#1
4th August 2014, 07:52 AM
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Agricultural Research Service Textile Engineering previous years question papers
Will you please share with me the Agricultural Research Service Textile Engineering previous years question papers?
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#2
4th August 2014, 08:23 AM
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Re: Agricultural Research Service Textile Engineering previous years question papers As you want to get the Agricultural Research Service Textile Engineering previous years question papers so here it is for you: Q. 1 – Q. 25 carry one mark each. Q.1 The fibre that contains nitrogen and sulfur is (A) Polyester (B) Wool (C) Nylon 6 (D) Kevlar Q.2 Condensation polymerization is not used to produce (A) Polyester (B) Nylon 6 (C) Nylon 66 (D) Polypropylene Q.3 Wet spinning technique is commercially used to produce filament yarn of (A) Polypropylene (B) Polyester (C) Nylon 66 (D) Acrylic Q.4 The fibre that dissolves in 59% (w/w) sulfuric acid solution is (A) Wool (B) Polypropylene (C) Cotton (D) Viscose Q.5 Surface features of a fibre can be obtained by (A) Transmission electron microscope (B) Scanning electron microscope (C) Small angle X-ray diffractometer (D) Sonic modulus tester Q.6 Birefringence of filament yarn is related to its (A) Crystallinity (B) Orientation (C) Individual filament denier (D) Density Q.7 A machine that does not improve the mass evenness is (A) Drawframe (B) Ring doubler (C) Speedframe (D) Ribbon lap Q.8 Fibre individualization in a card will increase by increasing (A) Licker-in to cylinder setting (B) Doffer speed (C) Licker-in speed (D) Cylinder speed Q.9 Softer cots on drafting rollers result in (A) An increase in drafting wave (B) Less fibre slippage at roller nip (C) Change in draft (D) Reduced roller lapping Q.10 Compared to the spinning of finer cotton yarns, the preferred rotor diameter for the production of very coarse cotton yarns would (A) Be higher (B) Be lower (C) Remain the same (D) Change depending on fibre strength 2013 TEXTILE ENGG. & FIBRE SCIENCE – TF TF 5/12 Q.11 Amongst the following, the suitable technology for producing core spun yarn is (A) Air vortex spinning (B) Rotor spinning (C) Friction spinning (D) Air-jet spinning Q.12 Increase in taper angle on sectional warping drum will normally require (A) Higher warping speed (B) Lower warping speed (C) Increase in traverse speed (D) Decease in traverse speed Q.13 Increase in the ratio of the length of crank to the length of connecting rod leads to (A) Increase in sley eccentricity (B) Decrease in sley eccentricity (C) No change in sley eccentricity (D) Initial increase and then decrease in sley eccentricity Q.14 Shuttle remains on the race board during its flight in the shed because of (A) Forward positive acceleration of the sley (B) Backward positive acceleration of the sley (C) Constant forward velocity (D) Constant backward velocity Q.15 In weft knitted fabrics of the same mass per unit area produced from the same yarns, the structure which will give the highest thickness is (A) Plain (B) Rib (C) Purl (D) Interlock Q.16 The nonwoven process which has the highest production rate is (A) Needle punching (B) Hydroentangling (C) Melt blowing (D) Spunbonding Q.17 During bleaching of cotton with H2O2, the stabilizer used is (A) Sodium hydroxide (B) Sodium silicate (C) Acetic acid (D) Sodium carbonate Q.18 The highest washing fastness in a dyed cotton fabric would be obtained if the dye-fibre bond is (A) Ionic (B) Hydrogen (C) Covalent (D) Van der Waal's force Q.19 Disperse dye cannot generally be fixed on polyester by (A) Superheated steam at180oC (B) Saturated steam at 130oC (C) Dry heat at 200oC (D) Saturated steam at 100oC |
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