Question

Ans: 425A metal Cylinder 0.628m long and 0.04m in diameter has one end in boiling water at 100°C andother end in melting ice. The Coefficient of Thermal Conductivity of the metal is 378wm 'k.Latent Hat of Ice is 3.36x10ʻJ/Kg. Find the mass of Ice melts in one hour. ​

Answer 1

The mass of the ice that melts in one hours is 0.8 Kg

Explanation:

Heat required for melting of ice =Heat absorbed through conduction

mL= kAt△θ / d

m = kAt△θ / dL

   = kπD2t△θ / 4dL    

   = 378× 3.14 ×0.042×3600×100 / 4×0.628×335×1000  

   =0.8 kg

Thus the mass of the ice that melts in one hours is 0.8 Kg

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