Textile Engineering Gate 2025 Questions with Answer
Ques 40 GATE 2025
A polymer melt being extruded through a spinneret hole of circular cross-section exhibits a die-swell ratio of 2.2. The extrusion velocity and volumetric flow rate during this extrusion process are 20 m/min and 2.6×10-8 m3/s, respectively. The maximum diameter (mm) of the extruded melt after exit from the spinneret hole (rounded off to 2 decimal places) is
Ques 41 GATE 2025
Amongst the following, the instrument(s) used for measurement of neps in cotton fibre tuft is/are
Ques 42 GATE 2025
Amongst the following, the parameter(s) relevant to fibre fineness measurement using vibration method, is/are
Ques 43 GATE 2025
In water vapour transmission test of a fabric by evaporative dish method, the initial mass of the dish is 198 g. After 20 h of test, the mass of the dish becomes 188 g. The inner and outer diameters of the dish are 6.5 cm and 6.9 cm, respectively. The water vapour transmission rate (g/m2/h) of the fabric (rounded off to 2 decimal places) is
Ques 44 GATE 2025
In fibrograph, 2.5% span length (l) means
Ques 45 GATE 2025
The parameter(s) required to convert load-elongation curve to stress-strain curve of a yarn is/are
Ques 46 GATE 2025
Amongst the following, the chromophore(s) is/are
Ques 47 GATE 2025
The molarity (moles per litre) of 34% (w/v) H2O2 aqueous solution (answer in integer) is
Ques 48 GATE 2025
Group I indicates chemical agents and group II indicates their functions. Match the agent with its function.
| Group I | Group II |
| P. BTCA (Butane tetra carboxylic acid) | 1. Crease recovery |
| Q. Sodium hydrosulphite | 2. Sequestration |
| R. THPC (Tetrakis hydroxyl methyl phosphonium chloride) | 3. Flame retardancy |
| S. EDTA (Ethylene diamine tetra acetic acid) | 4. Reduction |
Ques 49 GATE 2025
Consider a cationic and an anionic softener both having linear alkyl chains. Upon application on cotton fabric, the orientation of the softener molecules on fabric can be described by the following statement(s)
Ques 50 GATE 2025
A cotton fabric is printed using resist style with a reactive dye for ground colour and a chemical resist agent. Amongst the following, the correct statement(s) is/are
Ques 51 GATE 2025
For crease resist finishing of cotton, DMDHEU (available as 50% (W/V) aqueous solution, then the required amount of DMDHEU solution (ml) for preparation of 1000 ml padding liquor (answer in integer) is
Ques 52 GATE 2025
For dyeing of a polyester/cotton blended fabric in solid shade, the correct combination of dyes is
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