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Asked On2019-07-09 07:52:23 by:Gaganpreet-Gandhi

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Answers
Correct Option: B


FLM = F(I) + F(II) + F(III)
Where F is shape factor of surface area I, II and III of M with surface area of ‘L’
0.8 = F(I) + F(II) + F(III)
∵ (I) and (III) are symmetrical in shape so, shape factor of these surface will be same i.e. F(I) = F(III)
So, 0.8 = 2F(I) + F(II)... (1)

In this area (II) is same as fig. (I) area II.
i.e. FNR = F(II) = 0.4... (2)
From equation (1),

F(III) =
0.8 - 0.4
= 0.2
2


Here, FPQ = F(II) + F(III)
= 0.4 + 0.2 = 0.6

Answerd on:2021-12-24 Answerd By:Raj-Gupta

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