TECHNICAL ASSISTANT – KHADI – KERALA KHADI AND VILLAGE INDUSTRIES BOARD

FINAL ANSWER KEY
Question Paper Code: 33/2016/OL
Category Code: 235/2015
Exam: Technical Assistant
Medium of Question: English
Date of Test 15-03-2016
Alphacode A
Question1:-In weft knitting loop length controlled by
A:-Clearing cam
B:-Guard cam
C:-Stitch cam
D:-Raising cam
Correct Answer:- Option-C
Question2:-A non-ionic dye which is relatively insoluble in water at room temperature
A:-Disperse dye
B:-Vat dye
C:-Sulphur dye
D:-Reactive dye
Correct Answer:- Option-A
Question3:-Mercerisation of the linen help to minimize the
A:-Decrease in resistance to abrasion
B:-Increase in resistance to abrasion
C:-Decrease in resistance to crease
D:-Increase in resistance to crease
Correct Answer:- Option-A
Question4:-The type of polymerisation used for the production of polyacrylonitrile is
A:-Poly condensation
B:-Addition polymerisation
C:-Radical addition polymerisation
D:-Radical condensation polymerisation
Correct Answer:- Option-C
Question5:-For a 1/3 twill weave, which will take least heald shaft movement
A:-Centre closed shed
B:-Bottom closed shed
C:-Semi open shed
D:-Open shed
Correct Answer:- Option-D
Question6:-Flex, jute and ramie fibres are belongs to the family of
A:-Leaf fibre
B:-Fruit fibre
C:-Hair fibre
D:-Bast fibre
Correct Answer:- Option-D
Question7:-In an air jet weaving machine, propelling force generating for insertion of weft yarn is not depend on the
A:-Strength of yarn
B:-Length of yarn
C:-Diameter of yarn
D:-Velocity of yarn
Correct Answer:- Option-A
Question8:-In finishing process combination of nitrogen and phosphorus compounds used for
A:-Water proofing
B:-Anti microbial agent
C:-Flame retardant
D:-Antistatic agent
Correct Answer:- Option-C
Question9:-Thinnest yarn fault in classimat among the following is
A:-`D_4`
B:-B
C:-`H_1`
D:-`I_2`
Correct Answer:- Option-D
Question10:-Pressure bar provided in a draw frame drafting for
A:-reduce the pressure on the fibre assembly within the drafting zone
B:-reducing the drafting wave
C:-increasing the uniformity of silver
D:-increasing the pressure on the fibre assembly within the drafting zone
Correct Answer:- Option-A
Question11:-Most of the seed coat particles are removed effectively in
A:-carding
B:-blow room
C:-comber
D:-spinning
Correct Answer:- Option-A
Question12:-Which of the following yarn is finest?
A:-10 Ne
B:-10 Tex
C:-100 Ne
D:-100 Tex
Correct Answer:- Option-C
Question13:-The fibre which hasa mineral origin
A:-Asbestos
B:-Silk
C:-Flex
D:-Acrylic
Correct Answer:- Option-A
Question14:-The difference between the cost price and selling price
A:-MRP
B:-Mark Up
C:-Market price
D:-Profit
Correct Answer:- Option-B
Question15:-The operation of twisting of long silk filament yarn called
A:-Degumming
B:-Weighting of silk
C:-Throwing of silk
D:-Winding of silk
Correct Answer:- Option-C
Question16:-Stifling of silk is the process of
A:-Cocoons placed in 1% soap solution at 90°C
B:-Grading of cocoons for good quality
C:-Unwinding long continuous yarn from the cocoons
D:-Killing moth inside the cocoons by a steam or hot water
Correct Answer:- Option-D
Question17:-Design used for denim fibre
A:-3/1 twill
B:-1/2 twill
C:-2/2 twill
D:-1/3 twill
Correct Answer:- Option-A
Question18:-A silk fabric constructed with a weft sateen figure on a warp satin or twill or plain ground called
A:-Brocade
B:-Georgette
C:-Muslin
D:-Damask
Correct Answer:- Option-D
Question19:-Which is not a function of geo textile?
A:-Separation
B:-Filtration
C:-Drainage
D:-Protection
Correct Answer:- Option-D
Question20:-The fibres not used for the production of military protective clothing
A:-Aramids
B:-Kevlar
C:-Carbon fibres
D:-Polyurethane
Correct Answer:- Option-D
Question21:-The most suitable weave for ballistic protective clothing is
A:-plain weave
B:-satin weave
C:-twill weave
D:-basket weave
Correct Answer:- Option-A
Question22:-What are the primary colours in pigment theory?
A:-Red, Green Blue
B:-Yellow, Green, Blue
C:-Blue, Yellow, Red
D:-Red, Yellow, Blue
Correct Answer:- Option-D
Question23:-The weave that produce longitudinal warp line in the cloth with fine sunken lines in between is called
A:-Repp weave
B:-Pique
C:-Bedford cord
D:-Twill weave
Correct Answer:- Option-C
Question24:-Function of positive feed in knitting is
A:-Yarn tension compensating device
B:-To alter the stitch length
C:-Regulate the amount of yarn feed
D:-Minimizing the yarn waste
Correct Answer:- Option-C
Question25:-If the needle is not raised and does not receive the new feed yarn, a loop form called
A:-Knit loop
B:-Tuck loop
C:-Held loop
D:-Miss loop
Correct Answer:- Option-D
Question26:-In a carding machine wire points arranged in opposite direction and move same direction with different speed;
the action called
A:-Carding
B:-Stripping
C:-Doffing
D:-Drafting
Correct Answer:- Option-A
Question27:-State the function of presser
A:-To close the beard
B:-To close the latch
C:-To give return movement to the needle
D:-To assist the guard cam
Correct Answer:- Option-A
Question28:-Define sinker loop
A:-A loop in which the same thread crosses over itself
B:-Length of yarn placed over the needle
C:-The yarn connect two adjacent needle loop
D:-The upper part of the loop produced by the needle
Correct Answer:- Option-C
Question29:-Amount of water used for the insertion of weft in water jet loom
A:-5-9 cc/pick
B:-1-4 cc/pick
C:-0.1-0.4 cc/pick
D:-0.5/0.9 cc/pick
Correct Answer:- Option-D
Question30:-State the function of swing door mechanism
A:-Regulate the feed cotton
B:-Regulate the speed of beater
C:-Pre-opening of cotton
D:-Blending of fibres
Correct Answer:- Option-A
Question31:-The function of weft brake in projectile weaving machine is
A:-To stop the projectile
B:-Holding weft supply package
C:-For guiding yarn on weft accumulator drum
D:-Applies tension to weft yarn at appropriate time
Correct Answer:- Option-D
Question32:-A defect caused by hardened fluff or foreign matter into the fabric is called
A:-Goat
B:-Dirty cloth
C:-Patchiness
D:-Reediness
Correct Answer:- Option-A
Question33:-A loom truly termed ‘automatic’ must have the following mechanisms in addition to the essential mechanism
A:-Weft stop motion, warp stop motion and weft replenishment motion
B:-Weft stop motion, weft replenishment motion and positive warp let-off motion
C:-Weft replenishment motion, positive picking motion and positive take-up motion
D:-Positive warp let-off motion, warp stop motion and weft replenishment motion
Correct Answer:- Option-D
Question34:-The cause for nep formation in blow room
A:-Too high or low beater speed
B:-High variation of trash in different cotton varieties in mixing
C:-Uneven feeding of material to the feeder
D:-Inadequate or high calendar roller pressure
Correct Answer:- Option-A
Question35:-Place many number of plies of fabric one over other and aligned length and width of fabric together is called
A:-Pattern matching
B:-Cloth alignment
C:-Pattern loading
D:-Spreading
Correct Answer:- Option-D
Question36:-Function of feed dog in sewing machine
A:-Control the length of stitch
B:-Hold the cloth firmly in stitching position
C:-Help to move the cloth forward while sewing
D:-Hold the thread in position from spool
Correct Answer:- Option-C
Question37:-Dugdales terry motion working on the principle of
A:-insertion of wire picks
B:-loose reed principle
C:-fast reed principle
D:-by acting take up motion
Correct Answer:- Option-B
Question38:-Two or more shuttle boxes fitted with both end of loom called
A:-multiple box looms
B:-pick at will looms
C:-non skip box looms
D:-circular box looms
Correct Answer:- Option-B
Question39:-Find the calculated production of plain loom running with 160 RPM, 40 pick/inches with an efficiency of 75%
A:-3 inches/minute
B:-3 inches/hour
C:-4 inches/minute
D:-5 inches/minute
Correct Answer:- Option-C
Question40:-Warp yarns of one shed line do not cross all the yarns of other shed line at the same time. This is called
A:-Staggering of healds
B:-Balancing of healds
C:-Warp easing of healds
D:-Balancing of shed
Correct Answer:- Option-A
Question41:-A centre weft fork motion
A:-Check presence of weft in alternate picks
B:-Check presence of weft in every picks
C:-Used for the production of heavy duty fabric
D:-Stops the loom when a end breaks
Correct Answer:- Option-B
Question42:-The function of check strap is
A:-to control the picking force
B:-decrease the momentum of picker
C:-destroying the momentum of shuttle entered in shuttle box
D:-to protect the buffer and the picker inside the shuttle box
Correct Answer:- Option-C
Question43:-In dwell of tappet period means
A:-Loom will remain stationary
B:-Healds with remain stationary
C:-Healds are level and beat up starts
D:-Healds are begin to move for shed
Correct Answer:- Option-B
Question44:-Temperature of the size in a sow box for cotton sizing
A:-85 ± 5° C
B:-98 ± 5° C
C:-92 ± 2° C
D:-100 ± 2° C
Correct Answer:- Option-C
Question45:-Primary ingredients in sizing are
A:-Adhesives, softeners, antistatic agents
B:-Lubricants, antistatic agents
C:-Delinquescent, softeners, lubricants
D:-Adhesives, softeners, antiseptic agents
Correct Answer:- Option-D
Question46:-In a pirn winding machine function of layer locking device is
A:-control diameter of pirn
B:-give proper tension
C:-improve prin stability
D:-locking the bunch of yarn
Correct Answer:- Option-C
Question47:-The main advantage of splicing is
A:-more strength in joints
B:-uniform diameter of yarn
C:-easy to handle
D:-higher production in winding
Correct Answer:- Option-B
Question48:-In a drum winding machine
A:-Package RPM is decreases empty to full
B:-Coils per traverse is constant
C:-Produce close winding package
D:-Package RPM constant empty to full
Correct Answer:- Option-A
Question49:-In winding two and a half turn fully accelerated drum means
A:-drum grove make 2.5 turn around the drum from one end to the other
B:-Drum lays more yarn on the base than nose
C:-The base of cone increases as package size increases
D:-All the above
Correct Answer:- Option-D
Question50:-When succeeding coils are widely spaced on the package, it is known as
A:-close winding
B:-open winding
C:-cheese winding
D:-automatic winding
Correct Answer:- Option-B
Question51:-In a right hand dobby first pick is controlled by
A:-straight feeler and top hook
B:-bend feeler and top hook
C:-straight feeler bottom hook
D:-bend feeler and bottom hook
Correct Answer:- Option-D
Question52:-Normal clearance in a parallel blade slub catcher for carded counts
A:-1 to 1.5 time of yarn diameter
B:-1.5 to 2 times of yarn diameter
C:-2 to 2.5 times of yarn diameter
D:-2.5 to 3 times of yarn diameter
Correct Answer:- Option-B
Question53:-Advantage of swinging blade type slub catcher over fixed blade
A:-Clearing 50% more fault
B:-Cheap and easy to maintain
C:-More sensitive to thin places
D:-Slubs can get squeezed and passed through
Correct Answer:- Option-B
Question54:-Advantage of early shedding is
A:-Less power consumption
B:-heavy wefting
C:-less strain in warp
D:-useful for light weight fabric production
Correct Answer:- Option-B
Question55:-Which one is incidental waste in weaving?
A:-Knotting waste
B:-Process waste
C:-Waste from package fault
D:-Waste during changing pirn
Correct Answer:- Option-C
Question56:-Narrow, bare and dense stripes running along the warp direction of fabric is called
A:-Warp streaks
B:-Weft bar
C:-Missing end
D:-Float
Correct Answer:- Option-A
Question57:-The depth of reed wire along the direction of warp yarn is known as
A:-Air space
B:-Percentage air space
C:-Wire thickness
D:-Gauge number of reed wire
Correct Answer:- Option-D
Question58:-Refractometer used for
A:-measuring stretch in sizing
B:-determine size pick up
C:-to indicate consistency of solid contents in size past
D:-to measure saw box temperature
Correct Answer:- Option-C
Question59:-The length and weight unit of Denier English count system
A:-Hank of 840 yards and 1 denier
B:-Hank of 560 yards and 1 denier
C:-Hank of 520 yards and 1 denier
D:-Hank of 560 yards and 1 grains
Correct Answer:- Option-C
Question60:-Count defined in Denier metric system as the
A:-Number of 9000-meter length units present in one gram
B:-Number of one-gram weight units of yarn present in 9000 meters
C:-Number of 1000-meters length units present in one gram
D:-Number of one-gram weight units of yarn present in 1000 meters
Correct Answer:- Option-B
Question61:-Heald count in a plain set is
A:-number of heald eyes per 2 inches across the width
B:-number of heald eyes per inches across the width
C:-number of heald eyes per one inch width
D:-total number of heald eyes present in the heald divided by heald width
Correct Answer:- Option-B
Question62:-Reed count is the number of dents in two inches in
A:-Radcliff system
B:-Metric system
C:-Brad ford system
D:-Stokport system
Correct Answer:- Option-D
Question63:-Tachometer used for measuring
A:-Moisture regain
B:-RPM and surface speed
C:-Percentage of elongation
D:-Humidity
Correct Answer:- Option-B
Question64:-If 200 yards of cotton yarn weigh 2 grams. What is the count in Ne?
A:-100s
B:-24s
C:-45s
D:-54s
Correct Answer:- Option-D
Question65:-The calculated count determined from the total length and total weight of different count termed as
A:-Resultant count
B:-Average count
C:-Universal count (tex)
D:-Worsted count
Correct Answer:- Option-B
Question66:-Find the resultant count of 8s, 24s and 12s
A:-8s
B:-15s
C:-4s
D:-20s
Correct Answer:- Option-C
Question67:-If 30 Km of cotton yarn is 2.5 kg, what is the count in French cotton system?
A:-6sNf
B:-12sNf
C:-24sNf
D:-8sNf
Correct Answer:- Option-A
Question68:-Find the range of the following test results
Strength in lbs – 113, 108, 124, 128, 110
A:-20 lbs
B:-4 lbs
C:-15 lbs
D:-5 lbs
Correct Answer:- Option-A
Question69:-The whole material available for testing is called
A:-sample
B:-population
C:-specimen
D:-median
Correct Answer:- Option-B
Question70:-The ability of a fabric to assume a graceful appearance in use is
A:-stiffness
B:-drape
C:-resilience
D:-cover
Correct Answer:- Option-B
Question71:-Fraction of the area of the fabric covered by both warp and weft threads called
A:-Cover factor
B:-Cloth factor
C:-Cloth setting
D:-Cloth cover
Correct Answer:- Option-D
Question72:-Cover factor calculated from
A:-threads per inch in the cloth
B:-ends and picks per inch in the fabric
C:-threads per inch and count of yarn
D:-end per inch in the fabric
Correct Answer:- Option-C
Question73:-Uster evenness tester working on
A:-optical principle
B:-electronic principle
C:-capacitance principle
D:-electromagnetic principle
Correct Answer:- Option-C
Question74:-Circumference of wrap reel is
A:-1.5 yards
B:-3 yards
C:-1.2 yards
D:-2.4 yards
Correct Answer:- Option-A
Question75:-Single thread strength tester of the pendulum type lever working on the principle of
A:-constant rate of loading
B:-constant rate of extension
C:-constant rate of breaking
D:-inclined plain
Correct Answer:- Option-B
Question76:-The relation between TPI and yarn count is
A:-TPI = TM ×`”sqrt(count)”`
B:-Count = TPI/TM
C:-TPI = TM x Count
D:-Count = TPI x TM
Correct Answer:- Option-A
Question77:-Linters are
A:-long fibres separated in ginning
B:-long fibres adheres to cotton seed
C:-short fibres adheres to cotton seed
D:-cotton fibre covered with cotton seed
Correct Answer:- Option-C
Question78:-Fibre quality index is given by the formula
A:-FQI = `(Lusm)/(F)`
B:-FQI = `(Lusm)/(f)`
C:-FQI = `(Lsm)/(Fu)`
D:-FQI = `(Fusm)/(L)`
Correct Answer:- Option-A
Question79:-One lea of 20s cotton yarn consists of
A:-120 Hanks
B:-120 yards
C:-120 inches
D:-120 feet
Correct Answer:- Option-B
Question80:-Instrument not used for the measurement of bundle strength is
A:-stelometer
B:-instron tester
C:-pressley tester
D:-arealometer
Correct Answer:- Option-D
Question81:-Micronaire value is a combination of
A:-maturity and fibre strength
B:-fibre length and fineness
C:-fineness and maturity
D:-fineness and fibre strength
Correct Answer:- Option-C
Question82:-Which is a burning characteristic of pure silk?
A:-In flame it melt instantly
B:-Burn, melt slowly when present to the flame
C:-Smells like burning paper
D:-Continuous to burn and melt when away from flame
Correct Answer:- Option-B
Question83:-What is the corrected count of yarn?
A:-Count of yarn corrected in standard regain
B:-Count of yarn in actual regain
C:-Count of yarn after changing draft wheel
D:-Count of yarn corrected in standard moisture
Correct Answer:- Option-A
Question84:-A yarn made with irregular profile or construction that differs from single or folded yarn called
A:-Texturised yarn
B:-Fancy yarn
C:-Untwisted yarn
D:-Worsted yarn
Correct Answer:- Option-B
Question85:-Wool fibre made with a naturally occurring protein
A:-Keratin
B:-Lignin
C:-Sericin
D:-Fibroin
Correct Answer:- Option-A
Question86:-A small tangled knot of fibre often caused by fibre processing is
A:-Knot
B:-Objectionable fault
C:-Entanglement
D:-Nep
Correct Answer:- Option-D
Question87:-Average length of Gossypium hirsutum is
A:-32-40 mm
B:-13-25 mm
C:-25-48 mm
D:-22-24 mm
Correct Answer:- Option-D
Question88:-The distance between the nip line in relation to the distribution of fibre length within the silver called
A:-Machine setting
B:-Roller setting
C:-Relative roller speed
D:-Draft setting
Correct Answer:- Option-B
Question89:-Main contributors to thick and thin places in yarns are
A:-Un opened fibre and drafting irregularities
B:-Defective winding process
C:-Presences of large amount of waste percentage in mixing
D:-Poor control of lap weight
Correct Answer:- Option-A
Question90:-The most important single cause for within bobbin count variation
A:-In correct draft and ratchet wheel in flyframe
B:-Poor control of lap weight
C:-Defective draw frame
D:-Bad work practice in ring frame
Correct Answer:- Option-C
Question91:-Prime cause for excessive stretch in fly frame
A:-Worn out drafting rollers
B:-Incorrect initial position of cone drum belt
C:-Faulty feeding of silver
D:-Incorrect piecing practice
Correct Answer:- Option-B
Question92:-Percentage of yarn produced from a given weight of bale cotton
A:-Productivity
B:-Cotton realisation
C:-Yarn realisation
D:-Production efficiency
Correct Answer:- Option-C
Question93:-Common yarn objectionable faults in the fabric are
A:-Slubs and knots
B:-Neps and hooks
C:-Thin places and neps
D:-Thick places and neps
Correct Answer:- Option-D
Question94:-Cause for a catastrophic end breaks in spinning
A:-Collision between balloons
B:-Torn apron
C:-Vibrating or out centre spindle
D:-Eccentric drafting rollers
Correct Answer:- Option-A
Question95:-A periodic check on fractionating efficiency serve
A:-To increase the production in comber
B:-To improve the fibre alignment in comber
C:-Judge the mechanical condition of comber
D:-To reduce the stoppage in combing
Correct Answer:- Option-C
Question96:-A convenient and reliable method for estimating the loss of efficiency and its causes called
A:-Productivity analysis
B:-Snap reading
C:-Machinery audit
D:-Profitability analysis
Correct Answer:- Option-B
Question97:-The ratio of machine production to the labour employment ratio expressed as percentage is
A:-Machine productivity
B:-Labour productivity
C:-Productivity
D:-Productivity index
Correct Answer:- Option-C
Question98:-A periodic critical examination of machine to identify mechanical condition of various parts and machine setting,
which are likely to affect quality and productivity is called
A:-Periodic maintenance
B:-Preventive maintenance
C:-Quality audit
D:-Machinery audit
Correct Answer:- Option-D
Question99:-Transfer efficiency of fibres in a carding cylinder decided by
A:-RPM of cylinder
B:-Wire population in doffer
C:-Tooth angle in cylinder
D:-RPM of doffer
Correct Answer:- Option-C
Question100:-The function of front plate is
A:-To regulate the cleaning efficiency of carding machine
B:-To regulate the percentage of flat waste
C:-To control the droppings
D:-To regulate the flat speed
Correct Answer:- Option-B