Heat TransferHard
Question
A slab of stone of area 0.36 m2 and thickness 0.1 m is exposed on the lower surface to steam at100oC. A block of ice at 0oC rests on the upper surface of the slab. In one hour 4.8 kg of ice is melted. The thermal conductivity of slab is (Given latent heat of fusion of ice = 3.36 × 105 J kg-1)
Options
A.1.02 J / m / s / oC
B.1.24 J / m / s / oC
C.1.29 J / m / s / oC
D.2.05 J / m / s / oC
More Heat Transfer Questions
By cooling two liquids of equal volume from temp. 60 oC to 50 oC in same conditions time required are 324 and 810 sec.re...The area of the glass of a window of a room is 10m2 and thickness 2 mm. The outer and inner temperature are 40oC and 20o...Liquid is filled in a vessel which is kept in a room with temperature 20oC. When the temperature of the liquid is 80oC, ...A perfectly black body is one where :...Ratio of radius of curvature of cylindrical emitters of same type is 1 : 4 and their temp. are in ratio 2 : 1. Then rati...

