KERALA PSC PREVIOUS QUESTION AND ANSWERS
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
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