MCQOPTIONS
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MCQOPTIONS
This section includes 169 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. |
Combs of intersecting drawing frames can be driven by a |
| A. | belt |
| B. | rotating roller |
| C. | rotating flanges |
| D. | both a and c |
| Answer» E. | |
| 2. |
In doubling, two or more ends are united before |
| A. | spinning |
| B. | twisting |
| C. | drawing |
| D. | singeing |
| Answer» C. drawing | |
| 3. |
Controllers in fiber control device include plates arranged at an equal distance maintained by |
| A. | rings |
| B. | spacer rings |
| C. | distance rings |
| D. | gap rings |
| Answer» C. distance rings | |
| 4. |
Intersecting drawing frames used are mostly |
| A. | triple head type |
| B. | double head type |
| C. | single head type |
| D. | four headed |
| Answer» D. four headed | |
| 5. |
In lap drawing frame, a condensing funnel consists of |
| A. | sliver |
| B. | traces of sliver |
| C. | edges of sliver |
| D. | lengths of sliver |
| Answer» D. lengths of sliver | |
| 6. |
Rubber sleeve must be |
| A. | thick |
| B. | elastic |
| C. | thin |
| D. | long |
| Answer» C. thin | |
| 7. |
Chain's length with needles is |
| A. | 200 mm |
| B. | 185 mm |
| C. | 130 mm |
| D. | 100 mm |
| Answer» B. 185 mm | |
| 8. |
A lap drawing frame comprises of |
| A. | conveyor belt and double belt |
| B. | condensing funnel and a drawing aggregate |
| C. | automatic collecting can |
| D. | all of above |
| Answer» E. | |
| 9. |
Drawframes having rotating flanges drafting head features |
| A. | downward motion |
| B. | upward motion |
| C. | uniform rotation |
| D. | haphazard rotation |
| Answer» D. haphazard rotation | |
| 10. |
Number of screws in feedrack are |
| A. | 12 |
| B. | 16 |
| C. | 21 |
| D. | 28 |
| Answer» B. 16 | |
| 11. |
Maximum speed of combs of screw type draw frames is |
| A. | 25 m/min |
| B. | 65 m/min |
| C. | 15 m/min |
| D. | 18 m/min |
| Answer» E. | |
| 12. |
Pitch of return screw is high so that it may carry a backstroke more |
| A. | slowly |
| B. | quickly |
| C. | easily |
| D. | timely |
| Answer» C. easily | |
| 13. |
Value of total machine draft on drawframe can vary from |
| A. | 3 to 6 times |
| B. | 6 to 9 times |
| C. | 9 to 12 times |
| D. | 12 to 15 times |
| Answer» C. 9 to 12 times | |
| 14. |
Traditional screw type drawframes provides low production output due to |
| A. | feeding ratio |
| B. | lower fiber feeding ratio |
| C. | low fiber control |
| D. | low cleanliness |
| Answer» C. low fiber control | |
| 15. |
Packages produced out of doubling can be |
| A. | cylindrical |
| B. | conical |
| C. | round |
| D. | both a and b |
| Answer» E. | |
| 16. |
In combing process, fiber is stripped from |
| A. | foreign matter |
| B. | short fibers and long fibers |
| C. | foreign matter and short fibers |
| D. | foreign matter and long fibers |
| Answer» D. foreign matter and long fibers | |
| 17. |
A feeder in drawing aggregate of lap drawing frame presses |
| A. | 2 grooved roller |
| B. | 3 grooved rollers |
| C. | 4 grooved rollers |
| D. | 5 grooved rollers |
| Answer» B. 3 grooved rollers | |
| 18. |
A drawing unit in intersecting drawframes consists of |
| A. | needle range |
| B. | grooved feeding cylinder |
| C. | drawing cylinders |
| D. | all of above |
| Answer» E. | |
| 19. |
Drawframes having tabs of combs engaging in threads of big worm screws are called as |
| A. | screw type drafting head |
| B. | screw |
| C. | drafting head |
| D. | screwing |
| Answer» B. screw | |
| 20. |
In drawframes equipped with rotating flanges, motion of comb is for needles of |
| A. | lower range |
| B. | higher range |
| C. | both a and b |
| D. | central range |
| Answer» D. central range | |
| 21. |
Maximum throughput speed of chain with autoleveller is |
| A. | 500 m/min |
| B. | 450 m/min |
| C. | 498 m/min |
| D. | 400 m/min |
| Answer» C. 498 m/min | |
| 22. |
Tensioning devices are important for successful |
| A. | tensioning |
| B. | doubling |
| C. | twisting |
| D. | controlling |
| Answer» D. controlling | |
| 23. |
In electronic autoleveller, extreme intervention speed is calculated to be |
| A. | 0.002 sec |
| B. | 0.003 sec |
| C. | 0.02 sec |
| D. | 0.2 sec |
| Answer» B. 0.003 sec | |
| 24. |
In post carding lap drawing frame, fiber web leaving each single card is deviated at an angle of 90 degrees by |
| A. | angle deviator |
| B. | special guides |
| C. | guidelines |
| D. | rotator |
| Answer» C. guidelines | |
| 25. |
Drawback of using lap drawing frame is that speed of cards is needed to be |
| A. | slow down |
| B. | fast |
| C. | changeable |
| D. | variable |
| Answer» B. fast | |
| 26. |
Formula for speed calculation of comb is |
| A. | Number of combs passing through a point In one min/ Distance between two combs |
| B. | Number of combs passing through a point In one sec/ Distance between two combs |
| C. | Number of combs passing through a point In an hour/ Distance between two combs |
| D. | Number of combs passing through a point In 190 milliseconds/ Distance between two combs |
| Answer» B. Number of combs passing through a point In one sec/ Distance between two combs | |
| 27. |
Type of measurement device for measuring variations in sliver mass is composed of |
| A. | scanning cylinders |
| B. | speed variator |
| C. | digital processor |
| D. | all of above |
| Answer» E. | |
| 28. |
Right diameter in draft cylinders is important for |
| A. | less vibrations |
| B. | better control of fibers |
| C. | less energy consumption |
| D. | all of above |
| Answer» E. | |
| 29. |
Feedrack send slivers to feeding cylinders of |
| A. | drafting unit |
| B. | blending unit |
| C. | drawing unit |
| D. | folding unit |
| Answer» D. folding unit | |
| 30. |
Flow of sliver leaving unit is controlled to avoid |
| A. | true drawing |
| B. | false drawing |
| C. | true drafting |
| D. | false drafting |
| Answer» C. true drafting | |
| 31. |
Fibers stripped from impurities and short length fibers, straightened and parallelized are called as |
| A. | sliver |
| B. | combed sliver |
| C. | uncombed sliver |
| D. | sliver can |
| Answer» C. uncombed sliver | |
| 32. |
Uniform rotation in screw type drafting results in |
| A. | min. mechanical stress |
| B. | max. mechanical stress |
| C. | balanced mechanical stress |
| D. | unbalanced mechanical stress |
| Answer» B. max. mechanical stress | |
| 33. |
Rotating flanges length with needles is |
| A. | 100 mm |
| B. | 130 mm |
| C. | 200 mm |
| D. | 185 mm |
| Answer» C. 200 mm | |
| 34. |
In electronic autoleveller, even at very high drawframe feed rates, extreme intervention speed ensure |
| A. | perfect and consistent control |
| B. | proper blending |
| C. | time management |
| D. | perfect adjustment |
| Answer» E. | |
| 35. |
In chain drafting head, combs are driven by |
| A. | single chain |
| B. | two double chains |
| C. | three double chains |
| D. | four double chains |
| Answer» C. three double chains | |
| 36. |
In doubling, winding speed can exceed |
| A. | 100 m/min |
| B. | 1000 m/min |
| C. | 200 m/min |
| D. | 2000 m/min |
| Answer» C. 200 m/min | |
| 37. |
Every comb in screw type drafting head reaching end of stroke is raised if it belongs to the |
| A. | lower draft range |
| B. | upper draft range |
| C. | both a and b |
| D. | vertical draft range |
| Answer» C. both a and b | |
| 38. |
In lap drawing frame, conveyor belt is used with a |
| A. | rotating device |
| B. | bending device |
| C. | circulating device |
| D. | round device |
| Answer» C. circulating device | |
| 39. |
Maximum throughput speed of chain without autoleveller is |
| A. | 500 m/min |
| B. | 498 m/min |
| C. | 400 m/min |
| D. | 350 m/min |
| Answer» B. 498 m/min | |
| 40. |
Rotating cams in screw type drafting head, fixed at end, engage comb into threads of two |
| A. | overlapping screws |
| B. | forward screws |
| C. | return screws |
| D. | double screws |
| Answer» D. double screws | |
| 41. |
Chains in chain drafting head are |
| A. | extensible |
| B. | non adjustable |
| C. | non extensible |
| D. | adjustable |
| Answer» D. adjustable | |
| 42. |
Heads per machine of chain are |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 43. |
Profiled dogs on comb are provided with |
| A. | rods |
| B. | spikes |
| C. | bushes |
| D. | needles |
| Answer» D. needles | |
| 44. |
Drawframe used for collecting sliver collects it on |
| A. | 2 or 3 reels per head |
| B. | 1 or 2 reels per head |
| C. | 4 or 5 reels per head |
| D. | 7 or 8 reels per head |
| Answer» C. 4 or 5 reels per head | |
| 45. |
Number of rotating flanges in feedrack are |
| A. | 9 |
| B. | 8 |
| C. | 10 |
| D. | 12 |
| Answer» E. | |
| 46. |
An intersecting drawframes consists of |
| A. | feed rack |
| B. | drawing unit |
| C. | device collecting sliver |
| D. | all of above |
| Answer» E. | |
| 47. |
Maximum throughput speed of single reel exit of rotating flanges is |
| A. | 450 m/min |
| B. | 498 m/min |
| C. | 400 m/min |
| D. | 310 m/min |
| Answer» D. 310 m/min | |
| 48. |
A double set of intersecting combs is also called as |
| A. | needle range |
| B. | grooved feeding cylinder |
| C. | comber |
| D. | comb roller |
| Answer» B. grooved feeding cylinder | |
| 49. |
Process where slivers are released, doubled and drawn in a lap drawing frame, is called as |
| A. | pre carding |
| B. | post carding |
| C. | post carding lap drawing frame |
| D. | pre carding lap drawing frame |
| Answer» D. pre carding lap drawing frame | |
| 50. |
Pressure cylinders are covered with |
| A. | metal sleeve |
| B. | rubber sleeve |
| C. | plastic sleeve |
| D. | glass sleeve |
| Answer» C. plastic sleeve | |