GATE (TF) Textile 2006 Question Paper Solution | GATE/2006/TF/64

Question 64 (Textile Engineering & Fibre Science)

A carding machine, working at 90%A efficiency, has cylinder radium 0.63m, cylinder surface speed 1600 m/min, doffer surface speed 40m/min and production rate 10.8 kg/h. Assuming that there is no draft between doffer and delivery roller, the linear density (ktex) of card sliver will be approximately

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Option A is correct.

Carding machine efficiency=90%

Cylinder radius=0.63m

Surface speed of cylinder=1600 m/min

Doffer surface speed=40 m/min

Production rate=10.8 kg/h

=10.8 x 1000/60 g/min

=180 g/min

Linear density of card sliver(ktex)=?

Linear density of card sliver(ktex)=Production rate/Doffer surface speed

Linear density of card sliver(ktex)=180/40

Linear density of card sliver(ktex)=4.5
=5 (Ans)

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