Mechanical laboratory methods; the testing of instruments and machines in the mechanical engineering laboratory and in practice (1922)
Smallwood, Julian Chase · New York, D. Van Nostrand company · leaf 71
ng. The table is revolved by hand to reducefriction at the plunger. 54 THE ENGINE INDICATOR 10 The heights of the lines from the atmosphere line are thenmeasured to ilo in;, and recorded on the diagram with corre-sponding pressures as in Fig. 34. These data are then plottedand results obtained as… … Fig. 33.—Indicator Spring TestingApparatus. W8. _m_5(j 1.32 l36* 40 l02n -1031-30 0.64* Zd 0.32r 0.34* 10 Atmosphere-^ o < Fig. 34.—CalibrationRecords. pressure in pounds per square inch, and E, the height of theindicator pencil in inches. (d) Correction of Indicator Diagrams. Various methods,…
Mechanical engineering
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