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Solve the following equation 0.3089R2 – 0.4033R – 0.1242=0?(a) 2.45(b) 1.31(c) 8.9(d) 7.8This question was posed to me by my school principal while I was bunking the class.My query is from The Jafarey, Dougles and Mcavoy Equation in chapter Column Process Design, Optimization and Shortcut Calculations of Distillation Design |
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Answer» RIGHT option is (b) 1.31 The EXPLANATION is: USING quadratic formula f(x) =0.3089R2 – 0.4033R – 0.1242, and at f (1.31) = 0 we can CONCLUDE and THUS R=1.31. |
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