MCQOPTIONS
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MCQOPTIONS
This section includes 197 Mcqs, each offering curated multiple-choice questions to sharpen your Textile Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Number of types polymers have is |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» D. 7 | |
| 102. |
Value of degree of order ranges from zero for |
| A. | non crystalline fibre |
| B. | crystalline fibre |
| C. | amorphous fibre |
| D. | tight fibre |
| Answer» D. tight fibre | |
| 103. |
Percentage accessibility of ramie measured by exchange of hydroxyl hydrogens for deutrium is |
| A. | 99 |
| B. | 53 |
| C. | 50 |
| D. | 78 |
| Answer» C. 50 | |
| 104. |
Disorder in regenerated cellulose as compared to cotton is |
| A. | twice |
| B. | negligible |
| C. | zero |
| D. | maximum |
| Answer» B. negligible | |
| 105. |
Diffraction patterns showing sharp spots in a four-point diagram is a characteristic of |
| A. | oriented crystal lattice |
| B. | amorphous halo |
| C. | non amorphous halo |
| D. | both a and b |
| Answer» E. | |
| 106. |
What is percentage accessibility of mercerised cotton measured by exchange of hydroxyl hydrogens for deutrium? |
| A. | 57 |
| B. | 66 |
| C. | 44 |
| D. | 87 |
| Answer» C. 44 | |
| 107. |
Needles are inclined opposite to roller when convex side comes |
| A. | before the concave side |
| B. | after the concave side |
| C. | opposite to concave side |
| D. | parallel to concave side |
| Answer» B. after the concave side | |
| 108. |
What is value of non freezing water in cotton? |
| A. | 16 |
| B. | 30 |
| C. | 48 |
| D. | 23 |
| Answer» B. 30 | |
| 109. |
Number of synthetic polymers are |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 110. |
Individual fibers length/width ratio is atleast |
| A. | 0.043055556 |
| B. | 1000 : 0001 |
| C. | 1000 : 2000 |
| D. | 0.085416667 |
| Answer» C. 1000 : 2000 | |
| 111. |
Fanciness in yarns obtained from different processes can be combined and added to other designs and it is called as |
| A. | classics |
| B. | yarn fanciness |
| C. | yarn patterns |
| D. | decorative yarns |
| Answer» B. yarn fanciness | |
| 112. |
Matter is made up of atoms joined together with bonds of |
| A. | same strength |
| B. | varying strength |
| C. | linear strength |
| D. | weak strength |
| Answer» C. linear strength | |
| 113. |
Modified fringed micelle structure has at ends of each micelle a mixture of |
| A. | fringing and folding |
| B. | folding |
| C. | fringing |
| D. | bonds |
| Answer» B. folding | |
| 114. |
In nylon, after drawing occluded structures become |
| A. | ellipsoids |
| B. | crystals |
| C. | round |
| D. | polished |
| Answer» B. crystals | |
| 115. |
Percentage accessibility of bleached cotton measured by exchange of hydroxyl hydrogens for deutrium is |
| A. | 44 |
| B. | 87 |
| C. | 66 |
| D. | 57 |
| Answer» B. 87 | |
| 116. |
What is percentage accessibility of Kenaf measured by exchange of hydroxyl hydrogens for deutrium? |
| A. | 48 |
| B. | 49 |
| C. | 70 |
| D. | 50 |
| Answer» C. 70 | |
| 117. |
Paracrystals uniform disorder can be replaced by |
| A. | point defects |
| B. | defects |
| C. | distributed point defects |
| D. | distributed defects |
| Answer» D. distributed defects | |
| 118. |
As compared to glass and crystalline, rubbers are |
| A. | intermediate extensible |
| B. | more extensible |
| C. | weakly bonded |
| D. | porous |
| Answer» C. weakly bonded | |
| 119. |
Dimension of crystalline regions, extracted from diffraction data are of order of |
| A. | 10 nm |
| B. | 20 nm |
| C. | 30 nm |
| D. | 35 nm |
| Answer» B. 20 nm | |
| 120. |
Hard materials are made up of |
| A. | small molecules |
| B. | weak molecules |
| C. | giant molecules |
| D. | round molecules |
| Answer» D. round molecules | |
| 121. |
Fancy yarns are used in |
| A. | knitting |
| B. | weaving |
| C. | dyeing |
| D. | knotting |
| Answer» B. weaving | |
| 122. |
Other material/s which is/are sensitive at ordinary temperature like hydrogen is/are |
| A. | cellulose |
| B. | cellulose and nylon |
| C. | nylon and cotton |
| D. | polyethylene |
| Answer» C. nylon and cotton | |
| 123. |
A fancy yarn is characterized by |
| A. | knots |
| B. | slubs |
| C. | colors |
| D. | all of above |
| Answer» E. | |
| 124. |
When fault reaches end of of crystal, it |
| A. | disappears |
| B. | becomes extinct |
| C. | increases |
| D. | extends |
| Answer» B. becomes extinct | |
| 125. |
A large crystal grain grows by rearrangement of atoms near its boundary until it gets rid of |
| A. | other grains |
| B. | smaller grains |
| C. | other large grains |
| D. | residual grains |
| Answer» C. other large grains | |
| 126. |
Driving force towards increased order brings structure closer to ideal of a |
| A. | single crystal |
| B. | multiple crystal |
| C. | random crystal |
| D. | small crystal |
| Answer» B. multiple crystal | |
| 127. |
Chemical treatments are given to replace hydroxyl groups in non crystalline region by other groups in order to change property/properties like |
| A. | electrical resistance |
| B. | moisture absorption |
| C. | rot resistance |
| D. | all of above |
| Answer» E. | |
| 128. |
In cellulose, groups are joined together via |
| A. | covalent bond |
| B. | valency bonds |
| C. | coordinate bonds |
| D. | weak bonds |
| Answer» C. coordinate bonds | |
| 129. |
Structure of cellulose II is |
| A. | analogous |
| B. | duplicated |
| C. | realtered |
| D. | anti parallel |
| Answer» E. | |
| 130. |
Percentage of crystallinity in natural cellulose fibers is |
| A. | 0.1 |
| B. | 0.4 |
| C. | 1 |
| D. | 0.8 |
| Answer» D. 0.8 | |
| 131. |
Cellulose is a |
| A. | small molecule |
| B. | big molecule |
| C. | small chain molecule |
| D. | long chain molecule |
| Answer» E. | |
| 132. |
In chain of cellulose, hydroxyl groups are interlinked by means of |
| A. | coordinate bonds |
| B. | strong bonds |
| C. | hydrogen bonds |
| D. | weak bonds |
| Answer» D. weak bonds | |
| 133. |
Minimization of free energy results into |
| A. | crystallization |
| B. | liquefaction |
| C. | bonding |
| D. | hydroxyl bonds |
| Answer» B. liquefaction | |
| 134. |
Proportion of crystalline material is reduced by |
| A. | contraction |
| B. | reducer |
| C. | mercerization |
| D. | deformation |
| Answer» D. deformation | |
| 135. |
Treatment that cause resin to polymerize and react with hydroxyl groups results in |
| A. | chemical crosslinks |
| B. | chemical degradation |
| C. | chemical reaction |
| D. | chemical change |
| Answer» B. chemical degradation | |
| 136. |
Chain of cellulose has direction, owing to asymmetry of atoms in |
| A. | glucose rings |
| B. | protein rings |
| C. | fructose rings |
| D. | calcium rings |
| Answer» B. protein rings | |
| 137. |
Native cellulose crystal structure is known as |
| A. | protein |
| B. | ribbon |
| C. | cellulose I |
| D. | plastic |
| Answer» D. plastic | |
| 138. |
Quantity of actual material in a region that is not part of crystal lattice is |
| A. | large |
| B. | small |
| C. | negligible |
| D. | zero |
| Answer» C. negligible | |
| 139. |
Hydrogen bonding is |
| A. | partially intermolecular |
| B. | partially intramolecular |
| C. | partially oriented |
| D. | both a and b |
| Answer» E. | |
| 140. |
Naturally formed fibrils have a thickness of about |
| A. | 4 nm |
| B. | 5 nm |
| C. | 8 nm |
| D. | 10 nm |
| Answer» B. 5 nm | |
| 141. |
Polymer that crystallize in lamellar form linked by tie molecules is called as |
| A. | cellulose |
| B. | nylon |
| C. | ethylene |
| D. | polyethylene |
| Answer» E. | |
| 142. |
For material with rubbery state, at low temperature or stronger bonding material is a |
| A. | plastic |
| B. | glassy plastic |
| C. | glassy gas |
| D. | glassy liquid |
| Answer» C. glassy gas | |
| 143. |
In lamellar crystals, length/width ratio is regarded as |
| A. | thickness/width |
| B. | length/thickness |
| C. | thinness/width |
| D. | length/thinness |
| Answer» B. length/thickness | |
| 144. |
Percentage accessibility of jute measured by exchange of hydroxyl hydrogens for deutrium is |
| A. | 50 |
| B. | 70 |
| C. | 49 |
| D. | 48 |
| Answer» E. | |
| 145. |
Crystalline regions grow and push disorder out ahead to pile up in |
| A. | larger amorphous regions |
| B. | smaller amorphous regions |
| C. | smaller grains |
| D. | larger grains |
| Answer» B. smaller amorphous regions | |
| 146. |
Hydrogen bonds are formed between |
| A. | hydrogen |
| B. | oxygen |
| C. | hydroxyl groups |
| D. | hydrocarbon groups |
| Answer» D. hydrocarbon groups | |
| 147. |
Chemical crosslinks helps in |
| A. | stabilizing the structure |
| B. | reduces wrinkles |
| C. | reduces creases |
| D. | all of above |
| Answer» E. | |
| 148. |
Experimentally, degree of localization of order must be estimated from |
| A. | direct evidence |
| B. | indirect evidence |
| C. | direct value |
| D. | indirect value |
| Answer» C. direct value | |
| 149. |
In partial orientation structure, chain molecules approach but donot achieve alignment parallel to |
| A. | fibre axis |
| B. | fibre width |
| C. | fibre length |
| D. | fibre density |
| Answer» B. fibre width | |
| 150. |
Hydrogen bonds can be formed between -CO.NH- and can be found in |
| A. | polyamide |
| B. | protein fibers |
| C. | both a and b |
| D. | polyethylene |
| Answer» D. polyethylene | |