300+ [UPDATED] DAE Knitting Engineers Interview Questions Answers

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  • 1. Explain Shedding?

    Shedding is the act of dividing the warp threads according to design into two parts, to allow the passage of shuttle/weft inserting element from one side of the loom to the other.

  • 2. List Down/what Are The Types Of Shedding Mechanism?

    • Paddle/treadle shedding (used in hand loom)
    • Tappet shedding (used in power loom)
    • Dobby shedding (used in power loom, at past used in hand loom)
    • Jacquard shedding (both hand & power loom are used now)
    • Combined shedding

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  • 3. Write Down The Faults Of Picking?

    • Early picking 
    • Late picking 
    • Smash or Bang-off
    • Short picking 
    • Harsh picking 
    • Shuttle flying out

  • 4. List Some Abbreviations?

    PPM = picks per minute

    PPI = picks per inch

    EPI = Ends per inch

    RS = Reed space

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  • 5. List Down The Types Of Needle?

    • Latch needle
    • Bearded needle
    • Compound needle

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  • 6. List Down The Weft Knitting Elements?

    • Needle
    • Sinker
    • Cam

  • 7. List The Basic Knitted Structure?

    • single jersey or plain
    • 1×1 rib
    • 1×1 inter lock
    • 1×1 purl

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  • 8. Explain Back Loop?

    The loop where heads are above and hanks are below is called back loop.

  • 9. Explain Face Loop?

    The loop where heads are below and hanks are above is called face loop.

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  • 10. Explain Warp & Weft Crimp?

    The waviness of the yarns due to interlacing of warp and weft in producing fabric is called crimp.

  • 11. Explain Weave?

    Interlacement of the ends and picks with each other produces a coherent structure. The repeating pattern of interlacing is called the weave.

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  • 12. List Down/classify The Types Of Sett?

    • Warp sett (No. of warp/inch)
    • Weft sett (no. of weft/inch)

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  • 13. Explain Basic Weave Structures?

    1. Plain
    2. Twill
    3. Satin

  • 14. Explain Let-off Mechanism?

    To unwind the equivalent length of warp sheet from the warp beams with the progress of take-up during weaving.

  • 15. Explain Pick Spacing?

    The space occupied by a pick in fabric.

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  • 16. Explain Function Of Take-up Mechanism?

    To wind the already woven fabric on the cloth roller with the progress of weaving.

  • 17. Explain Object Of Beat-up Mechanism?

    To push the newly inserted weft yarn (last pick) to the fell of the cloth.

  • 18. Actual Production Of A M/c Is Always Less Than That Calculated Production?

    True

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  • 19. Explain Picking?

    To propel the shuttle or any other weft inserting elements.

  • 20. List The Types Of Power Loom?

    • Modern/shuttle less loom
    • Conventional/shuttle loom

  • 21. List The Types Of Loom?

    • Hand loom
    • Power loom

  • 22. Explain Sizing?

    Sizing is the process of giving a protective coating on the warp yarn to minimize yarn breakage during weaving.

  • 23. What Materials Form The Base Of The Size?

    Starch or gum

  • 24. Which Are Maximum Numbers Of Warp Threads Controlling Capacity In Jacquard Loom?

    1800

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  • 25. Which Types Of Design Can Be Produced By Jacquard Looms?

    Any design

  • 26. Dobby Shedding Mechanism Can Produce Both Square And Rectangular Size Design?

    Yes

  • 27. What Are Maximum Numbers Of Held Frame Controlling Capacity In Tapped Shedding Mechanism?

    14

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  • 28. One Picking Tapped Insert One Pick?

    True

  • 29. Explain Result Of Unequal Shedding?

    Wrong design & stitching

  • 30. One Shedding + One Picking + One Beating =?

    One weaving cycle/ loom cycle/picks cycle

  • 31. Where The Semi-open Shed Is Used?

    Doublelift dobby & Jacquard.

  • 32. Where Bottom & Center Close Shed Are Used?

    Hand jacquard looms to produce delicate fabrics.

  • 33. Explain Tertiary Motion?

    The tertiary motion are as follows:

    • Warp stop motion
    • Weft stop motion
    • Warp protector
    • Weft protector

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  • 34. Explain Secondary Motion?

    The secondary motion are as follows:

    • Let off
    • Take-up

  • 35. Explain Primary Motion?

    Answer :

    The primary motion are as follows-

    • Shedding
    • Picking
    • Beating

  • 36. Explain Fabric?

    Interlacement of two or more thread of yarn.

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  • 37. Where The Open Shed Is Used?

    Tapped loom

  • 38. Can We Produce Basic Weave Structures (i.e Plain, Twills Satin) In Tapped Shedding?

    Yes

  • 39. Normally Tapped Shedding Mechanism Produces Square Design (e.g. 4×4, 6×6, 7×7, Etc.) Yes Or No?

    Yes

  • 40. List Down/ What Are The Different Types Of Shed?

    • Bottom close shed
    • Center close shed
    • Semi-open shed
    • Open shed

  • 41. List Down The Loom Driving System?

    • Hand driving (hand loom) & 
    • Electric motor driving (power loom)

  • 42. What Is Other Name Of Warp Yarn?

    Ends

  • 43. Is Weaving Fabric Produce By Interlacing?

    Yes

  • 44. Tell Me In Which Knittin
    g, A Fabric Is Produce By Single Yarn?

    Weft knitting

  • 45. Is Knitting Fabric Produce By Inter Looping?

    Yes

  • 46. Tell Me How Many Sets Of Yarn Are Used In Weaving?

    Two sets (warp and weft).

  • 47. Is Yarn Preparation Is Needed In Knitting?

    No.

  • 48. List Down The Types/ Classification Of Knitting?

    Two types:

    1. Warp knitting 
    2. Weft knitting.

  • 49. Is Sizing Required In Knitted Fabric?

    No

  • 50. Tell Me How Many Sets Of Yarn Are Used In Knitting?

    One set (warp or weft).

  • 51. Explain Knitting?

    It is the process of producing fabric by transferring continuous yarns into interlocking loops, each row of loop hanging from the one immediately preceding it.

  • 52. Explain Weaving?

    The process of interlacing two sets of yarns namely warp and weft, at right angle to make a fabric, according to design.