Textile Engineering Gate 2010 Questions with Answer

Ques 40 GATE 2010


Pressure bar is provided in a draw frame to

A

Increase the pressure on the middle top drafting roller

B

Reduce the intensity of drafting waves in the drafted strand of fibres

C

Reduce the pressure on the middle top drafting roller

D

Reduce the formation of neps in the drafted strand of fibres


(c) is the correct answer.

Ques 41 GATE 2010


The rotor spun yarn has better uniformity than the ring spun yarn of same count and fibres. The reason is

A

The high production rate of rotor spinning system

B

The fibre doubling occurring inside the rotor

C

The presence of wrapper fibres in rotor spun yarns

D

In rotor spinning, twisting and winding are separated


(b) is the correct answer.

Ques 42 GATE 2010


In drum winding, package density is independent of

A

Yarn tension

B

Applied package/drum pressure

C

Yarn strength

D

Angle of wind


(c) is the correct answer.

Ques 43 GATE 2010


Quick response powerful brake is necessary in a high speed warping machine. Choose the INCORRECT reason from the following.

A

The inertia of beam is very high

B

Warping process is irreversible

C

Buried end may result

D

Machine vibration can be minimised


(c) is the correct answer.

Ques 44 GATE 2010


Which of the following statements are NOT true?
(P) Ring spun yarns have higher fibre migration than DREF-2 friction spun yarns
(Q) The rotor spun yarns have uniform twist structure across the cross-section
(R) Air jet spun yarn is formed by fibre wrapping
(S) Minimum number of fibres required for a particular count yarn is higher for ring spun yarns as compared to rotor spun yarns

A

Q,S

B

P,R,S

C

P,Q

D

Q,R,S


(b) is the correct answer.

Ques 45 GATE 2010


Match the elements of Group I and Group II.

Group I Group II
P. Drafting waves 2. Spinning tension fluctuations
Q. Periodic faults 6. Eccentric bottom roller
R. Yarn hairiness 1. Spinning triangle
S. Wrapper fibres 5. Bridging fibres

A

P-6, Q-1, R-2, S-5

B

P-3, Q-6, R-1, S-5

C

P-4, Q-6, R-1, S-2

D

P-3, Q-5, R-1, S-6


(b) is the correct answer.

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