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Engine 2014: Steam Plants

Question 19 of 1,951

A boiler with a water capacity of 10 tons, generates steam at the rate of 30 tons per hour.  If the feed water concentration of solids was initially 0.5 PPM, and will increase at a rate of 1.5 ppm every hour, what would be the increase in the feed water concentration of solids after 24 hours?

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