Gate Yearwise 

Textile Engineering Gate 2019 Questions with Answer

Ques 40 GATE 2019

Molecular weight of the repeat unit of poly (ethylene terephthalate) is __________.


(192.0 to 192.5) is the correct answer.

Ques 41 GATE 2019

Match the process steps in viscose fibre manufacture listed in Group I with the corresponding chemicals given in Group II. The correct option is

A

P-1, Q-3, R-2, S-1

B

P-4, Q-3, R-1, S-2

C

P-3, Q-4, R-1, S-2

D

P-2, Q-3, R-1, S-4


(b) is the correct answer.

Ques 42 GATE 2019

The correct combination of techniques to determine the crystallinity in fibres is

A

TGA and DSC

B

Birefringence and DSC

C

X-ray diffraction and Density measurement

D

Birefringence and X-ray diffraction


(d) is the correct answer.

Ques 43 GATE 2019

Determine the correctness or otherwise of the following Assertion [a] and Reason [r]
[a]: Kevlar fibre has high strength and high modulus.
[r]: It has high orientation and low crystallinity.

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 the correct reason for [a]

C

Both [a] and [r] are false

D

[a] is true but [r] is false


(d) is the correct answer.

Ques 44 GATE 2019

In melt spinning, the diameter of monofilament at the spinneret exit is 0.3 mm and at the take-up point is 0.15 mm. Assuming that there is no change in density of filament, the spin-draw ratio is


(4) is the correct answer.

Ques 45 GATE 2019

The experimentally determined density of a fibre is 1.31 g/cc. If the density of the void free fibre is 1.35 g/cc, then the void volume fraction (%) of the fibre sample (rounded off to 2 decimal places) is


(2.60 to 3.00) is the correct answer.

Ques 46 GATE 2019

A 180 denier polyester multifilament yarn, a 60 Ne cotton yarn and a 50 Nm (metric count) polyester/wool yarn are twisted together. The resultant linear density (tex) of the 3-ply yarn, neglecting twist contraction, (rounded off to 2 decimal places) is


(49.50 to 50.00) is the correct answer.

Ques 47 GATE 2019

Among the following options, the thickest Classimat fault is

A

B3

B

D1

C

G

D

H2


(d) is the correct answer.

Ques 48 GATE 2019

Work factor of a perfectly elastic yarn is

A

0

B

0.5

C

1

D

2


(a) is the correct answer.

Ques 49 GATE 2019

If the moisture content of a fibre is 10%, its moisture regain (%) (rounded off to 2 decimal places) is ___________.


(11.00 to 11.20) is the correct answer.

Ques 50 GATE 2019

The 2.5% span length and uniformity ratio of a particular variety of cotton fibre are 30 mm and 45%, respectively. The 50% span length (mm) of the fibre (rounded off to 1 decimal place) is __________.


(13.0 to 14.0) is the correct answer.

Ques 51 GATE 2019

Match the instruments listed in Group I with the corresponding operating principles given in Group II. The correct option is

A

P-4, Q-3, R-1, S-2

B

P-4, Q-2, R-3, S-1

C

P-1, Q-3, R-2, S-4

D

P-4, Q-3, R-2, S-1


(d) is the correct answer.

Ques 52 GATE 2019

A sample of 150 cotton fibres is tested for maturity. The number of normal and thin-walled fibres are 105 and 30, respectively. The rest are dead fibres. The maturity ratio is


(1) is the correct answer.

Unique Visitor Count

Total Unique Visitors

Loading......

Question Options

Contributed by: