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Q1. The following observations were made in a boiler trail: kj kg Coal used 250 kg of Calorific value 29800; water evaporated 2000 kg;

Q1. The following observations were made in a boiler trail: kj kg Coal used 250 kg of Calorific value 29800; water evaporated 2000 kg; steam pressure 11.5 bar; dryness fraction of steam 0.9 and feed water temperature 34 C Calculate the equivalent evaporation "from and at 100 C" [Answer: 0.682]

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