Here are the Freee Objective Questions On Ms Excel
multiple choice questionsFull description
Spinning OBJECTIVE QUESTIONS 1. Roller and clearer card is used for carding of i.
Cotton
ii.
Cotton waste
iii.
Wool fibres
iv.
Man-made fibres
2 .Longer and finer fibres require a card cylinder having i.
Higher wire point density
ii.
Lower wire point density
iii.
Higher speed
iv.
lower speed
3. On the scutcher, the ratio of fan speed to beater speed required for synthetic fibres, as compared to cotton fibres, is i.
Higher
ii.
Lower
iii.
Equal
iv.
None of these
4. On a good ring frame, the spinning tensions for cotton yarn would be around 1.
1.0 g/tex
Ii.0.1 g/tex Iii.0.001 g/tex iv.0.11 g/den 5. Balloon control rings are more effective i.
At the end of the doff
ii.
At the middle of the doff
iii.
At the beginning of the doff
iv.
Throughout the doff
6. If the difference between the number of thick and thin places is very high, the machine to be checked first would be i.
Draw frame
ii.
Speed frame
iii.
Ring frame
iv.
Card
7. The waste removed in blow room while processing man-made fibres should be around i.
0.1%
ii.
1%
iii.
2%
iv.
3%
8. The traveler weight employed for polyester blend, compared to that employed for cotton is i.
Less
ii.
More
iii.
The same
iv.
None of these
9. The most preferred bleater for processing man-made fibres is i.
Shirley opener
ii.
ii. Kirschner beater
iii.
iii. Creighton
iv.
iv. Three bladed beaters
10. The reduction in nep level at the card comes through a. Crushing of neps between calendar rollers b. Removal of neps in the licker-in droppings c. Removal of neps in Flat strips d. Disentanglement of neps 10. As a guide line, the optimum level of comber waste should be a. equal to short fibre % b. twice the short fibre % c. 1.3 times the short fibre % d. 0.5 times the short fibre % 11.In the cotton system, the bobbin rail speed (cm/min), as the roving bobbin builds up, should a. increases b. decreases c. remains constant d. same level 12. Murata Jet Spinner has been commercially highly successful for yarns form a. Cotton b. Polyester and its blends c. Viscose cotton blends d. Wool 13. The ____leading________ hooks are preferentially removed in roller drafting.
14. The % cleaning efficiency of a cotton blow room line lies between (A) 40 & 50 (B) 50 & 60 (C) 60 & 75 (D) 80 & 95 15. The production rate of a card processing finer fibres is comparatively (A) Less (B) More (C) Same (D) Depends on fibre strength only 16. Compared to the lap, the nep level in the card silver should be (A) Less (B) More (C) Same (D) Zero 17. The weight in grams of one meter of cotton silver normally lies between (A) 0.5 – 1.0 (B) 1.0 – 2.0 (C) 2.5 – 4.0 (D) 6.5 – 10.0 18. The level of card waste is comparatively higher in (A) Conventional flexible fillet card (B) Semi-high production card (C) High production card (D) Modern super high production card 19. The feed to the comber should have majority of the hooks in feed forward and feed backward direction. 20. The maximum rotor speed of a modern rotor frame is ___1,60000_______ rpm. 21. The main purpose of mixing a large number of bales is to a. produce a stronger yarn b. get consistent yarn quality c. reduce waste d. improve cleaning efficiency 22. In the spinning of cotton waste, one uses a. Tandem card
b. condenser card
c. spiral card
d. flat cord
23. The angle of licker-in wire for cording polyester should be around a.70
o
b.80
o
c.90
o
d.99
o
24. The weight of five meters of finished sliver would normally lie between a. 2.5g and 5g b. 15g and 20g c. 100g and150g d. 200 and 300g 25. Drawframe blending is normally preferred for blend of a. polyester and viscose b. polyester and cotton c .polyester and acrylic d. acrylic and viscose 26. In ring spinning, the traveler rpm is a. equal to spindle rpm b. higher than spindle rpm c. lower than spindle rpm d. constant 27. Murata Jet Spinner (MJS) has been commercially successful for spinning a. Cotton-jute blend b. Polyester and its blends c. Viscose-cotton blend d. Wool 28.Strongest 30 tex cotton yarn would be produced by a. Rotor spinning b. Air-jet spinning c. Friction spinning d. self twist spinning 29. For trouble free spinning, the ratio of fibre length in cm to its denier should be a. 4.0 b.>4.0 c.2.5 d.1.0
30. The ring traveler life is maximum for
a. Viscose rayon fibres b. Cotton fibres c. Polyester fibres d. Acrylic staple fibres
