MCQOPTIONS
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MCQOPTIONS
This section includes 136 Mcqs, each offering curated multiple-choice questions to sharpen your Textile Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Circular comb operating range of feedracks is calculated to be |
| A. | 489 mm |
| B. | 480 mm |
| C. | 450 mm |
| D. | 440 mm |
| Answer» E. | |
| 52. |
Throughput speed of feedracks is calculated to be |
| A. | 600 nips/min |
| B. | 300 nips/min |
| C. | 200 nips/min |
| D. | 100 nips/min |
| Answer» D. 100 nips/min | |
| 53. |
In feed and collection systems, feed racks has four pairs of |
| A. | longitudinal rollers |
| B. | latitudinal rollers |
| C. | vertical roller |
| D. | horizontal roller |
| Answer» B. latitudinal rollers | |
| 54. |
In noil discharging device, vacuum helps in |
| A. | combing |
| B. | transmitting |
| C. | dedusting |
| D. | drafting |
| Answer» D. drafting | |
| 55. |
Pressure exerted on nipper must be |
| A. | variable |
| B. | uniform |
| C. | adjustable |
| D. | non adjustable |
| Answer» C. adjustable | |
| 56. |
Sleeve size of feedracks is calculated to be |
| A. | 540 x 580 x 0,5 mm |
| B. | 540 x 580 x 5 mm |
| C. | 540 x 580 x 4,5 mm |
| D. | 540 x 580 x 3,5 mm |
| Answer» E. | |
| 57. |
Extraction roller consists of a |
| A. | round groove |
| B. | deep groove |
| C. | helical groove |
| D. | grooved cut |
| Answer» D. grooved cut | |
| 58. |
Noils collected in noil discharging device is conveyed to |
| A. | special container |
| B. | circular box |
| C. | filtration box |
| D. | deducting box |
| Answer» B. circular box | |
| 59. |
Forward movement of nipper accompanied by needles rotation determines increase in |
| A. | increase in combing time |
| B. | regular combing of head |
| C. | reduction in breaking of fibers |
| D. | all of above |
| Answer» E. | |
| 60. |
Combed tuft is adhered onto the |
| A. | sleeve |
| B. | cylinder |
| C. | roller |
| D. | roller points |
| Answer» B. cylinder | |
| 61. |
During return of rollers, pressure between extraction rollers must be |
| A. | minimum |
| B. | maximum |
| C. | constant |
| D. | adjustable |
| Answer» B. maximum | |
| 62. |
Number of rotation modes in extraction roller are |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 63. |
Outgoing fiber web from extraction device is collected in |
| A. | vessel |
| B. | vat |
| C. | cylinder |
| D. | pot |
| Answer» C. cylinder | |
| 64. |
For combing and parallelizing different type of wools, denser needles are |
| A. | same |
| B. | different |
| C. | interchangeable |
| D. | not changeable |
| Answer» D. not changeable | |
| 65. |
V-shaped gill ensures |
| A. | steady speed |
| B. | uniform feed |
| C. | constant speed |
| D. | all of above |
| Answer» C. constant speed | |
| 66. |
Extraction roller combs the |
| A. | tail of tuft |
| B. | head of tuft |
| C. | central part of tuft |
| D. | complete tuft |
| Answer» B. head of tuft | |
| 67. |
In order to get good cleaning, distance between nipper and circular comb must be |
| A. | largest |
| B. | shortest |
| C. | 2 mm |
| D. | 5 mm |
| Answer» C. 2 mm | |
| 68. |
Different rotation speed of longitudinal rollers ensures regular and complete unwinding of reel having |
| A. | different diameter |
| B. | same diameter |
| C. | different rotation speed |
| D. | same rotation speed |
| Answer» B. same diameter | |
| 69. |
Every time a gauge is changed, position of fixed nipper is |
| A. | doubled |
| B. | adjusted |
| C. | rotated |
| D. | tilted |
| Answer» C. rotated | |
| 70. |
Advantage of forward motion of nipper is |
| A. | less stress |
| B. | less strain |
| C. | reduced whiplash |
| D. | all of above |
| Answer» E. | |
| 71. |
In order to prevent tuft head from escaping needles of circular comb, a small brush is fixed on the |
| A. | lower gripper of nipper |
| B. | upper gripper of nipper |
| C. | both grippers of nipper |
| D. | side gripper of nipper |
| Answer» C. both grippers of nipper | |
| 72. |
Lap protrudes after being fed beyond nipper by a distance equal to |
| A. | brush length |
| B. | guide length |
| C. | gauge |
| D. | comb |
| Answer» D. comb | |
| 73. |
Small bar with needles are arranged on |
| A. | 260 mm arc |
| B. | 264 mm arc |
| C. | 254 mm arc |
| D. | 274 mm arc |
| Answer» C. 254 mm arc | |
| 74. |
Gauge of feedracks is calculated to be |
| A. | 28/36 mm |
| B. | 36/28 mm |
| C. | 28/30 mm |
| D. | 28/29 mm |
| Answer» B. 36/28 mm | |
| 75. |
When head of one combed tuft is placed above tail of other combed tuft, it ensures |
| A. | excellent bonding of web |
| B. | consistency |
| C. | no interruptions |
| D. | all of above |
| Answer» E. | |
| 76. |
Heads of fiber tufts are made to sink in needles of circular comb with help of |
| A. | special sinking brush |
| B. | special guides |
| C. | special blowers |
| D. | special sinking roller |
| Answer» B. special guides | |
| 77. |
Pressure on extraction rollers is calculated to be |
| A. | 600 N |
| B. | 1600 N |
| C. | 2600 N |
| D. | 3600 N |
| Answer» C. 2600 N | |
| 78. |
Linear combing machine features a |
| A. | linear oscillations |
| B. | curvilinear oscillations |
| C. | flat oscillations |
| D. | rotatory action |
| Answer» C. flat oscillations | |
| 79. |
In feed and collection systems, volume of material entering and leaving must be enough to give machine |
| A. | minimum autonomy |
| B. | maximum autonomy |
| C. | high speed |
| D. | low speed |
| Answer» C. high speed | |
| 80. |
For each combing cycle of a tuft, circular comb carries out |
| A. | 1 revolution |
| B. | 2 revolutions |
| C. | 3 revolutions |
| D. | 4 revolutions |
| Answer» B. 2 revolutions | |
| 81. |
In formation and collection of combed sliver, number of rollers feeding compression room are |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 82. |
Crimping device constitutes |
| A. | 2 compacting rollers |
| B. | crimping compartment |
| C. | collection siphon |
| D. | all of above |
| Answer» E. | |
| 83. |
Fibers are inserted between nipper jaws due to circular comb |
| A. | tension |
| B. | pull |
| C. | push |
| D. | stretching |
| Answer» B. pull | |
| 84. |
Linear comb operating range of feedracks is calculated to be |
| A. | 480 mm |
| B. | 460 mm |
| C. | 450 mm |
| D. | 440 mm |
| Answer» C. 450 mm | |
| 85. |
Inside crimping device fibers are pressured to take preset waving which increases |
| A. | fineness |
| B. | compactness |
| C. | condensation |
| D. | cleanliness |
| Answer» C. condensation | |
| 86. |
Throughput speed is calculated to be |
| A. | 260 nips/min |
| B. | 280 nips/min |
| C. | 300 nips/min |
| D. | 380 nips/min |
| Answer» B. 280 nips/min | |
| 87. |
Nipper-circular comb distance of feedracks is calculated to be |
| A. | 0/2 mm |
| B. | 2/2 mm |
| C. | 0,2/2 mm |
| D. | 0,3/2 mm |
| Answer» D. 0,3/2 mm | |
| 88. |
At every operating cycle, linear comb is cleaned with special brush constituting |
| A. | 2 bristle rows |
| B. | 3 bristle rows |
| C. | 4 bristle rows |
| D. | 5 bristle rows |
| Answer» B. 3 bristle rows | |
| 89. |
Rotation mode that helps in stretching and removal of tuft from lap is called as |
| A. | indirect |
| B. | direct |
| C. | forward |
| D. | backward |
| Answer» C. forward | |
| 90. |
When nipper opens, motion/s take place is/are |
| A. | tail combing |
| B. | material feeding |
| C. | both a and b |
| D. | extracting |
| Answer» D. extracting | |
| 91. |
In case of non uniform arrangement, nipper could exert |
| A. | constant pressure |
| B. | different pressure |
| C. | less pressure |
| D. | more pressure |
| Answer» C. less pressure | |
| 92. |
Lap before passing through plates of feeding gill goes through |
| A. | feeding system |
| B. | pre feeding system |
| C. | closing system |
| D. | gill system |
| Answer» C. closing system | |
| 93. |
Quantity of noils produced by combing machine with same feed change according to number of slivers forming the |
| A. | sliver can |
| B. | lap |
| C. | fiber bands |
| D. | fiber length |
| Answer» C. fiber bands | |
| 94. |
Extraction roller oscillations is calculated to be |
| A. | 110 mm |
| B. | 90 mm |
| C. | 190 mm |
| D. | 271 mm |
| Answer» C. 190 mm | |
| 95. |
To facilitate comb cleaning, tool used is called as |
| A. | circular brush |
| B. | toothed brush |
| C. | brush bristles |
| D. | sharp brush |
| Answer» B. toothed brush | |
| 96. |
In case of delay in lowering of linear comb, it will result in |
| A. | twists |
| B. | inadequate combing of backside |
| C. | inadequate combing of rear side |
| D. | improper blending |
| Answer» D. improper blending | |
| 97. |
For any type of wool, first thin rows of needles are |
| A. | same |
| B. | different |
| C. | pointed |
| D. | elongated |
| Answer» B. different | |
| 98. |
Stroke of nipper determines reduction in |
| A. | circular movements |
| B. | time interval |
| C. | process |
| D. | stand by time |
| Answer» E. | |
| 99. |
Forward movement of nipper is important for |
| A. | thin fibers |
| B. | thick fibers |
| C. | fine fibers |
| D. | twisted fibers |
| Answer» D. twisted fibers | |
| 100. |
Pressure on extraction rollers during extraction stage is calculated to be |
| A. | 2200 N |
| B. | 2500 N |
| C. | 2600 N |
| D. | 2900 N |
| Answer» B. 2500 N | |