Use the value of the viscosity of water given in Table B. 2 at temperatures of (0,20,40,60,80),

Question:

Use the value of the viscosity of water given in Table B. 2 at temperatures of \(0,20,40,60,80\), and \(100^{\circ} \mathrm{C}\) to determine the constants \(D\) and \(B\) which appear in Andrade's equation (Eq. 1.11).

Calculate the value of the viscosity at \(50^{\circ} \mathrm{C}\) and compare with the value given in Table B.2. Rewrite the equation in the form

\[ \ln \mu=(B) \frac{1}{T}+\ln D \]

and plot \(\ln \mu\) versus \(1 / T\). From the slope and intercept of this curve, \(B\) and \(D\) can be obtained. If a nonlinear curve-fitting program is available, the constants can be obtained directly from Eq. 1.11 without rewriting the equation.)

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