| 46. | Anti rolling effect allows good relaxation of fibers, making it easier for teeth to |
| a. | pick the material |
| b. | release the material |
| c. | detach the material |
| d. | rotate the material |
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Answer: (b).release the material
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| 47. | First two pairs of intersecting rotating head drawframe have |
| a. | large diameters |
| b. | identical diameters |
| c. | large and identical diameters |
| d. | small and identical diameters |
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Answer: (c).large and identical diameters
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| 48. | When drawframes are equipped with herrison's cylinder, barrel cylinder and elastic nip, control of fibers is |
| a. | delicate |
| b. | delicate but powerful |
| c. | weak |
| d. | constant |
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Answer: (b).delicate but powerful
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| 49. | Number of clothings available for Herrison's cylinder is |
| a. | 4 |
| b. | 3 |
| c. | 2 |
| d. | 1 |
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Answer: (c).2
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| 50. | When material passes through feeler to drawing, mechanical memory rotates by |
| a. | two-fourths of a turn |
| b. | three-fourths of a turn |
| c. | 4 times of a turn |
| d. | 2 times of a turn |
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Answer: (b).three-fourths of a turn
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