3. A large tank initially contains 200 gal of brine in which 15 lb of salt is dissolved. Starting at t=0, brine containing 4lb of salt per gallon flows into the tank at the rate of 3.5 gpm. The mixture is kept uniform by stirring and the well- stirred mixture leaves the tank at the rate of 4 gpm. a. How much salt is in the tank at the end of one hour? b. How much salt is in the tank when the tank contains only 50 gal of brine?

3. A large tank initially contains 200 gal of brine in which 15 lb of salt is dissolved. Starting at t=0, brine containing 4lb of salt per gallon flows into the tank at the rate of 3.5 gpm. The mixture is kept uniform by stirring and the well- stirred mixture leaves the tank at the rate of 4 gpm. a. How much salt is in the tank at the end of one hour? b. How much salt is in the tank when the tank contains only 50 gal of brine?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

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3. A large tank initially contains 200 gal of brine in which 15 lb of salt is dissolved.
Starting at t=0, brine containing 4lb of salt per gallon flows into the tank at the rate of
3.5 gpm. The mixture is kept uniform by stirring and the well-stirred mixture leaves
the tank at the rate of 4 gpm.
a. How much salt is in the tank at the end of one hour?
b. How much salt is in the tank when the tank contains only 50 gal of brine?

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