Lab Test #2 v4

# Lab Test #2 v4 - 4 4 7 8 3 2 1 3 2 1 3 2 1 x Y x x x x Y x...

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ECOR 2606 Lab Test #2 v4 Instructions: Submit two "script" files, one for each of the two questions. Call these files Q1.m and Q2.m. All values output by your scripts must be appropriately identified (e.g. "The value of ... is . .."). Just omitting the semi-colon from the command that calculates the value is not acceptable. If a "script" requires functions that cannot be implemented as anonymous functions you must use a "void" (i.e. no inputs, no outputs) function m-file with secondary functions. A brief reminder of how to do this can be found on the G:drive (scripts.pdf). 1/. (6 marks) Analysis of an engineering problem has produced the system of equations shown below. Y is a parameter that can be varied. 10 ) 5 ( 3 6 2 ) 6 ( 3
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Unformatted text preview: 4 4 7 ) 8 ( 3 2 1 3 2 1 3 2 1 x Y x x x x Y x x x x Y (i) If Y is zero, what are x 1 , x 2 , and x 3 ? (ii) Create a plot of x 2 vs Y for Y from -6 to 6 (iii) Within this interval, what are the values of Y that make x 2 equal to 3? 2/. (4 marks) A process involves four reactors, two input flows, and one output flow. The diagram shows the flow paths and volume of each flow. Assume that the flows are in litres/s. 4 3 10 ( c = 10) 7 6 c 1 c 2 c 3 c 4 9 4 6 ( c = 30) 5 Each flow and each reactor contains a concentration c (in mg/litre) of some substance. . Assuming that the system is in a steady state, what are concentrations c 1 , c 2 , c 3 and c 4 ?...
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