Textile Engineering Gate 2014 Questions with Answer
Ques 40 GATE 2014
The DP of viscose rayon is approximately
Ques 41 GATE 2014
A synthetic yarn is stretched by 5% and kept in the extended condition. With time, the registered stress will
Ques 42 GATE 2014
Consider the following assertion [a] and reason [r] and choose the most appropriate answer.
[a] The apparent blend ratio of polyester / viscose fabric would increase as a result of drying
[r] The moisture content of viscose is significantly higher than that of polyester
Ques 43 GATE 2014
Consider the following assertion [a] and reason [r] and choose the most appropriate answer.
[a] In the case of condensation polymerization of PET, diethylene glycol terephthalate (DGT) is prepared first
[r] In condensation polymerization, it is important to have a correct molar balance of two comonomers
Ques 44 GATE 2014
A polypropylene yarn, melt spun at a throughput rate of W (g/s) and winding speed of S (m/min), was drawn to a draw ratio of D. The denier of this yarn is a function of W, S, D and a constant K. The value of K, accurate to the nearest integer, is
Ques 45 GATE 2014
The surface helix angle of a fibre in a yarn of 0.3 mm diameter is 30°. Assuming ideal helix geometry, the helix angle (in degrees), of a fibre situated at 0.1 mm from the yarn axis, accurate to one decimal place, will be
Ques 46 GATE 2014
The fibre parameter that CANNOT be obtained from Baer sorter diagram is
Ques 47 GATE 2014
A 25 tex cotton yarn has a twist factor of 30. The yarn twist, in turns per cm, is
Ques 48 GATE 2014
With an increase in gauge length, the tenacity of a spun yarn would
Ques 49 GATE 2014
In the Limiting Oxygen Index (LOI) test, the sample is kept in
Ques 50 GATE 2014
Consider the following assertion [a] and reason [r] and choose the most appropriate answer.
[a] Before SEM analysis of carbon fibre, it is sputter coated with gold or silver
[r] This is done because the carbon fibre is electrically insulating
Ques 51 GATE 2014
The breaking load of a 300 mtex fibre is 110 mN. If the density of the fibre is 1.24 g/cm³, breaking stress in kN/cm², accurate to one decimal place, will be
Ques 52 GATE 2014
A 60.5 tex yarn with an unevenness CV of 10% is produced from 0.5 tex polyester fibre. The index of irregularity of the yarn, accurate to one decimal place, will be
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