The thermal conductivity of polyester is............
The temperature at which the fibre nature transformation from glass to rubber is called
The co-efficient of expansion of nylon fibre is...............per degree C.
Fibroin is the major polymer of ..................fibre.
Pycnometer is used to measure .................of the fibre.
The suitable chemicals which are used for measuring the density of fibre by density gradient column are.............and..................
The density of acrylic fibre is
The terylene fibre have great birefringence due to
The birefringence value is zero for..................fibre.
The birefringence value of nylon is
The birefringence value of longer cotton fibre is
The lustre of the synthetic fibre................while mixing the titanium dioxide in its dope.
Upon thermal treatment of synthetic fibres amorphous orientation......and crystalline regions changes from ..........to............
Time dependant elongation of thermoplastic fibres are regarded as
If a fibre obeyed Hooke's law, the load-elongation curve would be a
Which one of the following equation is used to calculate the work factor ?
For fibres, with respect to creep, the primary creep is
Among the following fibres, which one is having higher sheers modulus ?
The unit for specific flexural rigidity is
The zone of the extruder in which mostly melt is homogenized and has a drag flow is
The POY polyester yarn is produced in the range of
Among the following given fibres, the crystallintyis developed while spinning at a speed of 3000 m/min under normal moisture containing environment for
The most widely used method of polymerisation for production of acrylic polymer is
Which one of the following statement is not correct about acrylic fibre ?
Acrylic fibre is popularly produced through ...........spinning
Choose the correct match of the following :
Which of the following polymer type can be used for fibre formation
Cleaning efficiency of step cleaned is 60% and monocylinder cleaner is 70%. If 100 kg cotton with 6% trash is fed in these two machines in series (firol in step cleaner and then in monocylinder cleaner), what would be the trash % in the cotton after passing through these two machines.
If two yarns each of 40 Ne count is twisted together, the resultant count would be
The increase in traveller weight leads to an increase in
For woolen and worsted spinning system, the type of ring used is
Soft covering of top rollers in ring frame leads to
During the bobbin winding in a roving frame, the bobbin rotation rate must be...........while the increase in the package diameter.
The range of draft required to convert the silver into yarn is
Usually the wire print density of top comb is
For producing semi combed yarn, the percentage of noil removed by the combing process is
In which of the following shuttle loom the possibility of oil stain on fabric is more
Fast reed mechanism is mostly preferred for weaving
Which of the following dobby is used in high speed shuttle less weaving machine ?
In torsion bar mechanism, the twisting length of the torsion bar is around
In case of mechanical cleaner, if the 64 tex yarn requires 0.3 mm gap, what will be the gap required for 16 tex yarn ?
The 'draw warping' process is mainly used for
The huck-a-back design is mostly suitable for.........application.
Which of the following woven structure gives maximum amount of support to the adjacent threads ?
Peg plan in point paper representation of weave design is used for
Match the following :
With a standard 7 wheel takeup, 27 T standard wheel is available instead of 36T. Calculate the teeth of change wheel to be used to give 64 picks per inch.
To achieve uniform hydraulic loading and BOD, the effluent is kept in holdiing tank. This process is called
Ratio of tenacity of yarn in gf/tex measured in lea form to single yarn form is
If the numerical value of yarn linear density expenses in tex and that in English system is the same. This value to the nearest integer is
The property of fibres that HVI does not mean is
Following technique is used for sample collection from raw cotton for testing
The unit of shear rigidity expressed in KES-F system is
The second scale in the quadrant balance is used to read the count of
In the case of fully matured cotton crops, the difference between rod like fibres and dead fibres in a group of 100 fibres is
Which of the following cotton fibre property is determined by using gravimetric method ?
.............sampling method is used to determine the wool substances i.e. grease, vegetables matters and moisture.
A formulator adds 200ml of water to 1000 ml of silicon emulsion whose solid content is 45%. The % solid content of the diluted silicone emlsion is
Flip-flop mechanism is associated with ...........finish.
Mercerization of cotton does not result in
Which one of the following statements is incorrect about disperse dye ?
Which one of the following is not 'True' regarding light fastness of textile substrates ?
The ideal pH to get efficient wash down property of Indigo dyed yarn is
Direct dyes are most preferably dyed at pH of
For scouring of wool, the most preferred agent is
The enzyme that can be used to remove residual peroxide after bleaching is
In...............style of printing, the fabric is first dyed with suitable method followed by printing with print paste containing reducing agent.
In a plain circular knitting machine, when the latch needle reaches the tuck-in-position, the loop in the needle
Under the normal knitting conditions, the stroke length of compound needle is............times of latch needle stroke length.
'French Seam' is a subclass of
Which of the following stitch is preferred for button holing process ?
While sewing woven apparels, the seam thickness decreases with
Which of the following is not the factor of woven fabric seam puckering ?
The over-lock sewing machine may run upto........rpm.
'Whipping' operation is carried out after............operation
Ratio of the single yarn strength of same count sewing yarn to the fabric yarn.
The choice of sewing thread for a 67/33P/C blend is
Following ..........fibre and ...............structure combinations can be preferred for vegetable packing.
The three essential property requirements for geo textile applications are
..................polymer fibre is suitable for making air bag fabrics
The bonding in incontinence products is mostly done by
Identify the 'Incorrect' statement about hydro entanglement process.
Velour fabrics are produced using
The fibre suitable for bonding of fibres by melting in non-woven is
Air bags are preferably made of
Inflators primarily made of sodium azide upon combustion produces
Which of the following needles is used in Raschel warp knitting machine ?
While testing tensile property of yarn in a variable material, the breaking load will be
Which one of the following is a simulation models of the tools of management studies ?
It is one of the example for direct material cost in a textile industry.
Interest on bank deposit is an example for .................income that appear on P & L account.
It denotes continuous improvement in a textile industry.
Normally this type of concept is practiced with unsought goods.
When the electrical field parallel to the fibre axis, the refractive index will be
Tertiary treatment of textile effluent
The dye house effluent of cotton dyeing industries has a pH of
Among the following process, colour can be removed to a maximum extent in
TGA is used for the purpose of elucidating any one of the following fibre properties
First order transition temperature of Nylon 6 fibre is
Degree of order in a semi-crystalline fibre is determined by the following equation (where ρc, Sa and ρ1 represent densities of 100%crystlline, 100% amorphous and semi crystalline fibre, respectively) in density gradient measurement principle
Fibre that is soluble in 5% NaOH at boil but not in 60% HCl is
Average helix angle of Fibrils in bast fibres compared to those in cotton fibre is
Percentage of crystalline and amorphous regions in cotton fibre is
Coir fibre is classified as natural cellulosic........fibre.
XRD study is used to
The crystalline percentage of unoriented nylon is
The length of the molecule of regenerated cellulose is
In native cellulose fibres, the chains are composed of about ...............glucose rings.
Which one of the following is a simplest linear polymer ?
Nylon is a ......fibre.
Lustre of silk is because of
With increase in moisture regain the electrical resistance of textile fibres
The rate of frame propagation for textile fabric is
The decomposition temperature of silk is
Among the following fibre, which is most troubled fibre by static changes during the process ?
The electrical resistance of fibres................on the temperature
The dielectric constant of wool is lower due to
The breaking load of a 200 denier multifilament yarn containing 130 filaments found to be 800 gram force. Its tensile strength in gram force/denier is
The crystallisation rate is maximum for
......................method can be used to measure degree of set
......................fibre is more susceptible to oxidative and radiation induced degradation even at room temperature
Surging defect in yarns occurs in false twist texturising due to variation in
Drawing of synthetic filament does not lead to an increase in
Crimp cutting of synthetic filaments are done for
A filament yarn of 300 denies is being spun at a take up speed of 1200 m/min. Assuming the density of the melt as 1.2 g/cm3, the throughput speed of 1200 m/min. Assuming the density of the melt as 1.2 g/cm3, the throughput speed (cm3/min) at the spinneret would be
In the context of viscose fibre production, choose the correct statement
Identify the condition which is not 'TRUE' for a material to show rubber like properties
The glass transition temperature of nylon 6 is
The as spun polypropylene fibre is...................crystal form
In cotton combing, oil extraction increases
The combing force increases with
Front top roller of a drafting system would normally arranged (when looked from the front side as the drafting system) on the front bottom roller with
The blending technique that gives homogeneous mixing of fibre is
The yarn relationship between yarn diameter and twist is
For fines silvers, what is the relation between the diameter of trumpet bore (d) and linear density in tex ?
The fibres in card silver are relatively
The approximate number of fibres in a card silver in between ..........and ............
If a ring yarn produced from a roving with a CV value of 4% has an uneveness of CV = 13.6%, then the CV added by the ring spinning process is
In drum winding machine, as the package diameter increases
Dobby shedding mechanism control upto..........heald frames than tappet shedding mechanism.
In case of multi phase, weaving, the maximum weft insertion rate is around
Tip bunch in the pirn is given for
40 S yarn cone package fixed in the warpe's creel has a yarn mass of 1.5 kg. If the warper's beam are produced for a warp length of 7800 m, calculate number of doffs for which the cone will supply the yarn.
Sley eccentricity 'e' is given by...........where 'r' = radius of crank and 'l' is length of connecting rod.
Type of shed formed in single lift single cylinder jacquard loom is
Calculate the number of ends per inch in a reed of 3/64 stock port
Pineapple is a .....................fibre.
Find out the equivalent worsted count of yarn, if the yarn is having 20 tex.
Expand AFIS
The mean range of the count test results on a 50s cotton yarn is 3.4. Four bobbins are tested in each sample. Calculate the percentage mean deviation.
The property that Kawabata Evaluation System (KES) does not measure is
The FAST system is used to measure the properties of fabric which affects..............of the fabric.
Which of the following fabric will break first during hydraulic bursting strength tester ?
The woven fabric air permeability is expressed in
Which of the following one is considered as the main disadvantage of the lea-strength tester ?
The Pressley index is the ratio between
Printing of Polyester (PET) with disperse dye
Printing paste has the property of
Batch dyeing machine
In the case of reactive dyeing of cotton, the exhaustion is 80% and the reaction efficiency is 80%. Assuming that the initial dye concentration is 2% on the weight of fabric. The amount of un-reacted dye on the fabric expressed as percentage of fabric weight would be
Match the following dye fibre combinations :
Knitted fabrics are commonly dyed in
Freundlich isotherm is applicable to
Sanforized fabric relates to
The dry curing of crease proofed cloth for short duration at elevated temperature compared to 'wet curing' for long duration at low temperature results in
Which one of the following does not come under 'saturation'-removal type of low wet pick up applicator for a finishing agent ?
In case of circular plain knit fabric the number of courses per design repeat indicates
The circular weft knitting machine that rotates in clockwise direction demands 'z' twist yarn that 's' twist yarn because 'z' twist yarn
In bearded needle tricot knitting machine, the needle bars have...............movement.
Which of the following fabric spreading factor is depends on the fabric type and pattern shape ?
The fine edge bladed straight knife cutting machine is preferred to cut
Which of the following sewing thread package is mostly used for high speed sewing machine ?
The period of merchandising cycle in the merchandising process is around ...................week.
During the loop formation, when the new loop emerges through the old loop from back to the face side, it is called
Visual merchandising is one of the activity of
It refers to the number of stock keeping units within a merchandise category, group or department.
For industrial ropes which of the following property should be considered ?
Ratio of tensile strengths of woven and non-woven fabrics of GSM same would be
Which of the following can be classified under wet bonding method ?
For a fibre density of 0.5-1.5 (Denies) the preferred needle gauge for usage in needle punching is
In the following non-woven production process, very high voltage (kV) is applied for production of fibres in
The formation of three dimensional pile on the surface of a non-woven backing is
Which one of the following statement is not 'True' regarding filtration ?
The frictional resistance of a geo textile can be tested by
The pore radius of a filter by bubble point cannot be calculated using the parameter
The fatigue resistance of cord fabric materials is high for
A fibre should be selected for making filter to separate gases containing SO2 with moisture. The fibre that can be selected is
Among the following treatment process 90% of BOD of effluent can be reduced by
..................is an prerequisite when the waste is subjected to secondary anaerobic treatment.
Which one of the following is a coagulation-aid ?
The ratio of the fabric area covered by the yarn to the total fabric area is called
In a yarn manufacturing process, the cleaning index of a machine is defined as
Where DF = the direct content of the feed material
DD = the direct content of the delivered material.
The minimum number of fibres required for a yarn cross section is
Which one of the following equation is used to convert observed time into normal time in time study ?
To calculate the cost/kg of yarn, which equation is used to calculate the raw material cost ?
Where C = fibre cost/kg
g = yarn realization
P = Price realised for wastes/kg of fibre
In a modern mill, what is the units consumed by ring frame for producing 100 kg of 40 Ne yarn ?
Which one of the following is a variable cost ?
It deals with job simplification in an industry.
Winding angle 'θ' of random winding is given by