if any, determined from
the analysis of coal and ash. The "combustible" used for
determining the calorific value is the weight of coal less the
moisture and ash found by analysis.

The "heat absorbed" per pound of coal, or combustible, is
calculated by multiplying the equivalent evaporation from and at
212 degrees per pound of coal or combustible by 970.4.

Other items in this section which have been treated elsewhere are:

(B) Corrections for moisture in steam.

(C) Correction for live steam used.

(D) Equivalent evaporation.

(E) Heat balance.

(F) Total heat of combustion of coal.

(G) Air for combustion and the methods recommended for
calculating these results are in accordance with those described
in different portions of this book.

16. DATA AND RESULTS

The data and results should be reported in accordance with either the
short form or the complete form, adding lines for data not provided for,
or omitting those not required, as may conform to the object in view.

17. CHART

In trials having for an object the determination and exposition of the
complete boiler performance, the entire log of readings and data should
be plotted on a chart and represented graphically.

18. TESTS WITH OIL AND GAS FUELS

Tests of boilers using oil or gas for fuel should accord with the rules
here given, excepting as they are varied to conform to the particular
characteristics of the fuel. The duration in such cases may be reduced,
and the "flying" method of starting and stopping employed.

The table of data and results should contain items stating
character of furnace and burner, quality and composition of oil
or gas, temperature of oil, pressure of steam used for
vaporizing and quantity of steam used for both vaporizing and
for heating.

TABLE DATA AND RESULTS OF EVAPORATIVE TEST
SHORT FORM, CODE OF 1912

1 Test of.................boiler located at................................
to determine...............conducted by..............................
2 Kind of furnace..........................................................
3 Grate surface.................................................square feet
4 Water-heating surface.........................................square feet
5 Superheating surface..........................................square feet
6 Date...................