A. A double pipe heat exchanger is constructed of 0.287 cm thick steel tubing with 2.09 cm inner tube and 2.66 cm outer tube. The inside and the outside coefficients of heat transfer are 1 135 WI m2.K and 5677 W/m2.K, respectively, and thefouling factor is 9.98 x 105 m2.K/W. Calculate the overall coefficient of heat transfer. B. Heat transfer takes place from a high-temperature body to a low-temperature body according to (a) zeroth law of thermodynamics (b) first law of thermodynamics (c) second law of thermodynamics (d) third law of thermodynamics
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