Organisation : Indian Institute of Technology Roorkee – IITR
Exam : GATE Exam
Paper : Textile Engineering and Fibre Science
Year : 2016
Document Type : Sample Question Papers
Website : http://www.gate.iitr.ernet.in/?page_id=258
Download Sample Question Paper : https://www.pdfquestion.in/uploads/8694-TF.pdf
GATE Exam Textile Engineering & Fibre Science Question Papers :
Q. 1 – Q. 5 carry one mark each :
Q.1 The chairman requested the aggrieved shareholders to _________________ him.
(A) bare with
(B) bore with
(C) bear with
(D) bare
Q.2 Identify the correct spelling out of the given options:
(A) Managable
(B) Manageable
(C) Mangaeble
(D) Managible
Q.3 Pick the odd one out in the following:
13, 23, 33, 43, 53
(A) 23
(B) 33
(C) 43
(D) 53
Q.4 R2D2 is a robot. R2D2 can repair aeroplanes. No other robot can repair aeroplanes. Which of the following can be logically inferred from the above statements?
(A) R2D2 is a robot which can only repair aeroplanes.
(B) R2D2 is the only robot which can repair aeroplanes.
(C) R2D2 is a robot which can repair only aeroplanes.
(D) Only R2D2 is a robot.
Q.5 If |9y-6| =3, then y2 -4y/3 is .
(A) 0
(B) +1/3
(C) -1/3
(D) undefined
Q. 1 – Q. 25 carry one mark each.
Q.1 The following partial differential equation 0 is of the type
(A) Elliptic
(B) Parabolic
(C) Hyperbolic
(D) Mixed type
Q.2 Which of the following is a multi-step numerical method for solving the ordinary differential equation?
(A) Euler method
(B) Improved Euler method
(C) Runge-Kutta method
(D) Adams-Multon method
Q.3 Let be a normally distributed random variable with mean 2 and variance 4. Then, the mean of is equal to ___________
Q.5 Which of the following amino acids is responsible for relatively higher wet strength in wool fiber?
(A) Threonine
(B) Serine
(C) Cystine
(D) Tryosine
Q.6 Which one of the following stereo structures of polypropylene is (are) used for commercial fibre manufacture?
(A) Atactic
(B) Syndiotactic
(C) Isotactic & Syndiotactic
(D) Isotactic
Q.7 Acrylic fibre has high glass transition temperature ( Tg ˜ 100oC) primarily due to
(A) Presence of polar side groups
(B) Presence of bulky side groups
(C) High crystallinity
(D) Main chain stiffness
Q.8 In which of the following polymerization methods the rate of reaction is very high and leads to uncontrolled polymerization ?
(A) Solution polymerization
(B) Suspension polymerization
(C) Bulk polymerization
(D) Emulsion polymerization
Q.9 Which of the following textile strands is the finest?
(A) 30s Ne
(B) 30 denier
(C) 30 tex
(D) 30s Nm
Q.10 In a carding machine, in which of the following zones the fibre alignment is negatively affected to the maximum extent?
(A) Cylinder to flats carding region
(B) Licker-in to cylinder transfer region
(C) Cylinder to doffer transfer region
(D) Doffer to calendar roller region
Q.11 Which of the following is the correct sequence of events which happen in a roller drafting zone?
(A) Fibre elongation-fibre decrimping- fibre sliding
(B) Fibre sliding-fibre elongation-fibre decrimping
(C) Fibre decrimping- fibre sliding- fibre elongation
(D) Fibre decrimping- fibre elongation- fibre sliding
Q.12 In which region of ring spinning, Coriolis force acts?
(A) Lappet to ring cop
(B) Delivery pair of drafting rollers to lappet
(C) Back pair of drafting rollers to delivery pair of drafting rollers
(D) Feed bobbin to back pair of drafting rollers
Q.13 Which of the following shuttleless weaving systems can offer maximum fabric width ?
(A) Air jet
(B) Water jet
(C) Projectile
(D) Rapier
Q.14 The filling yarn density at selvage is doubled in case of
(A) Fringe selvage
(B) Tucked-in selvage
(C) Shuttle selvage
(D) Leno selvage
Q.15 Which of the following shedding mechanisms provides control of individual warp thread during weaving ?
(A) Crank
(B) Tappet
(C) Dobby
(D) Jacquard
Q.16 The time required (minutes) to wind 10 kg of 40 tex yarn when the winding machine works at 1000 m/min with an efficiency of 90% is ____________
Q.17 The test statistic to be used for carrying out a test of hypothesis on the mean of a normal distribution with unknown variance is
(A) Z
(B) T
(C) 2
(D) F
Q.18 If the length of a confidence interval on the mean of a normal distribution with known variance is to be halved, the sample size must
(A) increase by 2 times
(B) decrease by 2 times
(C) increase by 4 times
(D) decrease by 4 times
Q.19. A sector-shaped, falling-pendulum type apparatus is suitable for measurement of
(A) Elmendorf tear strength
(B) Tongue tear strength
(C) Trapezoidal tear strength
(D) All of them
Q.20 Sodium persulphate is used in
(A) Bleaching
(B) Scouring
(C) Mercerization
(D) Desizing