Discussion
Consider the following statements about singeing.
1. Fabric speed must be high enough to avoid damaging the ground cloth.
2. The fabric is quenched immediately after the flame.
3. Singeing removes the size from the warp yarns.
Answer: D
Correct answer: 1 and 2 only
Statements 1 and 2 are correct: the speed must be high enough that only the projecting ends are consumed, and the cloth is quenched immediately afterwards. Statement 3 confuses two operations - singeing removes surface fibre, and desizing removes the size from the warp. They are usually done on the same range, one after the other, which is why they are easily conflated.
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