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    LIMITED DEPARTMENTAL COMPETITIVE EXAMINATION 2012

    FOR THE POST OF JUNIOR WORKS MANAGER

    QUESTION PAPER

    Subject Code : 06

    Subject : Clothing Technology

    DATE:

    14 8 2 12

    TIME:

    0900 hr to 1200 hr

    Max Marks: 100

    INSTRUCTIONS:

    Please read following instructions carefully before writing the

    Examination:

    1. Use black dot pen only to Fill the space/circles and Fill the Circles completely

    2,

    Fill up the Roll Number, Subject Code and Question Paper Set in the space provided by

    filling the appropriate circles in the columns

    3. The Roll No, Subject code should also be written In numbers/ alphabet in the boxes

    provided.

    4. The space for answers is enclosed within the bold black margin on the answer sheet.

    5. Marking done on the answers in the Question Paper will not be considered for

    evaluation.

    6. All questions carry

    1 mark

    each.

    7 0 25 Marks will be deducted for wrong answers

    8. Multiple answers for the same question will be considered as invalid.

    9. Scientific calculators and/or cell phones are not to be used.

    10. Complete set of Question Paper

    &

    Answer Sheet is to be returned back to Invigilator.

    Only Answer Sheets wi ll nei ther be accepted nor evaluated

    11. Blank sheet has been provided at the end of the Question Paper for rough work, if any.

    12. If any question is found wrong in printing, full credit shall be given for the said question.

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    1 Which is the additive used for coating PVC on textiles

    a) Benzene

    b) Blend of Methanol and MEK

    c) Di-Octyl phathalate

    d) Di methyl formamide

    2 During length measurement on Fibrograph, 2.5 span length was found to be 25 mm. It

    means

    a. 2.5 of fibres clamped are 25 mm in length

    b. 2.5 of fibres clamped are longer than 25 mm

    c. 2.5 of fibres clamped are 25 mm or longer

    d. 2.5 of fibres clamped are less than 25 mm

    3 Function of draw frame is:

    a) Drawing the fibre strand

    b) Attenuation of the fibre strand

    c) Both

    d) None

    4 Drawing of fibres is carried out to increase

    a) Crystalline region

    b) Amorphous region

    c) molecular orientation

    d) Both a and c

    5 Among the following, fastest method of converting yarn into fabric is

    a. Weaving

    b. Weft Knitting

    c. Warp Knitting

    d. All are equal

    6 Which operation is eliminated in open end spinning

    a) Ginning

    b) Roving frame

    c) Carding

    d) Drawing

    7 Which is the direct system of yarn count

    a) The cotton system

    b) Worsted system

    c) Tex System

    d) All are direct

    8 Textile yarn and Textile Fabrics cannot be manufactured from Human Hair due to main

    reason

    a. Human Hairs are black

    b. Human Hairs are shorter in length

    c. Human Hairs are weaker in strength

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    d. Human Hairs are not having crimp.

    9 The long groove of the needle helps in

    a) Guiding the swing thread into the fabric

    b) Moving the fabric forward

    c) Controlling the stitch length

    d) For gripping the fabric

    10 FAST is a system to determine

    a. Fastness properties of fabric

    b. Strength of fabric

    c. Handle and performance properties of fabrics

    d. Air Permeability

    11 A 100 wool, black and white striped woven fabric is to have identical colours design on

    both sides of the fabric. Which is the most suitable colouration technique to produce the

    striped design

    a. Transfer printing

    b. Digital printing

    c. Piece dyeing

    d. Yarn dyeing

    12 Crystallinity of textile fibre can be increased by

    a) Applying stress

    b) Applying heat

    c) Both b&c

    d) Applying humidity

    13 Weighting of silk fabrics is generally done with the help of

    a. Copper

    b. Iron

    c. Aluminium

    d. Tin

    14 Pucker is the defect related to which operation

    a. Spinning

    b. Weaving

    c. Dyeing

    d. Garment Sewing

    15 Ziegler-Natta Catalysts is used for manufacturing of

    a) Polypropylene fibre

    b) Acrylic fibre

    c) Modacrylic fibre

    d) Carbon fibre

    16 Polyester is spun by

    a) Wet spinning

    b) Dry spinning

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    c) Gel Spinning

    d) Melt spinning

    17 Most common dry cleaning agent is

    a) Methanol

    b) Acetone

    c) Formaldehyde

    d) Per ethylene chloride

    18 Ball warping is mainly used in the manufacture of

    a) Terry towel

    b) Narrow fabric

    c) Denim

    d) 3D fabric

    19 Fibre is characterized by

    a) Length> 100 (Diameter)

    b) Length> 10(Diameter)

    c) Length

    (Diameter)

    d) Length ~50 (Diameter)

    20 What type of dyes are used for dyeing acrylic fibre

    a) Acid dyes

    b) Basic dyes

    c) Reactive dyes

    d) Vat dyes

    21 Which of the following fabric property is closely related to fabric drape

    a. Flexural Rigidity

    b. Air Permeability

    c. Bending Length

    d. All are not related to Drape

    22 Felting of wool is a

    a) Irreversible process

    b) Reversible Process

    c) Depends on the process

    d) None of these

    23 Intermingling is a process associated with

    a) Spun yarn

    b) Continuous filament yarn

    c) Jet dyeing

    d) Discharge printing

    24 Heat of absorption of a textile material can be defined as

    a) Heat evolved when 1 gm of water is absorbed by an infinite mass of material at a

    given moisture regain

    b) Heat absorbed when 1 gm of water is absorbed by an infinite mass of material at a

    given moisture regain

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    c) Heat evolved when 1 gm of water is absorbed by 1 gm of material at a given moisture

    regain

    d) Heat absorbed when gm of water is absorbed by gm of material at a given

    moisture regain

    25 Which of the following statement is not correct about ASSEMBLY LINE SEWING SYSTEM

    compared to MAKE THROUGH SYSTEM

    a. In assembly line, there is standardization of production.

    b. In assembly line, there is consistency in quality

    c. In assembly line, there is less WIP (Work in process)

    d. In assembly line, generally huge quantity of order is preferred.

    26 Colour fastness to light is measured in which light source

    a) Tungsten

    b) Helium

    c) Xenon

    d) Argon

    27 Density of wool fibre in g/cm3 is

    a. 1.52

    b. 1.31

    c. 1.39

    d. 1.10

    28 If T is the thermal insulation of each layer of fabric, the thermal insulation of the two layers of

    the fabrics together will be

    a. Greater than 2T

    b. Equal to 2T

    c. Less than 2T

    d. Depends on fabric structure

    29 In tri-axial fabric the angle between individual yarn is

    a) 45degree

    b) 60 degree

    c) 90 degree

    d) 30 degree

    30 Identify the most suitable fabric for use on outdoor furniture.

    a) Cotton fibre, carded yarn and twill weave fabric

    b) Nylon fibre, staple spun yarn, warp knit fabric

    c) Polyester fibre, filament yarn and plain weave fabric

    d) Viscose rayon fibre, filament yarn and satin weave fabric

    31 The problem of fabric entering the needle hole with needle called

    a) Flagging

    b) Penetration

    c) Plate chocking

    d) Plate blocking

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    32 Degree of polymerization of Flax fibre is

    a 6000

    b

    12000

    c.

    18000

    d 24000

    33 Which of the following pairs of colours is an example of complementary colours?

    a) Blue-violet

    b) Yellow-violet

    c) Red-orange

    d) Blue-green

    34 Which of the following textile items can be best used as a Filtering material

    a. Woven Fabric

    b. Non-Woven Fabric

    c. Warp Knitted Fabrics

    d. Weft Knitted Fabrics

    35 Immaturity ratio or maturity ratio is related with

    a) Silk

    b) Ramie

    c) Cotton

    d) Jute

    36 Pilling property in fabric surface increases with

    a. Increase in length of fibre in the yarn

    b. Increase in yarn twist

    c. Decrease in inter fibre friction

    d. Decrease in fibre strength

    37 What type of cutting knife is used when higher standard of cutting accuracy is required

    a) Straight knife

    b) Round knife

    c) Band knife

    38 Bursting strength is measured for which of the items

    a) Lining cloth

    b) Fabric for trousers

    c) Knitted fabrics

    d) None of these

    39 Class 300 stitches include

    a) Lockstitches

    b) Chain stitches

    c) Hand stitches

    d) Covering chain stitches

    40 Which chemical is used for mercerization of cotton

    a) Sodium hydroxide

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    b) Sodium Chloride

    c) Hydrochloric acid

    d) Sodium perborate

    41 Sublimation Transfer printing is most suitable for

    a. Cotton

    b. Viscose

    c. Silk

    d. Polyester

    42 How many types of stitches classes have been identified in the British standard

    a)

    b 6

    c) 8

    d 1

    43 Classimat faults include

    a) Thick and thin places

    b) Neps

    c) Fault length

    d) A of these

    44 Which spinning system will result in least hairy yarn

    a) Ring spun

    b) Open end yarn

    c) Compact spinning

    d) Dref spinning

    45 Among the following, strengthlWeight ratio is highest for

    a. Steel

    b. Nylon

    c. Kevlar

    d. Polyester

    46 Textile fabrics are generally

    a. Isotropic

    b. Anisotropic

    c. Both

    d. None of these

    47 What is

    T

    Cotton

    a) High strength cotton

    b) High length cotton fibre

    c)

    Geneticalty

    Modified Cotton

    d) Naturally Coloured Cotton

    48 Dope is a term used for manufacturing which fibre

    a) Polyester

    b) Nylon

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    c) Acrylic

    d) None of these

    49 Among the following, naturally extruded fibre is

    a. Wool

    b. Cotton

    c. Hemp

    d. Silk

    50 Bleaching of textiles with sodium hypochlorite is carried out due to formation of

    a) Perchlorous acid

    b) Chlorous acid

    c) Hypochlorous acid

    d) Hydrochloric acid

    51 Which is the most suitable fibre, yarn and fabric structure for sports socks

    a. Nylon, Filament, Single Knit

    b. Rayon, Staple Yarn, Tricot Knit

    c. Cot ton, Filament, Double knit

    d. Cotton, Staple yarn, circular knit

    52 Human body has been divided into how many portions in tailoring

    a)

    b)

    10

    c)

    12

    d)

    14

    53 Spin finish is applied to textiles for

    a) Imparting lubrication

    b) As an antistatic finish

    c) For cohesion

    d) All the three

    54 When we say, tex of a yarn is 250, it means:

    a) Weight of 1000 mts of yarn is 250 gms

    b) Weight of 1000 mts of yarn is 250 Ibs

    c) Weight of 9000 mts of yarn is 250 gms

    d) Weight of 9000 mts of yarn is 250 Ibs

    55 MODAL is a type of

    a) Acrylic fibre

    b) Viscose fibre

    c) Carbon Fibre

    d) Silicon carbide fibre

    56 If each hydroxyl group of a cellulose molecule in a cotton fibre is attached with water

    molecule through hydrogen bond, then the moisture regain will be

    a) 66.33

    b 50

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    c)

    100

    d) 33.33

    7

    Critical micelle concentration (CMC) is a term associated with

    a) Dyes

    b) Surfactants

    c) Printing

    d) Coating

    58 A good spliced joint of a ring spun cotton yarn is

    a) As strong as the parent yarn

    b) Stronger than the parent yarn

    c) 80 to 90 as strong as the parent yarn

    d) Half as strong as the parent yarn

    59

    As the twist in the yarn increases, the air permeability

    a) Decreases

    b) Increases

    c) No change

    d) None of these

    60 Commonly used fabric inspection system is

    a) One point system

    b) Two point system

    c) Three point system

    d) Four point system

    61 Nylon is made by

    a) Melt spinning

    b) Solution spinning

    c) Both a and b

    d) None

    62 In the first wash, the colour from a green shirt bleeds onto a white pillow case. Which step of

    dying process has mostly contributed to this fault.

    a. Absorption

    b. Agitation

    c. Fixation

    d. Migration

    63

    In the manufacturing of rayon fibres which chemical is used as xanthating agent:

    a) CO

    2

    b) Hcl

    c) CS

    2

    d) Naoh

    64 Dichroic ratio can be used as a measure of

    a) Fastness properties

    b) Molecular orientation

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    c) UV protection

    d) Melting point

    65 Silicon compounds are generally used for

    a) Wash and wear finishes

    b) Flame retardant Finishes

    c) Water repellant finishes

    d) Durable press finishes

    66 Evenness testing of yarn is measured using

    a) Thermal properties

    b) Tensile properties

    c) Dielectric property

    d) Moisture regain properties

    67 HALS are used for

    a) UV protection

    b) Protection from organic solvents

    c) Protection from alkalis

    d) Protection from acids

    68 Which material is used for making bullet proof jacket

    a) Polyester

    b) Kevlar

    c) Nylon

    d) PVA

    69 Which spinning system is most suitable for production of industrial yarns and for spinning

    from recycled fibres

    a. Ring spinning

    b. Rotor Spinning

    c. Friction Spinning

    d. Air jet Spinning

    70 Which of the following is the best textile material for use in Airbags?

    a) Cotton

    b) Polyester

    c) Viscose

    d) Nylon

    71 When twist in a spun yarn increases, its strength

    a) Increases

    b) Decreases

    c) First increases then decreases

    d) None of these

    72 Dimethylol dihydroxy ethylene urea is used to improve

    a. Crease resistance of cotton

    b. Flame resistance of nylon

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    c. Softness of polyester

    d. Soil release

    73 CIELAB is related to

    a. Length

    b. Fineness

    c. Strength

    d. Colour

    74 Polyvinyl alcohol fibres find application in

    a) Space textiles

    b) Woven textiles

    c) Medical textiles

    d) Filteration based industrial textiles

    75 Which of the fibre will have highest tendency to generate static electricity:

    a) Nylon

    b) Polyester

    c) Acrylic

    d) Polypropylene

    76 Togmeter is used to measure

    a) Fabric Strength

    b) Thermal Insulation

    c) Electrical Insulation

    d) Moisture Content

    77 Rot Proof finish is given to

    a. Cotton

    b. Polyester

    c. Nylon

    d. Acrylic

    78 Which of the following fabric would be produced using warp knitting and mutifilament yarn.

    a. Double Knit

    b. Interlock

    c. Single Knit Jersey

    d. Tricot

    79 Loop strength will be lowest under which condition

    a) When elongation at break is lowest

    b) When elongation at break is highest

    c) Not related to elongation at break

    d) Partially related to elongation at break

    80 Amphoteric surfactants used in textile industry are

    a) Cationic

    b) Anionic

    c) Carries both anion and cation

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    d) Neutral

    81 Flexural modulus of a fabric decides

    a) Drape

    b) Feel

    c) Crease resistance

    d) Both (a )and ( c )

    82 'Batik' printing is carried out using

    a. Direct style

    b. Discharge style

    c. Resist style

    d. Transfer printing

    83 Polyvinyl alcohol (PVA) is used for sizing

    a. Cotton yarn

    b. POlyester/Cotton blended yarn

    c. Spun viscose rayon yarn

    d. All of the above

    84 Biased cutting is preferred in applications where requirement is of

    a) Higher strength

    b) Higher elongation

    c) Ease of cutting

    d) Ease of stitching

    85 Flouro carbon based compounds are used for imparting which finish in the fabric

    a) Water repellant

    b) Anti-microbial

    c) Fire retardant

    d) Anti-crease

    86 Gauge of a knitting machine is

    a. Number of needles/inch on the machine

    b. Distance between two neighboring needles on the machine

    c. Total number of needles on the machine

    d. Total length of the machine

    87 Phosphorous based compounds are added to fibre to make it

    a) Water repellent

    b) Flame retardant

    c) Soil resistant

    d) Antistatic

    88 Which fibre is not ffe ted by sunlight

    a) Acrylic

    b) Nylon 6,6

    c) C) Polyester

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    d) Polyvinylidene Fluoride

    89 In semi worsted system of spinning which operation does not exist:

    a) Carding

    b) Combing

    c) Speed frame

    d) Ring frame

    90

    Rip stop weave is used in parachute application for which specific property

    a) Resistance to tear propagation

    b) Higher breaking strength

    c) Higher crease recovery

    d) Higher compressional recovery

    91

    Which of the following combination is incorrect

    a. CAD CAM : Digitizing

    b. Garment Technology : Eight Head Theory

    c. Weaving Machine : Fluid Jet

    d. Cotton Spinning : Gill Boxes

    92 Which of the properties of synthetic fibres has been enhanced by the introduction of micro

    fibres

    a. Abrasion Resistance

    b. Dimensional Stability

    c. Drapability

    d. Heat Resistance

    93 In Garment Manufacturing, grain line represents

    a. Warp

    b Weft

    c. Biased Direction in the fabric

    d. None of these

    94 The strength of yarn composed of several fibres will be

    a) Greater than sum of strength of individual fibres

    b) Less than sum of strength of individual fibres

    c) Equal to sum of strength of individual fibres

    d) None of these

    95 Type of selvedge formed on Sulzer projectile loom is

    a. Conventional

    b. Fringe

    c. Tucked in

    d. Sealed

    96 Which material will have highest flame retardancy:

    a) Modacrylic

    b) Polyester

    c) N.ylon

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    d) Acrylic

    97 Sanforising helps to gain shrinkage values of which range

    a)

    0.5-1

    b) 1.5-2

    c) 2.5-3

    d) 4-5

    98 For a given Yarn Count and Fibre Length, the Fine Fibres will produce

    a) More hairiness

    b) Less hairiness

    c) Equal hairiness

    d) Can't be predicted

    99 Main aim of the texturizing is to

    a) Increase Abrasion Resistance

    b) Increase lusture

    c) Bulk and stretch

    d) Absorbency

    100 Which of the following yarn and fabric structure would best maximize the heat retention of

    microfiber blanket?

    a. A core spun yarn in a plain weave

    b. A textured monofilament yarn in a warp knit

    c. A low twist level staple yarn in a pile weave

    d. A high twist level, multifilament yarn in a weft knit

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