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CSS Solved Papers
Physics Chemistry

Engineering :: Thermodynamics

  The rate of heat flow from a 50 mm thick wall of material having thermal conductivity of 40 W/m?C for a temperature difference of 10?C will be
[A]. 80 kcal/m2 hr[B]. 800 kcal/m2 hr
[C]. 8000 kcal/m2 hr[D]. 80000 kcal/m2 hr
[E]. 2000 kcal/m2 hr    

Answer: Option D
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