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MCQs

Total Questions : 66 | Page 6 of 7 pages
Question 51. Fourth and fifth vats in scouring process is uses for
  1.    rinsing the clean wool
  2.    scouring the wool
  3.    eliminating earth particles
  4.    all of above
 Discuss Question
Answer: Option A. -> rinsing the clean wool
Answer: (a).rinsing the clean wool
Question 52. Settling trughs have capacity which is
  1.    different from scouring vat
  2.    same as scouring vat
  3.    10% less than scouring vat
  4.    40% less than scouring vat
 Discuss Question
Answer: Option B. -> same as scouring vat
Answer: (b).same as scouring vat
Question 53. First vat in scouring process is uses for
  1.    eliminating earth particles
  2.    scouring the wool
  3.    rinsing the clean wool
  4.    all of above
 Discuss Question
Answer: Option A. -> eliminating earth particles
Answer: (a).eliminating earth particles
Question 54. Efficiency of surface agent and sodium carbonate can be determined by checking
  1.    foam
  2.    dispersion of particles
  3.    stability of the emulsion
  4.    required absorption
 Discuss Question
Answer: Option A. -> foam
Answer: (a).foam
Question 55. In pre scouring stage quantity of surfactants and alkali as compared to other vats is
  1.    more
  2.    less
  3.    same
  4.    varies accordingly
 Discuss Question
Answer: Option B. -> less
Answer: (b).less
Question 56. In past, greasy wool was scoured with
  1.    machine
  2.    hands
  3.    rotating cylinder
  4.    vats
 Discuss Question
Answer: Option B. -> hands
Answer: (b).hands
Question 57. In pre scouring stage, efficiency depends on
  1.    liquor state
  2.    liquor temperature
  3.    liquor density
  4.    liquor impurity
 Discuss Question
Answer: Option B. -> liquor temperature
Answer: (b).liquor temperature
Question 58. Correct quantity of surfactant to be used in scouring process is determined by
  1.    required absorption
  2.    stability of the emulsion
  3.    dispersion of particles
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 59. Dirt can be removed with help of
  1.    correct stirring
  2.    agitation of liquor
  3.    suitable speed of the press rollers
  4.    all of above
 Discuss Question
Answer: Option D. -> all of above
Answer: (d).all of above
Question 60. In pre scouring stage, liquor temperature is
  1.    approx. 25 degrees
  2.    approx. 28 degrees
  3.    approx. 35 degrees
  4.    approx. 42 degrees
 Discuss Question
Answer: Option C. -> approx. 35 degrees
Answer: (c).approx. 35 degrees

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