Consider flow of air above a plate (p = 2.154 W/m-K) with velocity 5 m/s along the length 0.5 m of the plate, the properties of air are: ka 36.4×1003 W/m-K v=30.84×10-06 m²/s Pr = 0.687 Calculate the average heat transfer coefficient. (A)4.18 W/m²K (B)8.14 W/m²-K (C)18.4 W/m² K (D) 12.14 W/m² K B