MCQOPTIONS
Saved Bookmarks
This section includes 71 Mcqs, each offering curated multiple-choice questions to sharpen your Textile Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Yarn wound on bobbin during upward and downward travel of ring rail is called as |
| A. | run out |
| B. | run in |
| C. | bobbin run |
| D. | running length |
| Answer» B. run in | |
| 2. |
Length of bobbin cone is calculated to be |
| A. | 32 mm |
| B. | 40 mm |
| C. | 54 mm |
| D. | 60 mm |
| Answer» E. | |
| 3. |
For obtaining bobbin of a given diameter, increment value and run out should be |
| A. | same |
| B. | adjustable |
| C. | directly proportional |
| D. | inversely proportional |
| Answer» D. inversely proportional | |
| 4. |
Second step in post combing stage is carried out in |
| A. | drawframe |
| B. | recombing finisher drawframe |
| C. | can emptier drawframe |
| D. | None of the above |
| Answer» C. can emptier drawframe | |
| 5. |
When bobbin is being wound, are left uncovered is |
| A. | top |
| B. | base |
| C. | build up |
| D. | kernel |
| Answer» E. | |
| 6. |
Quantity of noils generated in recombing process is |
| A. | big |
| B. | small |
| C. | moderate |
| D. | negligible |
| Answer» C. moderate | |
| 7. |
Steps in blending and recombing are |
| A. | blending and recombing |
| B. | preparation to recombing and recombing |
| C. | post recombing |
| D. | all of above |
| Answer» E. | |
| 8. |
Blending process is carried out for |
| A. | homogenizing grey wool of different origin |
| B. | harmonize color shades |
| C. | to get m?lange colors |
| D. | all of above |
| Answer» E. | |
| 9. |
Main layer of bobbin is wound during upward movement of |
| A. | rail |
| B. | ring |
| C. | ring rail |
| D. | bobbin |
| Answer» D. bobbin | |
| 10. |
To distribute yarn on bobbin, rail travels |
| A. | straight |
| B. | on cross axis |
| C. | vertically |
| D. | perpendicularly |
| Answer» C. vertically | |
| 11. |
Continuous motion of yarn's winding point on bobbin affected by ring rail results in |
| A. | bobbin kernel |
| B. | bobbin build up |
| C. | bobbin curls |
| D. | bobbin structure |
| Answer» E. | |
| 12. |
Ring diameter is calculated to be |
| A. | 51-55 mm |
| B. | 53-55 mm |
| C. | 23-29 mm |
| D. | 31-39 mm |
| Answer» B. 53-55 mm | |
| 13. |
Material is fed into blow room via |
| A. | entry hopper |
| B. | feeding hopper |
| C. | blow room hopper |
| D. | hopper |
| Answer» B. feeding hopper | |
| 14. |
A full bobbin consists of |
| A. | Kernel |
| B. | yarn package/build up |
| C. | cone shaped upper end |
| D. | all of above |
| Answer» E. | |
| 15. |
Bobbin tying thread is calculated to be |
| A. | 0.5 m |
| B. | 1.0 m |
| C. | 2.0 m |
| D. | 3.1 m |
| Answer» B. 1.0 m | |
| 16. |
Space left on both sides of bobbin after wounding yarn is approximately |
| A. | 10 mm to 13 mm |
| B. | 13 mm to 16 mm |
| C. | 16 mm to 18 mm |
| D. | 20 mm to 23 mm |
| Answer» B. 13 mm to 16 mm | |
| 17. |
Increment value determines forming diameter with respect to two different parameters which are |
| A. | run out and yarn count |
| B. | run out and yarn size |
| C. | run out and yarn coils |
| D. | run out and yarn density |
| Answer» B. run out and yarn size | |
| 18. |
Post recombing stage consists of |
| A. | 5 steps |
| B. | 3 steps |
| C. | 2 steps |
| D. | 1 step |
| Answer» D. 1 step | |
| 19. |
Travel of rail is enough when as compared to ring diameter, it is |
| A. | 12 to 18% larger |
| B. | 12 to 18% smaller |
| C. | 10 to 20% larger |
| D. | 10 to 20% smaller |
| Answer» B. 12 to 18% smaller | |
| 20. |
Blending and recombing is a |
| A. | cheap process |
| B. | expensive process |
| C. | long process |
| D. | short process |
| Answer» C. long process | |
| 21. |
In blow room, drum is covered with |
| A. | blunt steel spikes |
| B. | metal spikes |
| C. | sharp spikes |
| D. | long spikes |
| Answer» B. metal spikes | |
| 22. |
Run out length is calculated to be |
| A. | 1.11 mm |
| B. | 4.14 mm |
| C. | 3.21 mm |
| D. | 5.18 mm |
| Answer» C. 3.21 mm | |
| 23. |
Space between two successive upward travels of rail rings is called as |
| A. | decrement value |
| B. | increment value |
| C. | zero value |
| D. | null value |
| Answer» C. zero value | |
| 24. |
Blending apron form an angle slightly greater than |
| A. | 70 degree |
| B. | 90 degree |
| C. | 120 degree |
| D. | 150 degree |
| Answer» C. 120 degree | |
| 25. |
For successive unwinding of fine yarn, length of run out is |
| A. | variable |
| B. | constant |
| C. | greater |
| D. | smaller |
| Answer» D. smaller | |
| 26. |
For obtaining bobbin of a given diameter, increment value and yarn count should be |
| A. | directly proportional |
| B. | inversely proportional |
| C. | same |
| D. | adjustable |
| Answer» C. same | |
| 27. |
For successive unwinding, length of run out ranges from |
| A. | 3 to 5 m |
| B. | 5 to 6 m |
| C. | 10 to 11 m |
| D. | 13 to 17 m |
| Answer» B. 5 to 6 m | |
| 28. |
While bobbin is being wounded, various yarns are |
| A. | broken |
| B. | deformed |
| C. | overlapped |
| D. | rubbed |
| Answer» D. rubbed | |
| 29. |
Composition of batch in blending process is determined inside |
| A. | composition rooms |
| B. | blending rooms |
| C. | batch rooms |
| D. | control rooms |
| Answer» C. batch rooms | |
| 30. |
Plucking of material in blending is done using |
| A. | fix blending apron |
| B. | mobile blending apron |
| C. | both a and b |
| D. | apron |
| Answer» D. apron | |
| 31. |
Rotation of cylinder in blow room ensures |
| A. | material opening |
| B. | dedusting |
| C. | cleaning |
| D. | all of above |
| Answer» E. | |
| 32. |
Machine used in blending process is called as |
| A. | blender |
| B. | separator |
| C. | twister |
| D. | rotatory bowl |
| Answer» B. separator | |
| 33. |
Blending and recombing comprises of |
| A. | 4 stages |
| B. | 5 stages |
| C. | 3 stages |
| D. | 7 stages |
| Answer» B. 5 stages | |
| 34. |
Material from blending room is picked via |
| A. | carriages or pickers |
| B. | carriages |
| C. | carriages or picker cylinder |
| D. | picker cylinder |
| Answer» D. picker cylinder | |
| 35. |
Distant coils making a cross layer occurs by quick downward movement of |
| A. | rail |
| B. | ring |
| C. | bobbin |
| D. | base tying layer |
| Answer» B. ring | |
| 36. |
Drawing step of recombing process is carried out inside |
| A. | drawframe |
| B. | draw can |
| C. | intersecting drawframe |
| D. | sliver can |
| Answer» D. sliver can | |
| 37. |
Blending rooms are filled in a |
| A. | vertical manner |
| B. | horizontal manner |
| C. | random manner |
| D. | diagonal manner |
| Answer» C. random manner | |
| 38. |
Material is picked from blending rooms in a |
| A. | diagonal manner |
| B. | random manner |
| C. | horizontal manner |
| D. | vertical manner |
| Answer» E. | |
| 39. |
Winding ratio is calculated to be |
| A. | 0.00072338 |
| B. | 0.043055556 |
| C. | 0.04375 |
| D. | 0.000746528 |
| Answer» B. 0.043055556 | |
| 40. |
Windings wound when ring rail on bobbin lowers |
| A. | 1.18 m |
| B. | 2.28 m |
| C. | 3.38 m |
| D. | 4.48 m |
| Answer» B. 2.28 m | |
| 41. |
Shape of bobbin is |
| A. | round |
| B. | spherical |
| C. | conical |
| D. | oval |
| Answer» D. oval | |
| 42. |
Bobbin is wound in a way that it starts from |
| A. | top |
| B. | base |
| C. | center |
| D. | anywhere required |
| Answer» C. center | |
| 43. |
Ratio between number of coils wounded during upward travel and downward travel of rail usually lie between |
| A. | 2:1 and 2.5:1 |
| B. | 3:1 and 3:2 |
| C. | 3.2:1 and 4:2 |
| D. | 4:5 and 5:1.3 |
| Answer» B. 3:1 and 3:2 | |
| 44. |
When ring rail raises, wounded windings is |
| A. | 0.7 m |
| B. | 2.95 m |
| C. | 3.0 m |
| D. | 3.75 m |
| Answer» C. 3.0 m | |
| 45. |
Unwinding bobbin at high speed and simultaneous unwinding of coils leads to |
| A. | fine yarns |
| B. | rough yarns |
| C. | yarn hairiness |
| D. | entanglements |
| Answer» E. | |
| 46. |
Cylindrical part at center of bobbin is called |
| A. | yarn package |
| B. | build up |
| C. | both a and b |
| D. | kernel |
| Answer» D. kernel | |
| 47. |
Conical shape of bobbing is produced from the |
| A. | center |
| B. | kernel to the tip of bobbin |
| C. | kernel to the bottom of bobbin |
| D. | base |
| Answer» C. kernel to the bottom of bobbin | |
| 48. |
First step in post combing stage is carried out in |
| A. | drawframe |
| B. | can emptier drawframe |
| C. | recombing finisher drawframe |
| D. | sliver table |
| Answer» C. recombing finisher drawframe | |
| 49. |
For successive unwinding of coarse yarn, length of run out is |
| A. | greater |
| B. | smaller |
| C. | constant |
| D. | variable |
| Answer» C. constant | |
| 50. |
Number of bales inside blending rooms is minimum |
| A. | 100 |
| B. | 200 |
| C. | 215 |
| D. | 250 |
| Answer» B. 200 | |