GATE (TF) Textile 2007 Question Paper Solution | GATE/2007/TF/80

In a jacquard harness system, the vertical distance between the bottom end of the central hook and the comber board is 140 cm

Question 80 (Textile Engineering & Fibre Science)

The length of the harness cord (cm) controlling an end operated by the same hook at a distance of 75 cm from the centre of the machine, would be approximately

(A)	65.8
(B)	158.8
(C)	215.8
(D)	315.8

[Show Answer]

Option B is correct

Vertical distance between bottom end of the central hook and comber board(O)=140 cm

Distance of an end operated by harness card from centre(A)=75 cm

Length of harness cord(H)=?

By formula-

$H^2=A^2+O^2$

$H^2=75^2+140^2$

$H=\sqrt(75^2+140^2)$

$H=\sqrt(5625+19600)$

$H=\sqrt(25225)$

Length of harness cord(H)=158.8 cm (Ans)

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