MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Gauge between cylinders ensure |
| A. | uniformity |
| B. | relativity |
| C. | pressure |
| D. | friction |
| Answer» B. relativity | |
| 2. |
Rubber sleeve resists the |
| A. | Centripetal force |
| B. | Centrifugal force |
| C. | Abrasion effect |
| D. | Rubbing |
| Answer» D. Rubbing | |
| 3. |
Incorrect gauge leads to |
| A. | floating fibers |
| B. | short fibers |
| C. | long fibers |
| D. | thick fibers |
| Answer» B. short fibers | |
| 4. |
In screw type drafting process, combs are |
| A. | perpendicular to needles |
| B. | parallel to needles |
| C. | at level with needles |
| D. | small |
| Answer» B. parallel to needles | |
| 5. |
In drawing aggregate, draft cylinders should be |
| A. | cylindrical |
| B. | longitudinal |
| C. | thick |
| D. | thin |
| Answer» B. longitudinal | |
| 6. |
Chains in chain drafting head are pinned to the |
| A. | center of the comb |
| B. | top of the comb |
| C. | bottom of the comb |
| D. | ends of the comb |
| Answer» E. | |
| 7. |
Every comb in screw type drafting head reaching end of stroke is lowered if it belongs to the |
| A. | lower draft range |
| B. | upper draft range |
| C. | both a and b |
| D. | vertical draft range |
| Answer» B. upper draft range | |
| 8. |
Who detects volume oscillations of material fed in electronic autoleveller? |
| A. | feeler |
| B. | transducer |
| C. | oscillator |
| D. | sensory motor |
| Answer» C. oscillator | |
| 9. |
Pressure cylinders are made up of |
| A. | rubber |
| B. | metal |
| C. | steel |
| D. | plastic |
| Answer» D. plastic | |
| 10. |
Feed pressure roller of chain is calculated to be |
| A. | 90 mm |
| B. | 32 mm |
| C. | 80 mm |
| D. | 71 mm |
| Answer» D. 71 mm | |
| 11. |
Heads per machine of rotating flanges are |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» E. | |
| 12. |
Reduced distance between last operating comb and drawing unit ensures better control of |
| A. | thick fibers |
| B. | thin fibers |
| C. | long fibers |
| D. | short fibers |
| Answer» E. | |
| 13. |
Combs cannot reach high speed in screw type drawframe due to |
| A. | complicated motions |
| B. | mechanical stresses |
| C. | mechanical stresses and complicated motions |
| D. | complicated motions and centripetal force |
| Answer» D. complicated motions and centripetal force | |
| 14. |
Combs per head in chain is calculated to be |
| A. | 88 |
| B. | 93 |
| C. | 103 |
| D. | 18 |
| Answer» B. 93 | |
| 15. |
Oiling device at exit side features |
| A. | spikes |
| B. | tube |
| C. | nozzle |
| D. | spraying compartment |
| Answer» E. | |
| 16. |
Doubling machine must have |
| A. | tensioning devices |
| B. | control devices |
| C. | doubling devices |
| D. | twisting devices |
| Answer» B. control devices | |
| 17. |
As feeding rate and draft value changes, change also occurs in |
| A. | velocity |
| B. | rotation speed |
| C. | motor speed |
| D. | sensory motor |
| Answer» C. motor speed | |
| 18. |
Entry and exit sides of slivers into or from drawframe may integrate |
| A. | oiling devices |
| B. | control devices |
| C. | computerized devices |
| D. | rotating devices |
| Answer» B. control devices | |
| 19. |
Simple control on fibers is carried out with |
| A. | absolute pressure |
| B. | relative pressure |
| C. | pressure cylinders |
| D. | air flow |
| Answer» C. pressure cylinders | |
| 20. |
Position of cylinders in drawframe are set using |
| A. | support pivots |
| B. | grid |
| C. | metal sleeve |
| D. | rubber bars |
| Answer» B. grid | |
| 21. |
Value of tension draft and entry cylinders of drafting unit can vary from |
| A. | 0.1 to 0.2 times |
| B. | 0.9 to 1.0 times |
| C. | 0.3 to 0.5 times |
| D. | 0.7 to 0.8 times |
| Answer» D. 0.7 to 0.8 times | |
| 22. |
Drawing helps to remove |
| A. | moisture |
| B. | dust |
| C. | curls |
| D. | particles |
| Answer» D. particles | |
| 23. |
An automatic collecting can in lap drawing frame is used for collecting |
| A. | thread |
| B. | impurities |
| C. | moisture |
| D. | sliver |
| Answer» E. | |
| 24. |
Total machine draft affects the |
| A. | delivery area |
| B. | entry area |
| C. | pressure rollers |
| D. | entry cylinders |
| Answer» B. entry area | |
| 25. |
One limitation of screw type drawframe is |
| A. | low draft range |
| B. | low output capacity |
| C. | low fiber control |
| D. | low cleanliness |
| Answer» C. low fiber control | |
| 26. |
Draft cylinders have support points that helps in prevention from |
| A. | bending |
| B. | rolling |
| C. | distorting |
| D. | rubbing |
| Answer» B. rolling | |
| 27. |
Job of autoleveller in drawframe is to |
| A. | correct the draft |
| B. | maintain sliver's evenness |
| C. | reduce frequency of breaking threads |
| D. | all of above |
| Answer» E. | |
| 28. |
Rotating flanges width with needles is |
| A. | 275 mm |
| B. | 100 mm |
| C. | 130 mm |
| D. | 175 mm |
| Answer» B. 100 mm | |
| 29. |
Number of chains in feedrack is |
| A. | 10 |
| B. | 12 |
| C. | 13 |
| D. | 16 |
| Answer» C. 13 | |
| 30. |
Cans consisting sliver includes cylinders. They are |
| A. | 6 |
| B. | 8 |
| C. | 10 |
| D. | 12 |
| Answer» C. 10 | |
| 31. |
Draft value depends on number of fibers present in |
| A. | partial draft |
| B. | fibrous mass |
| C. | pressure cylinders |
| D. | pressure devices |
| Answer» C. pressure cylinders | |
| 32. |
Drawing aggregate in lap drawing frame includes |
| A. | a feeder |
| B. | a fiber control device |
| C. | a delivery device |
| D. | all of above |
| Answer» E. | |
| 33. |
Feed ratio of chain is |
| A. | 130 m/min |
| B. | 1460 m/min |
| C. | 200 m/min |
| D. | 100 m/min |
| Answer» E. | |
| 34. |
Less pressure on draft cylinders ensure |
| A. | longer life |
| B. | less wear on bearing |
| C. | less energy consumption |
| D. | all of above |
| Answer» E. | |
| 35. |
At ends of comb in chain drafting head, there are |
| A. | profiled dogs |
| B. | profiled hangs |
| C. | profiled pins |
| D. | profiled bars |
| Answer» B. profiled hangs | |
| 36. |
A fiber control device in lap drawing frame consists of two pairs of |
| A. | sharp rollers |
| B. | toothed rollers |
| C. | edged rollers |
| D. | cylindrical rollers |
| Answer» C. edged rollers | |
| 37. |
A condensing funnel decides width of material entering the |
| A. | drawframe |
| B. | comber roller |
| C. | sliver frame |
| D. | drawn sliver |
| Answer» B. comber roller | |
| 38. |
Production stop is sometimes caused by |
| A. | standby time of cards |
| B. | machine malfunctioning |
| C. | maintenance of drawframe |
| D. | all of above |
| Answer» E. | |
| 39. |
A lap drawing frame consists of |
| A. | 5 parts |
| B. | 4 parts |
| C. | 3 parts |
| D. | 2 parts |
| Answer» B. 4 parts | |
| 40. |
In draft zone, loose fibers are not held by |
| A. | fibrous mass |
| B. | pressure cylinders |
| C. | duct |
| D. | cylinders |
| Answer» E. | |
| 41. |
Maximum incoming load of rotating flanges is |
| A. | 100/300 g/m |
| B. | 200/300 g/m |
| C. | 250/300 g/m |
| D. | 200/350 g/m |
| Answer» C. 250/300 g/m | |
| 42. |
Cylindrical bar that does not roll is called as |
| A. | cylindrical roll |
| B. | cylindrical bar |
| C. | pressure bar |
| D. | pressure devices |
| Answer» D. pressure devices | |
| 43. |
Pressure applied on cylinder pivots can be subdivided into |
| A. | absolute |
| B. | relative |
| C. | refactory |
| D. | both a and b |
| Answer» E. | |
| 44. |
Upper cylinder in drawframe ensures movement of |
| A. | drawn sliver |
| B. | roving cylinder |
| C. | relative sliver |
| D. | sliver can |
| Answer» D. sliver can | |
| 45. |
Drawing operation is done using machine called as |
| A. | sliver can |
| B. | sliver frame |
| C. | drawframe |
| D. | drawn Sliver |
| Answer» D. drawn Sliver | |
| 46. |
For uniform leaving of sliver from drawframe, tool used is |
| A. | controller |
| B. | control panel |
| C. | sensors |
| D. | conveyor belt |
| Answer» D. conveyor belt | |
| 47. |
In drawing aggregate, upper cylinders are called as |
| A. | Pressure cylinders |
| B. | Draft cylinders |
| C. | Drawing cylinder |
| D. | Cylinders |
| Answer» B. Draft cylinders | |
| 48. |
Drawframes normally used for processing wool slivers and controlling fibers in draft range includes |
| A. | a bar |
| B. | a rod |
| C. | a cylinder |
| D. | a roller |
| Answer» B. a rod | |
| 49. |
Drawing operation allows homogeneous blend of |
| A. | same fibers |
| B. | different fibers |
| C. | thick fibers |
| D. | thin fibers |
| Answer» C. thick fibers | |
| 50. |
In drawframes having rotating flanges drafting head, comb rotation is driven by |
| A. | grooved flanges |
| B. | 2 pairs of grooved flanges |
| C. | 3 pairs of grooved flanges |
| D. | 3 grooved flanges |
| Answer» C. 3 pairs of grooved flanges | |