Gate Yearwise

Gate 2025
Gate 2024
Gate 2023
Gate 2022
Gate 2021
Gate 2020
Gate 2019
Gate 2018
Gate 2017
Gate 2016
Gate 2015
Gate 2014
Gate 2013
Gate 2012
Gate 2011
Gate 2010
Gate 2009

Textile Engineering Gate 2023 Questions with Answer

1 2 3 4 5

Ques 1 GATE 2023

Consider the following activities on a carding machine
(P) Lowering surface speed of feed roller
(Q) Increasing rotational speed of taker-in
(R) Increasing linear density of feed material
(S) Use of shorter and finer fibres
The correct combination of the above activities to obtain more number of taker-in teeth acting per fibre is _______.

A

P and Q

B

Q and R

C

R and S

D

S and P

(a) is the correct answer.

Ques 2 GATE 2023

Amongst the following, hydrolytic desizing agents attack starch at _______.

A

α-1,4 glucosidic linkage

B

Six membered ring

C

Hydroxyl group

D

Carboxyl group

(a) is the correct answer.

Ques 3 GATE 2023

In flame retardant finishing of cotton fabric, the correct statement(s) is/are _______.

A

The finishing material forms an insulating layer around the fibre at a temperature above the fibre pyrolysis temperature

B

The finishing material forms an insulating layer around the fibre at a temperature below the fibre pyrolysis temperature

C

The finishing material crosslinks cellulose and alters the pyrolysis route

D

The finishing material dehydrates the cellulose

(a,c) is the correct answer.

Ques 4 GATE 2023

Determine the correctness or otherwise of the following Assertion [a] and Reason [r].
[a]: MgCl₂ is used in the formulation of anti-crease finishing of cotton fabric with DMDHEU
[r]: MgCl₂ is an acidic salt and acts as a catalyst

A

Both [a] and [r] are true and [r] is the correct reason for [a]

B

Both [a] and [r] are true but [r] is not correct reason for [a]

C

Both [a] and [r] false

D

[a] is true but [r] is false

(d) is the correct answer.

Ques 5 GATE 2023

Determine the correctness or otherwise of the following Assertion [a] and Reason [r].
[a]: A partially scoured cotton fabric bleached with H₂O₂ exhibits higher water absorbancy than that bleached with NaClO₂
[r]: Bleaching with H₂O₂ also facilitates scouring

A

Both [a] and [r] are true and [r] is the correct reason for [a]

B

Both [a] and [r] are true but [r] is not correct reason for [a]

C

Both [a] and [r] false

D

[a] is true but [r] is false

(a) is the correct answer.

Ques 6 GATE 2023

In a continuous scouring operation, a desized fabric (with 40% wet expression) is dipped into a saturator (alkali bath) before it enters a J-box for scouring. After saturation in the alkali bath, the wet expression increases to 100%. The required alkali concentration (w/v) of the liquor present in the fabric exiting the saturator is 6%. Considering no liquor interchange in the saturator, the alkali concentration (w/v) in percentage in the saturator (in integer) is _______.

(10) is the correct answer.

Ques 7 GATE 2023

Consider the following statements with regard to the timing diagram of a cotton combing machine.
(P) In forward feed system, feeding mostly takes place when nippers are closing
(Q) Cylinder comb starts combing after feeding ends
(R) Detaching rollers move backward during forward movement of nipper assembly
(S) Top comb is not combing when detaching rollers move forward
The correct combination of TRUE statements is _______.

A

P and Q

B

Q and R

C

R and S

D

S and P

(d) is the correct answer.

Ques 8 GATE 2023

A cotton fabric is to be dyed with 2% shade (on the weight of fabric). If dye concentration is 0.4 g/L then the material-to-liquor ratio is 1:X. The value of X (in integer) is _______.

(25) is the correct answer.

Ques 9 GATE 2023

A sample of cotton fabric is dyed with vat dye at 60^oC till equilibrium dye uptake is reached. Another sample of the same cotton fabric is dyed with the same dye at 90^oC till equilibrium, keeping all other parameters same. Amongst the following, the correct statement(s) is/are _______.

A

Dye exhaustion will be higher at 90^oC as compared to that at 60^oC

B

Dye exhaustion will be lower at 90^oC as compared to that at 60^oC

C

Levelness achieved at 90^oC will be higher as compared to that at 60^oC

D

Levelness achieved at 90^oC will be lower as compared to that at 60^oC

(a,d) is the correct answer.

Ques 10 GATE 2023

In the given figure, PQRS is a parallelogram with PS = 7 cm, PT = 4 cm and PV = 5 cm. What is the length of RS in cm? (The diagram is representative.)

A

20/7

B

28/5

C

9/2

D

35/4

(b) is the correct answer.

Ques 11 GATE 2023

A line of symmetry is defined as a line that divides a figure into two parts in a way such that each part is a mirror image of the other part about that line. The given figure consists of 16 unit squares arranged as shown. In addition to the three black squares, what is the minimum number of squares that must be coloured black, such that both PQ and MN form lines of symmetry? (The figure is representative)

A

3

B

4

C

5

D

6

(c) is the correct answer.

Ques 12 GATE 2023

To construct a wall, sand and cement are mixed in the ratio of 3:1. The cost of sand and that of cement are in the ratio of 1:2. If the total cost of sand and cement to construct the wall is 1000 rupees, then what is the cost (in rupees) of cement used?

A

400

B

600

C

800

D

200

(a) is the correct answer.

Ques 13 GATE 2023

The coefficient of x⁴ in the polynomial (x - 1)³(x - 2)³ is equal to _______.

A

33

B

-3

C

30

D

21

(d) is the correct answer.

1 2 3 4 5

Unique Visitor Count

Total Unique Visitors

Loading......