Textile Engineering Gate 2013 Questions with Answer

Ques 1 GATE 2013


A market survey by a garment manufacturing company revealed that the chest width of their target customers had normal distribution with a mean of 54 cm. If 18% of customers surveyed have chest width greater than 58 cm and 75% of customers surveyed have chest width greater than 52 cm, the percentage of customers having chest width between 56 cm and 58 cm is


(22) is the correct answer.

Ques 2 GATE 2013


In a card the probability of fibre transfer from cylinder to doffer in one revolution of cylinder is 0.2. The probability that a particular fibre will be transferred to the doffer within the first three revolutions of cylinder is


(0.488) is the correct answer.

Ques 3 GATE 2013


The particular integral of
(d2y/dx2) + 5(dy/dx) + 6y = e2x is

A

e2x/20

B

e2x/12

C

2e2x

D

4e2x


(a) is the correct answer.

Ques 4 GATE 2013


The inverse of the matrix is

A

B

C

D


(b) is the correct answer.

Ques 5 GATE 2013


X and Y are two positive real numbers such that 2X+Y ≤ 6 and X+2Y ≤ 8. For which of the following values of (X, Y) the function f(X,Y)=3X+6Y will give maximum value?

A

(4/3, 10/3)

B

(8/3, 20/3)

C

(8/3, 10/3)

D

(4/3, 20/3)


(a) is the correct answer.

Ques 6 GATE 2013


If |4X-7|=5, then the values of 2|X|-|-X| are

A

2, 1/3

B

1/2, 3

C

3/2, 9

D

2/3, 9


(c) is the correct answer.

Ques 7 GATE 2013


Increase in the ratio of the length of crank to the length of connecting rod leads to

A

Increase in sley eccentricity

B

Decrease in sley eccentricity

C

No change in sley eccentricity

D

Initial increase and then decrease in sley eccentricity


(a) is the correct answer.

Ques 8 GATE 2013


Shuttle remains on the race board during its flight in the shed because of

A

Forward positive acceleration of the sley

B

Backward positive acceleration of the sley

C

Constant forward velocity

D

Constant backward velocity


(a) is the correct answer.

Ques 9 GATE 2013


In weft knitted fabrics of the same mass per unit area produced from the same yarns, the structure which will give the highest thickness is

A

Plain

B

Rib

C

Purl

D

Interlock


(d) is the correct answer.

Ques 10 GATE 2013


The nonwoven process which has the highest production rate is

A

Needle punching

B

Hydroentangling

C

Melt blowing

D

Spunbonding


(d) is the correct answer.

Ques 11 GATE 2013


A loom is producing 2 m wide grey fabric with 8% weft crimp. Assuming that the loom is running at 570 rpm with 90% efficiency, the weft consumption in kg/hr of 30 tex yarn will be


(246.83) is the correct answer.

Ques 12 GATE 2013


A square plain jammed woven fabric of 0.5 mm thickness is to be produced from polyester yarns. Assuming circular yarn cross-section, the number of picks per cm in the fabric on the loom is approximately

A

13

B

18

C

23

D

28


(c) is the correct answer.

Ques 13 GATE 2013


A number is as much greater than 75 as it is smaller than 117. The number is:

A

91

B

93

C

89

D

96


(d) is the correct answer.

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