Textile Engineering Gate 2011 Questions with Answer
Ques 27 GATE 2011
Out of the following, the one which is NOT a surfactant is
Ques 28 GATE 2011
The machine used for continuous processing of fabric is
Ques 29 GATE 2011
An example of a coagulant used in textile effluent treatment is
Ques 30 GATE 2011
Microbes growing on clothing derive nutrition from
Ques 31 GATE 2011
For a sizing process, the target add-on (%) and the size paste concentration (%) is 10 and 20, respectively. If the oven dry mass of the supply warp sheet is 100 kg, the mass of water in kg to be evaporated from the warp sheet during drying is
Ques 32 GATE 2011
Match the items in Group I with those in Group II.
| Group I | Group II |
|---|---|
| P. Sodium formaldehyde sulphoxylate | 4. Reducing agent |
| Q. Urea | 1. Hygroscopic agent |
| R. Resist salt | 2. Mild oxidizing agent |
| S. Carboxy methyl cellulose (CMC) | 3. Thickener |
Ques 33 GATE 2011
Determine the correctness or otherwise of the following assertion [a] and the reason [r].
[a] Phosphorus and nitrogen based agents act as vapour phase flame retardants for cotton.
[r] Phosphorus yields phosphoric acid and hinders formation of levoglucosan while nitrogen has a synergistic effect.
Ques 34 GATE 2011
Match the items in Group I with those in Group II.
| Group I | Group II |
|---|---|
| P. Crabbing | 4. Winding, treatment with hot water |
| Q. Decatising | 3. Perforated drum with saturated steam |
| R. Milling | 2. Moisture, heat, mechanical action |
| S. Cropping | 1. Cut and remove projecting fibres |
Ques 35 GATE 2011
Four percent add on (owf) of a finish is required on a fabric having a weight of 0.60 kg/m. Consider the wet pick up as 80%, speed of the fabric as 90 m/min and density of liquor as 1.2 g/ml. Concentration (%) of the finish required in the bath is
Ques 36 GATE 2011
Four percent add on (owf) of a finish is required on a fabric having a weight of 0.60 kg/m. Consider the wet pick up as 80%, speed of the fabric as 90 m/min and density of liquor as 1.2 g/ml. Finish consumed in kg/min is
Ques 37 GATE 2011
Density of cotton fibre is approximately
Ques 38 GATE 2011
The byproduct obtained from polycondensation of diethylene glycol terephthalate (DGT) is
Ques 39 GATE 2011
Ziegler Natta catalyst is used in the polymerization of
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