For aesthetic purposes, you are to fit a metal rod into a stainless-steel hole for your house's design. The hole is 9.988 mm in diameter. If the rod is to be heated so that it will fit into the hole, what will be the temperature in °C? Assume: Your house's temperature is 25°C The length of the rod is around 10 mm. Linear coefficient of the metal rod is 4.5×10-6°C and for the stainless steel is 16×10-6°C

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Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.