Basic Viva For Textile Engineers (Fabric Related) Part-2

 

31. Weft way elongated twill runs …

Ans: Bellow 45 degree angle.

32. Twill line of coarser & soft twisted yarn…

Ans: More prominent.

33. Twill line of fine & hard twisted yarn is…

Ans: Less prominent.

34. Twill line of folded yarn is…

Ans: More prominent.

35. Twill line of single yarn is…

Ans: Less prominent.

36. Define the warp satin.

Ans: If the prominence of warp floating are seen on the fabric surface.

37. Define the weft satin.

Ans: If the prominence of weft floating are seen on the fabric surface.

38. Show the types of fancy fabric.

Ans: Mock leno, Hucka back, Honey comb, Crepe weave, Bed cord, Pique.

39. What is Albert cloth?

Ans: A reversible cloth or self stitched double cloth overcoating, woven with a different design on each side in stripe or check.

40. What is alpaca fabric?

Ans: A fabric made from alpaca fabric.

41. What is Amazon cloth?

Ans: A light weight dress fabric with a full, soft handle made from worsted yarns as warp & soft spun worsted or woolen yarn as weft.

42. What is angora fabric?

Ans: A fabric woven from angora yarn.

43. What is Back beam?

Ans: A beam from which the warp is fed during sizing.

44. What is Back rest?

Ans: The roller at the back of a loom over which the warp threads from the beam pass.

45. Define the back felling?

Ans: The application of a feeling material to the back of a fabric.

46. What is balanced weave?

Ans: A weave in which the float of is the same in the warp & weft direction.

47. What is tension bar?

Ans: A bar composed of a weft yarn that has been stretched more or less than normal weft point during weaving.

48. What is Embossed velvet?

Ans: Design is normally heat pressed or chemically press to flatten some of the pile

49. What is cloth?

Ans: Cloth or fabric is a flexible artificial material made up of a network of natural or artificial fibres (thread or yarn) formed by weaving or knitting (textiles, or pressed into felt.)

50. What are the basic structure of weft knitted fabric ?

Ans:

plain or single jersey .

rib structure .

1*1 purl structure .

1*1 interlock structure .

51. Which elements are fabric raw material ?

Ans: Yarn, fiber, filament, solution .

52. What is cam ?

Ans: Cam is a mechanical device which transfer the rotory or circular motion of a m/c parts or shaft to the linear motion .

53. What are the types of cam ?

Ans: a) engineering cam -> circular cam

b) Knitting cam -> angular cam

Angular cam: i)knit cam ii)tuck cam iii) miss cam

54. How many needle is used single jersey ?

Ans: 1 set needle is used

55. How many needle is used double jersey ?

Ans: 2 set needle is used

56. Define weft ?

Ans: Yarn inlaid in a knitted structure in parallel to a course is called weft .

57. What is Fillar ?

Ans: Yarn inlaid in a knitted structure in parallel to a wale is called fillar .

58. What is Curling ?

Ans: The bending tendency of single jersey fabric .

59. What is Rib ?

Ans: Fabric produce 2 set of needle alternately to produce course of face loop & wales of back loop is called rib ?

60. Define Interlock ?

Ans: Fabric produce by knitting 2 set of needle face two face thus hiding all back loops is called Interlock.