Textile Engineering Gate 2015 Questions with Answer

Ques 53 GATE 2015


Choose the INCORRECT statement from amongst the A, B, C, and D.

A

Crease recovery is higher for thick and dense fabric

B

Tear strength of fabric improves with greater float length

C

Strength CV of yarn does not affect the weaveability

D

Higher drape coefficient indicates stiffer fabric


(b) is the correct answer.

Ques 54 GATE 2015


The unique ability of woven fabric to drape in multiple curvatures is mainly due to

A

High tensile modulus

B

Low shear rigidity

C

Low compressibility

D

High bending rigidity


(b) is the correct answer.

Ques 55 GATE 2015


The relationship between the 50% span length of fiber (L₁) and the 2.5% span length of fiber (L₂) for a given cotton variety is given by
L₁ = L₂/2 + 5.
If the standard deviation (SD) of L₂ is 4 mm, that of L₁, in mm, would be


(2) is the correct answer.

Ques 56 GATE 2015


The blending technique that gives the most homogeneous mixing of fibres is

A

Lap blending

B

Tuft blending

C

Sliver blending

D

Roving blending


(c) is the correct answer.

Ques 57 GATE 2015


In a cotton comber, noil extraction increases

A

With a decrease in detachment setting

B

With an increase in pre-combing draft

C

If majority of hooks are presented in leading direction

D

With an increase in short fibres


(d) is the correct answer.

Ques 58 GATE 2015


The bottom roller surface used for driving aprons in ringframe drafting system is

A

Knurled

B

Axially fluted

C

Spirally fluted

D

Smooth


(a) is the correct answer.

Ques 59 GATE 2015


Patterning is most likely to occur in

A

Precision winding

B

Random winding

C

Step-precision winding

D

Pirn winding


(b) is the correct answer.

Ques 60 GATE 2015


Two polyester and six viscose rayon slivers of same count are blended on a drawframe. In the second passage, four slivers from first passage are further blended with two combed cotton slivers of the same count. The viscose (%) in the final sliver to the nearest integer is


(50) is the correct answer.

Ques 61 GATE 2015


In ring spinning, the tension in yarn is the maximum

A

Between the lappet guide and front roller

B

Where the balloon radius is the maximum

C

In winding zone

D

Just below the lappet guide


(d) is the correct answer.

Ques 62 GATE 2015


A core spun yarn of 30 tex is to be produced with 10% core by weight. If the cotton roving count is 540 tex, the required draft on the ringframe will be


(20) is the correct answer.

Ques 63 GATE 2015


If the spindle speed of ringframe is 15000 rpm and the traveler speed at the maximum bobbin diameter of 50 mm is 0.8% less than that of the spindle. The yarn delivery rate (m/min), to the nearest integer, will be


(19) is the correct answer.

Ques 64 GATE 2015


A rotor of 2 inch diameter is spinning a yarn of 16s Ne. If the twist multiplier is 5 and the fibre linear density is 0.1 tex, the average fibre flow through the transport channel, to the nearest integer, will be


(3) is the correct answer.

Ques 65 GATE 2015


The groove drum in a random winder makes five revolutions for one double traverse. If the drum and package diameters are 10 cm and 5 cm, respectively, the wind per double traverse would be


(10) is the correct answer.

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