— 169 — 
BOILER TEST, N. 172 
Brasil n. 1 
DURATION OF TEST—3.35 HOURS KIND OF COAL-MINE RUN 
Size of coal—average diameter in inches—1.42 
KIND OF GRATE—PLAIN 
B. T. U. perlb. dry coal, . . . 10028)Equivalent water evaporaied: 
Per centofratedh. p. of Boiler, . 73.38}Per Ib. of coal as fired. . . . . 3.416 
Elliciency . . . . 2 . . © © ~=©58.83} Per lb. dry coal. . . ae 5.80 
Water evaporated per lb. coal as Per lb. combustible. ree 8.43 
UPOd. we a we ke we OR ae ES 4.48 
Furnace temperature, degrees Fahr . . . 2 1. we 1900 
Equivalent lbs. of coal used per I. H. P.(*) hour at steam, Dry . She 4.88 
engine . .« . Se © oe oe we & @ » « HAS Tired. «2 = . x 5,48 
Equivalent lbs. of coal used E.H.P. hour (**) developed Dry . Gove? ae 6.02 
at switchboard. Oo eS ae Be we eo es tmedt go ae oe 6.77 
Analyses 
PROXIMATE ULTIMATE (***) 
Fixed carbon. . 2 6 « 6 6 3t.49/Garbons 2. 2 «© «© «© @ & @ 6 56.70 
Volatile mattere « . 2. © «+ 27.06]/Hydrogen. . . « . 2 ee 3.71 
Moisture . 2 © © «© «© « « © 10.92/Oxygen, » 2 2 2 ew ew we 8.08 
Ashs « «© @#® «© s © ® # © « 24.53|Nitrogen . 2 6 6 6 8 ew 0.95 
Sulphur separately determined. . 2.69)Sulphur . . 1. 2 6 ew ee 3.02 
Ash «@ « s & & « @ « » «© @ysd4 
(*) Indicated Horse Power. 
("") Electric Horse Power. 
(***) Figured from car sample. 
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