| 6. | Ratio of fly roller and that of drum must be accurately |
| a. | calculated |
| b. | adjusted |
| c. | decreased |
| d. | increased |
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Answer: (b).adjusted
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| 7. | Some released impurities are knocked off under card with |
| a. | ventilation |
| b. | centrifugal force |
| c. | centripetal force |
| d. | ventilation and centrifugal force |
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Answer: (d).ventilation and centrifugal force
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| 8. | Web is removed from comber roller when doffer comb slightly |
| a. | touch it |
| b. | jerk it off |
| c. | twist it |
| d. | break it |
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Answer: (a).touch it
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| 9. | Rotating speed in deburring unit is as such that there is a tab per every |
| a. | 2 mm of revolution |
| b. | 3 mm of revolution |
| c. | 6 mm of revolution |
| d. | 8 mm of revolution |
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Answer: (a).2 mm of revolution
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| 10. | At second drum, due to speed difference, carded fibers gather and form |
| a. | yarn |
| b. | twists |
| c. | web |
| d. | lap |
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Answer: (c).web
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