1.

The temperature profile at a particular location in a thermal boundary layer is prescribed by n expression of the form
t (y) = A- B y + C y 2

A. nWhere, A, B and Care constants. What is the value of heat transfer coefficient?
B. B k/ (t <sub>s</sub> t<sub> infinity</sub>)
C. 2 B k/ (t <sub>s</sub> t<sub> infinity</sub>)
D. 3 B k/ (t <sub>s</sub> t<sub> infinity</sub>)
E. 4 B k/ (t <sub>s</sub> t<sub> infinity</sub>)
Answer» B. B k/ (t <sub>s</sub> t<sub> infinity</sub>)


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