Textile Engineering Gate 2009 Questions with Answer

Ques 53 GATE 2009


Consider the following elements in Group I and Group II and choose the correct alternative from amongst A, B, C and D.

Group I Group II
P. Wrap spinning 4. Composite yarn, low production rate
Q. Air-jet spinning 3. Mostly used for man-made fibres, stiffer yarns
R. Friction spinning 1. Core sheath structure, high production rate
S. Rotor spinning 5. Versatile in range of fibres and yarn counts

A

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

B

P-1, Q-5, R-2, S-4

C

P-3, Q-2, R-4, S-5

D

P-2, Q-1, R-5, S-3


(a) is the correct answer.

Ques 54 GATE 2009


A blowroom is having five machines. The total cleaning efficiency for first four machines is 40%. The cleaning efficiency of the last machine is 30%. The overall cleaning efficiency (%) of the blowroom is

A

70

B

64

C

58

D

52


(c) is the correct answer.

Ques 55 GATE 2009


For increasing the taper angle on a sectional warping machine, one would require to

A

Increase the traverse speed

B

Decrease the traverse speed

C

Increase the warping speed

D

Decrease the warping speed


(b) is the correct answer.

Ques 56 GATE 2009


The feed rate of a card is 100 kg/hour and the delivery rate is 400 m/min. Licker-in droppings and flat strips are 3% and 1% respectively. The count of card sliver (Ne) will be approximately

A

0.16

B

0.15

C

0.14

D

0.13


(a) is the correct answer.

Ques 57 GATE 2009


The feed rate of a card is 100 kg/hour and the delivery rate is 400 m/min. Licker-in droppings and flat strips are 3% and 1% respectively. If the total draft in the card is decreased by 10%, the sliver linear density in ktex will be

A

6.4

B

5.4

C

4.4

D

3.4


(a) is the correct answer.

Ques 58 GATE 2009


Two roving with a CV of 8% each are fed into a spinning zone and if the spinning unit adds 8% CV, the CV% of output yarn will be approximately

A

8.0

B

8.9

C

9.8

D

12.0


(b) is the correct answer.

Ques 59 GATE 2009


The CV% of 3-ply yarn produced using these single yarns will be approximately

A

4.93

B

5.66

C

6.93

D

9.24


(a) is the correct answer.

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