Question: A large thick steel block is initially at 3 0 0 C and it is cooled by a spraying water on the surface. The surface

A large thick steel block is initially at 300C and it is cooled by a spraying water on the surface. The surface temperature of the steel block is the same as the water temperature which is @20 C. Thermal diffusivity of steel is 1.3410-5m2s and k=50.0Wm.K. Calculate the heat flux at the surface after 1 minute.
A large thick steel block is initially at 3 0 0 C

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