TECHNICAL ASSISTANT- KHADI - KERALA KHADI AND VILLAGE INDUSTRIES BOARD | Exam held on : 15-03-2016 | Kerala PSC Previous Year Fully Solved Question Paper  | Year - 2016
1] In weft knitting loop length controlled by
[a] Clearing cam
[b] Guard cam
[c] Stitch cam
[d] Raising cam
Answer : C
2] 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
Answer : A
3] 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
Answer : A
4] 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
Answer : C
5] 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
Answer : D
6] Flex, jute and ramie fibres are belongs to the family of
[a] Leaf fibre
[b] Fruit fibre
[c] Hair fibre
[d] Bast fibre
Answer : D
7] 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
Answer : A
8] In finishing process combination of nitrogen and phosphorus compounds used for
[a] Water proofing
[b] Anti microbial agent
[c] Flame retardant
[d] Antistatic agent
Answer : C
9] Thinnest yarn fault in classimat among the following is
[a] `D_4`
[b] B
[c] `H_1`
[d] `I_2`
Answer : D
10] 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
Answer : A
11] Most of the seed coat particles are removed effectively in
[a] carding
[b] blow room
[c] comber
[d] spinning
Answer : A
12] Which of the following yarn is finest?
[a] 10 Ne
[b] 10 Tex
[c] 100 Ne
[d] 100 Tex
Answer : C
13] The fibre which hasa mineral origin
[a] Asbestos
[b] Silk
[c] Flex
[d] Acrylic
Answer : A
14] The difference between the cost price and selling price
[a] MRP
[b] Mark Up
[c] Market price
[d] Profit
Answer : B
15] The operation of twisting of long silk filament yarn called
[a] Degumming
[b] Weighting of silk
[c] Throwing of silk
[d] Winding of silk
Answer : C
16] 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
Answer : D
17] Design used for denim fibre
[a] 3/1 twill
[b] 1/2 twill
[c] 2/2 twill
[d] 1/3 twill
Answer : A
18] 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
Answer : D
19] Which is not a function of geo textile?
[a] Separation
[b] Filtration
[c] Drainage
[d] Protection
Answer : D
20] The fibres not used for the production of military protective clothing
[a] Aramids
[b] Kevlar
[c] Carbon fibres
[d] Polyurethane
Answer : D
21] The most suitable weave for ballistic protective clothing is
[a] plain weave
[b] satin weave
[c] twill weave
[d] basket weave
Answer : A
22] What are the primary colours in pigment theory?
[a] Red, Green Blue
[b] Yellow, Green, Blue
[c] Blue, Yellow, Red
[d] Red, Yellow, Blue
Answer : D
23] 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
Answer : C
24] 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
Answer : C
25] 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
Answer : D
26] 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
Answer : A
27] 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
Answer : A
28] 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
Answer : C
29] 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
Answer : D
30] 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
Answer : A
31] 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
Answer : D
32] A defect caused by hardened fluff or foreign matter into the fabric is called
[a] Goat
[b] Dirty cloth
[c] Patchiness
[d] Reediness
Answer : A
33] 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
Answer : D
34] 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
Answer : A
35] 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
Answer : D
36] 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
Answer : C
37] 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
Answer : B
38] 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
Answer : B
39] 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
Answer : C
40] 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
Answer : A
41] 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
Answer : B
42] 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
Answer : C
43] 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
Answer : B
44] 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
Answer : C
45] Primary ingredients in sizing are
[a] Adhesives, softeners, antistatic agents
[b] Lubricants, antistatic agents
[c] Delinquescent, softeners, lubricants
[d] Adhesives, softeners, antiseptic agents
Answer : D
46] 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
Answer : C
47] 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
Answer : B
48] 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
Answer : A
49] 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
Answer : D
50] 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
Answer : B
51] 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
Answer : D
52] 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
Answer : B
53] 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
Answer : B
54] Advantage of early shedding is
[a] Less power consumption
[b] heavy wefting
[c] less strain in warp
[d] useful for light weight fabric production
Answer : B
55] Which one is incidental waste in weaving?
[a] Knotting waste
[b] Process waste
[c] Waste from package fault
[d] Waste during changing pirn
Answer : C
56] 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
Answer : A
57] 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
Answer : D
58] 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
Answer : C
59] 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
Answer : C
60] 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
Answer : B
61] 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
Answer : B
62] Reed count is the number of dents in two inches in
[a] Radcliff system
[b] Metric system
[c] Brad ford system
[d] Stokport system
Answer : D
63] Tachometer used for measuring
[a] Moisture regain
[b] RPM and surface speed
[c] Percentage of elongation
[d] Humidity
Answer : B
64] If 200 yards of cotton yarn weigh 2 grams. What is the count in Ne?
[a] 100s
[b] 24s
[c] 45s
[d] 54s
Answer : D
65] 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
Answer : B
66] Find the resultant count of 8s, 24s and 12s
[a] 8s
[b] 15s
[c] 4s
[d] 20s
Answer : C
67] 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
Answer : A
68] 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
Answer : A
69] The whole material available for testing is called
[a] sample
[b] population
[c] specimen
[d] median
Answer : B
70] The ability of a fabric to assume a graceful appearance in use is
[a] stiffness
[b] drape
[c] resilience
[d] cover
Answer : B
71] 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
Answer : D
72] 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
Answer : C
73] Uster evenness tester working on
[a] optical principle
[b] electronic principle
[c] capacitance principle
[d] electromagnetic principle
Answer : C
74] Circumference of wrap reel is
[a] 1.5 yards
[b] 3 yards
[c] 1.2 yards
[d] 2.4 yards
Answer : A
75] 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
Answer : B
76] 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
Answer : A
77] 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
Answer : C
78] Fibre quality index is given by the formula
[a] FQI = `(Lusm)/(F)`
[b] FQI = `(Lusm)/(f)`
[c] FQI = `(Lsm)/(Fu)`
[d] FQI = `(Fusm)/(L)`
Answer : A
79] One lea of 20s cotton yarn consists of
[a] 120 Hanks
[b] 120 yards
[c] 120 inches
[d] 120 feet
Answer : B
80] Instrument not used for the measurement of bundle strength is
[a] stelometer
[b] instron tester
[c] pressley tester
[d] arealometer
Answer : D
81] 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
Answer : C
82] 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
Answer : B
83] 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
Answer : A
84] 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
Answer : B
85] Wool fibre made with a naturally occurring protein
[a] Keratin
[b] Lignin
[c] Sericin
[d] Fibroin
Answer : A
86] A small tangled knot of fibre often caused by fibre processing is
[a] Knot
[b] Objectionable fault
[c] Entanglement
[d] Nep
Answer : D
87] Average length of Gossypium hirsutum is
[a] 32-40 mm
[b] 13-25 mm
[c] 25-48 mm
[d] 22-24 mm
Answer : D
88] 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
Answer : B
89] 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
Answer : A
90] 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
Answer : C
91] 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
Answer : B
92] Percentage of yarn produced from a given weight of bale cotton
[a] Productivity
[b] Cotton realisation
[c] Yarn realisation
[d] Production efficiency
Answer : C
93] 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
Answer : D
94] 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
Answer : A
95] 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
Answer : C
96] 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
Answer : B
97] 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
Answer : C
98] 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
Answer : D
99] 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
Answer : C
100] 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
Answer : B
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