A boiler with a water capacity of 10 tons,...

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Question 1 of 205eccefa0bacbc34ba4d46f8b

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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🔍 Key Concepts

• Rate of change per hour and how to apply it over a period of time • Difference between initial concentration and increase in concentration • Understanding that ppm change here is given as a simple linear rate (ppm per hour)

💭 Think About

• Ask yourself: If the concentration is increasing by a fixed amount every hour, how much total increase do you get after 24 hours? • How does the initial 0.5 ppm value relate to a question that asks specifically for the increase after a certain time? • Is the boiler’s water capacity and steam generation rate actually needed for the calculation, or are they there to test whether you can pick out the relevant data?

✅ Before You Answer

• Focus on the rate of increase in ppm per hour and multiply by the correct number of hours. • Be clear whether you are calculating the final concentration or just the amount of increase from the initial value. • Double-check the units: the rate is in ppm per hour, and time is in hours — make sure they match before multiplying.

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