Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 764
4Zafaff Fig. 315 tion pipe, which may be caused in some cases by too manybends or short elbows. In figure 316, the exhaust line is shown at too great aheight above the atmospheric line, thus showing that thedischarge of exhaust gases is choked. In theory, there … ^AZ^S Fig. 316 should be no back pressure, during the exhaust stroke, butin actual practice a pressure is recorded, varying in differ-ent makes of engines. Back pressure as shown in the diagram figure 316 mayresult from the following conditions: The exhaust valve 748 * Steam Engineering being too…
