A cylindrical metal rod of 20mm diameter and 1m length is subjected to a tensile load of 60KN. To what length the cylinder should be centrally bored on one side to reduce weight by material removal, so that the total extension will increase by 10 percent under the same pull. The diameter of the hole being bored on

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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.