Q3 - The rear window of an automobile is defogged by passing warm air over its inner surface If the warm air is at Txi = 40 °C the corresponding convection coefficient h; = 15 W/ m²K, what are the inner and outer surface temperature of 5mm thick window glassk = 0,78 W/ m K, if the outside ambient air temperature is Tco = -15 °C and associated convection coefficient is ho = 65 W/ m²K

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Buckling of columns

The column is described as a vertical member of the structure that carries an axial compressive load, and buckling is a lateral deformation of the column under the application of load.