GATE (TF) Textile 2018 Question Paper Solution | GATE/2018/TF/30

Question 30 (Textile Technology & Fibre Science)

Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].
[a]: In a carding machine, carding type of wire point configuration is used between cylinder
and doffer.
[r]: Carding type of wire point configuration gives the best fibre transfer without disturbing
the fibre alignment.

(A)Both [a] and [r] are true and [r] is the correct reason for [a]
(B)Both [a] and [r] are true but [r] is not the correct reason for [a]
(C)Both [a] and [r] are false
(D)[a] is true but [r] is false
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Frequently Asked Questions | FAQs

What is carding wire?

In a carding machine, carding wire refers to a type of wire that is used to create the carding surface. This wire is usually made of steel or other durable metals and is attached to a cylinder or drum that rotates at high speed. The carding wire is designed with sharp, pointed teeth that extend outward from the surface of the drum. As the drum rotates, the wire combs through the fibers of the material being processed, separating and aligning them into a more uniform orientation.
The carding wire is a critical component of the carding process, as it determines the quality and consistency of the final product. The type and configuration of the wire can be adjusted to accommodate different types of fibers and desired outcomes. For example, shorter and finer wires are used for processing fine fibers like wool, while longer and coarser wires are used for processing thicker and more coarse fibers like cotton.
Overall, the carding wire plays a crucial role in the carding process, helping to create a consistent, high-quality product from raw fibers.

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