Textile Engineering > GATE 2025 > Fabric Testing
In water vapour transmission test of a fabric by evaporative dish method, the initial mass of the dish is 198 g. After 20 h of test, the mass of the dish becomes 188 g. The inner and outer diameters of the dish are 6.5 cm and 6.9 cm, respectively. The water vapour transmission rate (g/m2/h) of the fabric (rounded off to 2 decimal places) is

Correct : 2.40

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water vapour transmission test evaporative dish method fabric water vapour transmission GATE Textile Engineering 2025 textile engineering gate fabric moisture transmission dish method water vapour GATE 2025 question 64

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