Question 16 (Textile Engineering & Fibre Science)
A polypropylene filament is drawn in two stages with draw ratios of 1.5 and 2 respectively. The overall draw ratio is __3__.
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Given :
Draw ratio in first stage of polypropylene filament=1.5
Draw ratio in second stage of polypropylene filament=2
Now,
Overall draw ratio=Draw ratio in first stage of polypropylene filament x Draw ratio in second stage of polypropylene filament ,
Overall draw ratio=1.5 x 2
=3.0 (Answer)
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