Consider a vertical plate of dimension \(0.25 \mathrm{~m} \times 0.50\mathrm{~m}\) that is at \(T_{s}=100^{\circ} \mathrm{C}\) in a quiescent environment at \(T_{\infty}=\) \(20^{\circ} \mathrm{C}\). In the interest of minimizing heat transfer from the plate, which orientation, (A) or (B), is preferred? Estimate the rate of heat transfer by free convection from the front surface of the plate when it is in the preferred orientation.

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T. T Orientation A Orientation B. Air, T