pressure indicated by gauge lbs. '10. Pressure indicated by gauge on force main lbs. 21. Vacuum indicated by gauge on suction main ins. Xi. Pressure corresponding to vacuum given in preceding line lbs. y8. Vertical distance between tlie centres of the two gauges ins. '4. Pressure equivalent to distance between the two gauges lbs. MISCELLANEOUS DATA. 25. Duration of trial hrs. 2li. Total number of single strokes during trial 27. Percentage of moisture in steam supplied to engine, or number of degrees of superheating % or deg. 28. Total leakage of pump during trial, determined from results of leakage test. lbs. 29. Mean effective pressure, measured from diagrams taken from steam-oyliuders i M.E.P. PRINCIPAL RESULTS. 30. Duty ft. lbs. 31. Percentage of leakage.. % 32. Capacity gals. 33. Percentage of total friction % ADDITIONAL RESULTS. 34. Number of double strokes of steam-piston per minute 35. Indicated horse-power developed by the various steam-cylinders I.H.P. 36. Feed-water consumed by the plant per hour lbs. 37. Feed-water consumed by the plant per indicated horse-power per hour, corrected for moisture in steam lbs. 38. Number...

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