Working Principle Quiz PDF: Questions and Answers - 175

MCQ 871: During feeding, the beams on which the rovings are wounded are rotated by

1. cylinders
2. grooved cylinder
3. polished cylinders
4. round cylinders

MCQ 872: Different rotation speed of longitudinal rollers ensures regular and complete unwinding of reel having

1. different diameter
2. same diameter
3. different rotation speed
4. same rotation speed

MCQ 873: Technique in which material is exposed to vapors of heavy water is applied to

1. viscose rayon
2. viscose
3. forms of cellulose
4. both a and c

MCQ 874: During squeezing, if the water is hot then the quantity of water evaporated is

1. less
2. more
3. same
4. varies according to the material

MCQ 875: Rovings count in spinning twisting machine are

1. 0.1-0.5 ktex
2. 0.5-5 ktex
3. 5-6 ktex
4. 6-8 ktex