2) A tank, which has a capacity of 100 L, is initially half full of a solution thatcontains 50g of chemical. A solution containing 0.5g/L of the same chemicalflows into the tank at a rate of 6L/min, and the well-stirred mixture flows out at arate of 4 L/min. Determine the concentration of chemical in the tank justbefore the solution overflows.

Answered: Image /qna-images/answer/a79508c4-2642-41af-9b90-3454b0d666ad.jpg

Answered: 2) A tank, which has a capacity of 100…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A wastewater treatment plant serves a city with a total population of 50000. The total service area for the treatment plant is 100 km2. The wastewater flow is 300 L/cap.d. During the wet weather conditions, the expected infiltration/inflow for the city is 3800 L/Ha.d. Estimate the peak flow for this treatment plant (m3/d).
3. What will the flow rate be in milliliters per hour for vancomycin 1g/500 mL IV, if it is to be infused for 90 minutes? 333
A tank contains 1800 liters (L) of fluid in which 180 grams (g) of salt is dissolved. Solution containing 20 g/L then pumped into the tank at a rate of 30 L/min; the tank is maintained well mixed and pumped out at the same rate. How many grams of salt are in the tank 20 minutes after the inlet supply is opened? а. 10830 b. 11304 C. 11324 d. 10434 е. 10334
Two large tanks, each holding 100 L of liquid, are interconnected by pipes, with the liquid flowing from tank A into tank B at a rate of 5 L/min and from B into A at a rate of 4 L/min. The liquid inside each tank is kept well stirred. A brine solution with a concentration of 0.1 kg/L of salt flows into tank A at a rate of 10 L/min. The (diluted) solution flows out of the system from tank A at 9 L/min and from tank B at 1 L/min. If initially, tank A contains pure water and tank B contains 10 kg of salt, determine the mass of salt in each tank at time t≥0. x(t) = 10 L/min- 0.1 kg/L y(t) = 9 L/min A x(t) 100 L x(0) = 0 kg 5 L/min What is the solution to the system? 18 4 L/min B y(t) 100 L y(0) = 10 kg ..... 1 L/min O ✔
A city of 70000 residents has an average water demand of 250 L/ca.day. The institutional and commercial, and industrial average areas in the city are 250 and 350 Ha, and water demand expected is 20 and 23 m3 /Ha.d. The public water use and water unaccounted for are 10 and 6 % of total municipal water demand, respectively. Calculate total municipal demand and each component quantity as a % of total municipal demand.

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