1.

What is the value of havg of a condenser at a distance of 25cm if a 0.5m square plate is to be used to condense dry saturated steam at 0.08bar, if the wall surface is to be maintained at 18.5 ?
Given Tsat= 41.5 , density = 995kg/m3, hfg = 2402 KJ/m hr K, K = 2.22 KJ/mK, = 8.01x 10 4 Ns/m2

A. 50 105 J/m<sup>2</sup>K
B. 10 105 J/m<sup>2</sup>K
C. 350 105 J/m<sup>2</sup>K
D. 26 x105 J/m<sup>2</sup>K
Answer» E.


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