Question 50 (Textile Technology & Fibre Science)
If the moisture regain (%) and moisture content (%) of a fibre are the same then the value of moisture regain (%) is __0__.
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Formula:
Moisture regain(M)=(W/D)*100
Moisture content(C)=(W/(W+D))*100
Where, W=weight of water and D=oven dry weight of material
As given in the question–
Moisture regain(M) =Moisture content(C)
(W/D)*100 =(W/(W+D))*100
1/D=1/(W+D) ,
W+D=D
W=0
Now, Moisture regain(R)=(W/D)*100
=0/D*100
Moisture regain(R) =0 (Answer)
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