Courses

# Textile Engineering And Fibre Science - TF 2015 GATE Paper (Practice Test)

## 65 Questions MCQ Test GATE Past Year Papers for Practice (All Branches) | Textile Engineering And Fibre Science - TF 2015 GATE Paper (Practice Test)

Description
This mock test of Textile Engineering And Fibre Science - TF 2015 GATE Paper (Practice Test) for GATE helps you for every GATE entrance exam. This contains 65 Multiple Choice Questions for GATE Textile Engineering And Fibre Science - TF 2015 GATE Paper (Practice Test) (mcq) to study with solutions a complete question bank. The solved questions answers in this Textile Engineering And Fibre Science - TF 2015 GATE Paper (Practice Test) quiz give you a good mix of easy questions and tough questions. GATE students definitely take this Textile Engineering And Fibre Science - TF 2015 GATE Paper (Practice Test) exercise for a better result in the exam. You can find other Textile Engineering And Fibre Science - TF 2015 GATE Paper (Practice Test) extra questions, long questions & short questions for GATE on EduRev as well by searching above.
QUESTION: 1

Solution:
QUESTION: 2

Solution:
QUESTION: 3

### Choose the statement where underlined word is used correctly.

Solution:
QUESTION: 4

Tanya is older than Eric.

Cliff is older than Tanya.

Eric is older than Cliff.

If the first two statements are true, then the third statement is

Solution:
QUESTION: 5

Five teams have to compete in a league, with every team playing every other team exactly once, before going to the next round. How many matches will have to be held to complete the league round of matches.

Solution:
QUESTION: 6

Q 6  - Q 10 carry one mark.

Select the appropriate option in place of underlined part of the sentence.
"Increased productivity necessary" reflects greater efforts made by the employees.

Solution:
QUESTION: 7

Given below are two statements followed by two conclusions.

Assuming these statements to be true, decide which one logically follows.

Statements:

1. No Manager is a leader.

2. All leaders are executives.

Conclusions:

1. No manager is an executive.

2. No executive is a manager.

Solution:
*Answer can only contain numeric values
QUESTION: 8

In the given figure angle Q is a right angle, PS:QS = 3:1, RT:QT = 5:2 and PU:UR = 1:1. If area of triangle QTS is 20 cm2, then the area of triangle PQR in cm2 is _______ (Important - Enter only the numerical value in the answer)

Solution:
QUESTION: 9

Right triangle PQR is to be constructed in the xy-plane so that the right angle is at P and line PR is parallel to x-axis. The x and y coordinates of P,Q and R are to be integers that satisfy the inequalities : -4 < x < 5 and 6 < y < 16. How many different triangles could be constructed with these properties?

Solution:
QUESTION: 10

A coin is tossed thrice. Let X be the event that head occurs in each of the two tosses. Let Y be the event that a tail occurs on the third toss. Let Z be the event that two tails occur in three tosses. Based on the above information, which one of the following statements is TRUE?

Solution:
*Answer can only contain numeric values
QUESTION: 11

Q. 1 – Q. 25 carry one mark each.

Q. If 3 and 4 are two eigen values of A = for some real numbers a, b, c, d, e, and f, then
the third eigen value of A is ________________

(Important - Enter only the numerical value in the answer)

Solution:
*Answer can only contain numeric values
QUESTION: 12

If a continuous random variable X has probability density function then the value of a is ________

(Important - Enter only the numerical value in the answer)

Solution:
*Answer can only contain numeric values
QUESTION: 13

The value of is __________________

(Important - Enter only the numerical value in the answer)

Solution:
*Answer can only contain numeric values
QUESTION: 14

If A = , then determinant of A−1 is __________________

(Important - Enter only the numerical value in the answer)

Solution:
*Answer can only contain numeric values
QUESTION: 15

The number of linearly independent eigen vectors of the matrix is ___________

(Important - Enter only the numerical value in the answer)

Solution:
QUESTION: 16

The gum in the raw silk filament is

Solution:
QUESTION: 17

For production of dry-spun acrylic fibre, the suitable solvent for dope preparation is

Solution:
QUESTION: 18

Adipic acid is a monomer for the production of

Solution:
QUESTION: 19

In melt spinning line, the melting of solid polymer and its homogenization takes place in

Solution:
QUESTION: 20

The blending technique that gives the most homogeneous mixing of fibres is

Solution:
QUESTION: 21

In a cotton comber, noil extraction increases

Solution:
QUESTION: 22

The bottom roller surface used for driving aprons in ringframe drafting system is

Solution:
QUESTION: 23

If the numerical value of yarn linear density expressed in Tex and that in English system is the
same, this value to the nearest integer is

Solution:
QUESTION: 24

Patterning is most likely to occur in

Solution:
QUESTION: 25

In cotton yarn sizing, the starch primarily acts as

Solution:
QUESTION: 26

Purl is a

Solution:
QUESTION: 27

The technology/ies used for producing SMS fabric is/are

Solution:
QUESTION: 28

Jigger CANNOT be used for

Solution:
QUESTION: 29

In the context of effluent discharge, BOD means

Solution:
QUESTION: 30

Milling is associated with the processing of

Solution:
QUESTION: 31

Dyed wool fabric standards are used for the evaluation of

Solution:
QUESTION: 32

The yarn tenacity (gf/tex) measured in lea form, compared to that measured in single yarn form is

Solution:
QUESTION: 33

The property that Kawabata Evaluation System (KES) DOES NOT measure is

Solution:
QUESTION: 34

On absorption of moisture, the thermal insulation of cotton fabric will

Solution:
QUESTION: 35

For meeting the criterion of number of defects in a product, the relationship between upper control limit (UCL) and upper specification limit (USL) should be

Solution:
*Answer can only contain numeric values
QUESTION: 36

Q. 36 – Q. 65 carry two marks each.

Q. The maximum value of is ____________

(Important - Enter only the numerical value in the answer)

Solution:
QUESTION: 37

Out of the following, the exact differential equation is

Solution:
*Answer can only contain numeric values
QUESTION: 38

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

(Important - Enter only the numerical value in the answer)

Solution:
QUESTION: 39

The normal vector to the surface at (1,1,1) is

Solution:
QUESTION: 40

Consider the analytical techniques in the Column I and the properties in Column II. Choose the correct alternative from amongst A, B, C, and D Solution:
QUESTION: 41

If Tg, Tm, and Tc represent the glass transition, melting and crystallization temperature, respectively, the correct relationship is

Solution:
QUESTION: 42

The correct sequence of unit operations employed in production of viscose rayon is

Solution:
QUESTION: 43

Consider the following assertion [a] and reason [r] and choose the correct alternative from amongst A, B, C, and D.

[a] After polymerization of caprolactum, thorough washing of polymer with water is necessary to remove unreacted monomer and its oligomers.

[r] Otherwise, hydrolytic degradation of polymer would occur during melt spinning.

Solution:
QUESTION: 44

Consider the fibres in Column I and the applications in Column II. Choose the correct alternative from amongst A, B, C, and D Solution:
*Answer can only contain numeric values
QUESTION: 45

Two polyester and six viscose rayon slivers of same count are blended on a drawframe. In the second passage, four slivers from first passage are further blended with two combed cotton slivers of the same count. The viscose (%) in the final sliver to the nearest integer is ___________

(Important - Enter only the numerical value in the answer)

Solution:
QUESTION: 46

In ring spinning, the tension in yarn is the maximum

Solution:
*Answer can only contain numeric values
QUESTION: 47

A core spun yarn of 30 tex is to be produced with 10% core by weight. If the cotton roving count is 540 tex, the required draft on the ringframe will be _____________

(Important - Enter only the numerical value in the answer)

Solution:
*Answer can only contain numeric values
QUESTION: 48

If the spindle speed of ringframe is 15000 rpm and the traveler speed at the maximum bobbin diameter of 50 mm is 0.8% less than that of the spindle. The yarn delivery rate (m/min), to the nearest integer, will be ___________

(Important - Enter only the numerical value in the answer)

Solution:
*Answer can only contain numeric values
QUESTION: 49

A rotor of 2 inch diameter is spinning a yarn of 16s Ne. If the twist multiplier is 5 and the fibre linear density is 0.1 tex, the average fibre flow through the transport channel, to the nearest integer, will be ____________

(Important - Enter only the numerical value in the answer)

Solution:
*Answer can only contain numeric values
QUESTION: 50

The groove drum in a random winder makes five revolutions for one double traverse. If the drum and package diameters are 10 cm and 5 cm, respectively, the wind per double traverse would be__________

(Important - Enter only the numerical value in the answer)

Solution:
QUESTION: 51

A 500-end double-lift, single-cylinder jacquard has

Solution:
*Answer can only contain numeric values
QUESTION: 52

A shuttle loom is running at 240 picks per minute. The angular velocity of bottom shaft in radian per second is nπ. The value of n is ___________________

(Important - Enter only the numerical value in the answer)

Solution:
*Answer can only contain numeric values
QUESTION: 53

A 51 mm long fibre has 6 % crimp. The crimped length of the fibre in mm is approximately

(Important - Enter only the numerical value in the answer)

Solution:
*Answer can only contain numeric values
QUESTION: 54

For a fully relaxed knitted fabric, the wale constant (Kw) and course constant (Kc) are 4.2 and 5.5, respectively. If the loop length is 0.5 cm, the loop density per cm2, to the nearest integer, would be
__________

(Important - Enter only the numerical value in the answer)

Solution:
QUESTION: 55

Consider the following assertion [a] and reason [r] and choose the correct alternative from amongst A, B, C, and D.

[a] Cross-laid needlepunched nonwoven fabrics demonstrate higher tensile strength in machine direction.

[r] In cross-laid nonwoven fabrics, the fibres are randomly oriented.

Solution:
QUESTION: 56

If [Cs] and [Cf] represent dye concentration in the bath and in the fibre, respectively, the isotherm for dyeing of polyester with disperse dyes is represented by the figure

Solution:
QUESTION: 57

A small hard particle is stuck in the doctor blade of a roller printing machine. The printing fault on the fabric, as a result of this, is represented by the figure

Solution:
QUESTION: 58

Consider the following assertion [a] and reason [r] and choose the correct alternative from amongst A, B, C, and D.

[a] Millions of shades can be produced through ink-jet printing with only four basic colours.

[r] The colours get mixed in appropriate proportions before jetting onto the fabric.

Solution:
QUESTION: 59

Consider the following assertion [a] and reason [r] and choose the correct alternative from amongst A, B, C, and D.

[a] Fluorochemicals impart very high water repellency.

[r] Fluorochemicals significantly reduce the surface energy of the treated substrate.

Solution:
QUESTION: 60

Consider the following assertion [a] and reason [r] and choose the correct alternative from amongst A, B, C, and D.

[a] In the context of foam finishing, the narrow size distribution of foam cells increases the half life of foam.

[r] The rate of coalescing and collapsing of foam cells is low in this case.

Solution:
*Answer can only contain numeric values
QUESTION: 61

For a typical yarn tensile test, force (F) in Newton and elongation (e) in cm are related as under

F = 2 + 4e + 3e2

If the yarn fails at an elongation of 3 cm, the work of rupture in N-m, accurate up to first decimal place is _____________

(Important - Enter only the numerical value in the answer)

Solution:
QUESTION: 62

Choose the INCORRECT statement from amongst the A, B, C, and D

Solution:
QUESTION: 63

The unique ability of woven fabric to drape in multiple curvatures is mainly due to

Solution:
*Answer can only contain numeric values
QUESTION: 64

The relationship between 50% span length of fibre (L1) and 2.5% span length of fibre (L2) for a given cotton variety is given by If standard deviation (SD) of L2 is 4 mm, that of the L1 , in mm, would be_____________

(Important - Enter only the numerical value in the answer)

Solution:
*Answer can only contain numeric values
QUESTION: 65

The correlation coefficient (r) between two variables is 0.9. The unexplained variation (%) is ______________

(Important - Enter only the numerical value in the answer)

Solution: