Q. In gravitational control system, rail upward motion is controlled by

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Q. In drafting unit, three cylinder fibre control device with double apron are used for

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Q. Stroke reversal points moves continuously

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Q. Dividers in ring spinning frame are fixed to

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Q. Surface of traveler must be very smooth in order to provide

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Q. Rotational speed of traveler is

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Q. Mass of traveler should be proportional to

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Q. In spinning triangle, material is

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Q. In drafting unit, four cylinder fibre control device with double apron are used for

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Q. Distance between ring and yarn guide may cause a

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Q. In a positive control system, both upward and downward motion of rail is

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Q. Mass of traveler establishes the

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Q. Travel of rail on which rings are attached is always

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Q. In order to achieve highest speed, traveler's shape must correspond to shape of

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Q. Spinning machines using greater number of spindles must incorporate

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Q. Dividers in ring spinning frame follow travel of

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Q. Difference between peripheral speed of bobbin and traveler is equal to peripheral speed of

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Q. Due to few fibers in fibre mass entering draft range, friction is

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Q. Too much variation of yarn tension leads to

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Q. Distribution of yarn on tube takes place by means of

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