Textile Engineering > GATE 2019 > Nonwoven
The punch density of a needle-punched nonwoven fabric is 50 punches/cm². If the stroke frequency of the needle bed is doubled and the fabric delivery speed is halved, what would be the new punch density (in punches/cm²)?

Correct : 200

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textile engineering gate 2019 punch density nonwoven fabric needle punched fabric stroke frequency effect fabric delivery speed textile engineering punch density GATE textile engineering nonwoven fabric punch density GATE 2019 Textile Engineering

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