Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 152
and we want to know how much steam must bedrawn off from a boiler carrying 70 pounds, in order to heat this water up to the boilingpoint. Our rough rule, of allowing one pound of steam for every five pounds of water,would call for 7,500^-5 = 1,500 pounds of steam, or three-quarters of a ton; and… … Fig. -Heating by a Closed Con.. To calculate the amount of steam required, with greater accuracy, we must first findout how many lieat units we have got to supply to do the required work. The water inthe tank is originally at 4S° Fahr., and we wish to heat it up to 212°. We must there-fore raise…
Locomotives · Steam-boiler explosions
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