. Tentative revised boiler safety orders. W: i^i (C^c I. /.3 . . ./.e . i/.8 IIS .ZO Zl 22 £3 M- ££ £.7 .^B ?P 3A 3B 38 3B 40 -4,1 d£ uL3 .46 47 AS 49 SO —J— Pio. 13 DiAQR-vu FOB Determination of the Efficiencies op Lokgitudinal Cf .Ijqaments Between Tube Holes in Cylindrical Tube Siiee NEW INSTALLATIONS, PART I, SECTION I, POWER BOILERS 49 The point corresponding to these values is shown at A on thediagram, Fig. 13, and the corresponding efficiency is per the point falls below the curve of equal efficiency for the diag-onal a
. Tentative revised boiler safety orders. W: i^i (C^c I. /.3 . . ./.e . i/.8 IIS .ZO Zl 22 £3 M- ££ £.7 .^B ?P 3A 3B 38 3B 40 -4,1 d£ uL3 .46 47 AS 49 SO —J— Pio. 13 DiAQR-vu FOB Determination of the Efficiencies op Lokgitudinal Cf .Ijqaments Between Tube Holes in Cylindrical Tube Siiee NEW INSTALLATIONS, PART I, SECTION I, POWER BOILERS 49 The point corresponding to these values is shown at A on thediagram, Fig. 13, and the corresponding efficiency is per the point falls below the curve of equal efficiency for the diag-onal and) longitudinal ligaments, the diagonal ligament is theweaker. 2d, diagonal pitch of tube holes in drum=:6 3%4 of tube holes=4%4 pitch of tube holes ==7 in. P _ d __ The point corresponding to these values is shown at B, and itwill be seen that it falls above the line of equal efficiency for thediagonal and longitudinal ligaments, in which case the efficiencyis computed from formula (1). Applying
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsteambo, bookyear1919
