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MCQs

Total Questions : 126 | Page 6 of 13 pages
Question 51. In a card, the wire point density is maximum on
  1.    Cylinder
  2.    Flat
  3.    Doffer
  4.    Licker-in
 Discuss Question
Answer: Option A. -> Cylinder


-NA-


Question 52. The increase in traveller weight leads to an increase in
  1.    Yarn twist
  2.    Traveller lag
  3.    Balloon diameter
  4.    Yarn tension
 Discuss Question
Answer: Option D. -> Yarn tension


-NA-


Question 53. Dog knot is preferred to weaver's knot during creeling because it is
  1.    Easier to make
  2.    Stronger
  3.    Smaller in size
  4.    Less prone to slippage
 Discuss Question
Answer: Option A. -> Easier to make


-NA-


Question 54. The factor that does not influence the propelling force for moving the weft yarn on air jet loom is
  1.    Coefficient of friction between air and yarn
  2.    Air velocity
  3.    Yarn strength
  4.    Yarn diameter
 Discuss Question
Answer: Option C. -> Yarn strength


-NA-


Question 55. Ball warping is mainly used in the manufacture of
  1.    Terry towel
  2.    Narrow fabric
  3.    Denim
  4.    3D fabric
 Discuss Question
Answer: Option C. -> Denim


-NA-


Question 56. Size add-on does not depend on
  1.    Roller hardness
  2.    Drying cylinder temperature
  3.    Size paste concentration
  4.    Machine speed
 Discuss Question
Answer: Option B. -> Drying cylinder temperature


-NA-


Question 57. In the context of thermal bonding of nonwoven web, the statement which is not true is
  1.    A thermoplastic component has to be present in the web
  2.    Heat is applied until the thermoplastic component melts
  3.    The polymer flows by surface tension and capillary action to fibre cross over points
  4.    Chemical reaction takes place
 Discuss Question
Answer: Option D. -> Chemical reaction takes place


-NA-


Question 58. A 51 mm long fibre has 6 % crimp. The crimped length of the fibre in mm is approximately
  1.    44
  2.    46
  3.    48
  4.    50
 Discuss Question
Answer: Option C. -> 48


-NA-


Question 59. On a mass based evenness tester, thin place in a yarn at −40 % setting is counted if mass per unit
length is
  1.    40 % of the mean mass per unit length
  2.    60 % of the mean mass per unit length
  3.    40 % of the mean mass per unit length or less
  4.    60 % of the mean mass per unit length or less
 Discuss Question
Answer: Option D. -> 60 % of the mean mass per unit length or less


-NA-


Question 60. Bursting strength of a woven fabric with the same warp and weft yarns is the highest when the ratio
of ends/cm and picks/cm is
  1.    1.1
  2.    1.0
  3.    0.9
  4.    0.8
 Discuss Question
Answer: Option B. -> 1.0


-NA-


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