Choose the correct answer from the options given below:
Arrange the machines of a ring spinning line in the sequence.
A. Ring Frame
B. Carding
C. Speed frame
D. Draw frame
Choose the correct answer from the options given below:
Arrange the machines of a ring spinning line in the sequence.
A. Ring Frame
B. Carding
C. Speed frame
D. Draw frame
Show Hint
- A, B, C, D
- A, C, B, D
- B, D, C, A
- C, B, D, A"
The Correct Option is C
Solution and Explanation
Step 1: Understand the goal of a ring spinning line. The goal is to convert a mass of staple fibers (like cotton) into a fine, strong yarn. This is done through a sequence of machines, each performing a specific function.
Step 2: Analyze the function and position of each machine.
- B. Carding: This is one of the first major processes after opening and cleaning. The carding machine disentangles the fibers and forms them into a "sliver," a thick, untwisted rope of parallel fibers.
- D. Draw frame: The sliver from the card is fed to the draw frame. The primary function of the draw frame is to improve the evenness of the sliver by doubling (combining several slivers) and to further straighten and parallelize the fibers by drafting. This process is usually repeated (two passages of drawing).
- C. Speed frame (or Roving Frame/Simplex): The sliver from the draw frame is too thick to be spun directly into fine yarn. The speed frame drafts this sliver into a much thinner strand called "roving," and adds a small amount of protective twist. The roving is then wound onto bobbins.
- A. Ring Frame: This is the final machine. The roving from the speed frame is fed into the ring frame, where it is drafted to its final count, high twist is inserted to give it strength, and the finished yarn is wound onto a bobbin or cop.
Step 3: Assemble the correct sequence. The logical process flow is: Carding \(\rightarrow\) Draw frame \(\rightarrow\) Speed frame \(\rightarrow\) Ring Frame. This corresponds to the sequence B, D, C, A.
Top Questions on Yarn Spinning Process
Match the LIST-I with LIST-II.\[\begin{array}{|l|l|} \hline \textbf{LIST-I} & \textbf{LIST-II} \\ \textbf{Machine part} & \textbf{Function} \\ \hline \hline \text{A. Taker-in} & \text{I. Individualisation of fibres} \\ \hline \text{B. Cylinder} & \text{II. Takes the fibers from} \\ \hline \text{cylinder surface} \\ \hline \text{C. Flats} & \text{III. Pluck the flocks from feed} \\ \hline \text{roller} \\ \hline \text{D. Doffer} & \text{IV. Elimination of neps} \\ \hline \end{array}\]
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