"Verbal" notes and sketches for marine engineers : a manual of marine engineering practice, intended for the use of naval and mercantile engineer officers of all grades, and students, and is specially compiled for the use of engineer officers preparing for examinations of competency at home or abroad . jaro^uaw^ P=^ closed circuit, any excess passing over the pipe E to the wet spring-loaded valve F is adjusted to maintain about 20 in the dry pump hotwell when the condenser is working at28 in. vacuum, and this 8 in. difference of pressure is sufficient tocause the water to ov
"Verbal" notes and sketches for marine engineers : a manual of marine engineering practice, intended for the use of naval and mercantile engineer officers of all grades, and students, and is specially compiled for the use of engineer officers preparing for examinations of competency at home or abroad . jaro^uaw^ P=^ closed circuit, any excess passing over the pipe E to the wet spring-loaded valve F is adjusted to maintain about 20 in the dry pump hotwell when the condenser is working at28 in. vacuum, and this 8 in. difference of pressure is sufficient tocause the water to overcome the cooler friction and pass into the. THE WEIR DUAL AIR PUMP. Xerljal Notes and Sketchts. [ To face page 686. Appendix 687 suction, and at the same time never allow any direct air connectionbetween the dry suction and discharge. Operation of Three-Wire System. The generators of this system consist of an ordinary direct currentmachine with two or more slip rings on the armature shaft extendingas shown in the sketch. These slip rings are connected to the arma-ture winding in such a manner as to give single phase in the case oftwo slip rings, three phase in the case of three slip rings, and twophase in the case of four slip rings. r Balance Colls -%
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Keywords: ., bookcentury1900, bookdecade1910, bookidverbalnotess, bookyear1917
