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1. 10lbs of ice at -(minus) 40F. How much Btu needed to heat it to 400F at P=15psig ? 1. 10gal of condensate at 60F

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1. 10lbs of ice at -(minus) 40F. How much Btu needed to heat it to 400F at P=15psig ? 1. 10gal of condensate at 60F transformed to superheated steam T=350F, P=30psia Total heat needed? 1. 5 gal of condensate at 40F heated to superheated steam P=70psia,T=515F. Feedwater loss was 5% Total heat needed? 1. 15gal of condensate at 100F transformed to saturated steam at 115 psia with 7% quality. Total heat needed

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