| 16. | Needles of fly roller inserts itself and raise fiber as small |
| a. | threads |
| b. | yarn |
| c. | lap |
| d. | slivers |
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Answer: (d).slivers
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| 17. | Needle is not able to retain fiber at an angle greater than |
| a. | 90 degrees |
| b. | 190 degrees |
| c. | 290 degrees |
| d. | 75 degrees |
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Answer: (a).90 degrees
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| 18. | Elimination of foreign particles by deburrer is not enough hence, for proper cleaning tool used is |
| a. | rollers |
| b. | cleaners |
| c. | beaters |
| d. | drum |
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Answer: (a).rollers
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| 19. | In last carding point of first and second drum, to avoid poor results, worker cylinder must be protected with |
| a. | clothing |
| b. | hood |
| c. | cover |
| d. | sheet |
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Answer: (b).hood
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| 20. | Speed of second comber roller of 2 carding units is calculated to be |
| a. | 70 m/min |
| b. | 69 m/min |
| c. | 50 m/min |
| d. | 90 m/min |
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Answer: (c).50 m/min
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