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To defog the rear window of an automobile, a very thin transparent heating element is attached to the inner surface of the window. A unform heat flux of 1300 W/m^2 is provided to the heating element for defogging the rear window of thickness 5 mm. The interior temperature of the automobile is 22 C and the convection heat transfer coefficient is 15 W/m^2K. The outside ambient temperature is -5 C and the convection heat transfer coefficient is 100 W/m^2K. If the thermal conductivity of the window is 1.2 W/mK, determine the inner surface temperature of the window.
a steam power plant operates on an ideal reheat-regenerative rankine cycle and has a netnbsppower output of 80 mw.
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a mass of 10 kg is vertically accelerated from rest to 10 ms through a height of 100 m. the internal energy of the mass
hot water flows through a pvc k.092 wmk pipe whose inner diameter is 2 cm and outer is 2.5 cm. the temperature of the
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