Question
Melt spinning involves the continuous process for the multi-filament yarn manufacturing follows the sequence as :
A. melting of chips
B. quenching
C. extrusion of melt
D. drying of chips
E. winding on the bobbin
Choose the correct answer from the options given below :
This question was previously asked in
CUET PG 2026 Agri-Business Management Question Paper (25-Mar-2026) (Shift 2)
The correct answer is
D, A, C, B, E
Melt Spinning Process Sequence
The melt spinning process is used to manufacture synthetic yarns continuously. It involves transforming solid polymer chips into filaments and then winding them. The correct sequence ensures the quality and integrity of the yarn.
Understanding the Melt Spinning Steps
The process generally follows these key stages:
- Drying of chips (D): Polymer chips must first be thoroughly dried to remove any moisture. Moisture can cause degradation during the melting stage, affecting the final yarn properties.
- Melting of chips (A): The dried polymer chips are heated and melted in an extruder until they form a uniform, viscous liquid.
- Extrusion of melt (C): The molten polymer is pumped through a spinneret, which contains many fine holes, forming fine filaments.
- Quenching (B): The extruded filaments are rapidly cooled and solidified, usually by a flow of cold air (air quenching).
- Winding on the bobbin (E): The solidified filaments are drawn (stretched) to impart strength and uniformity, and then wound onto bobbins for further processing or use.
Correct Sequence Determination
Based on the process description, the correct order of the given steps is:
D (drying of chips) -> A (melting of chips) -> C (extrusion of melt) -> B (quenching) -> E (winding on the bobbin).
Therefore, the correct sequence is D, A, C, B, E.
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