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				| 1. | The temperature profile at a particular location in a thermal boundary layer is prescribed by n expression of the formt (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>) | |