KHADI DEVELOPMENT OFFICER - KERALA KHADI AND VILLAGE INDUSTRIES BOARD.pdf (Size: 1 MB / Downloads: 0)

100/2014
Maximum : 100 marks
Time : 1 hour and 15 minutes

1.Which is the first synthetic fiber developed by Wallace Carothers at the chemical firm DuPont in 1030?
(A)Polyester
(B) Nylon
(C ) Acrylic
(D) Polyolefin

2.It it? the ratio of the actual vapour press urn to the saturated vapor pressure at the same temperature expressed as a percentage :
(A) Relative humidity
(B) Absolute humidity
(C ) Moisture contenty
(D) Moisture Regainty

3.The standard regain value of wool is :
(A) 17%
(B) 7%
(C ) 70%
(D) 0.7%

4.It is an atmosphere with a relative humidity of 65 ± 2% and a temperature of 20 ± 2 2C
(68 .4 I aFh):
(A) Standard atmospheric condition 
(B) Standard atmosphere
(C ) Standard condition of atmosphere
(D) Standard Testing atmosphere

5.Select the Bale PIu cker from the following :
(A) L/R RSB 851
(B) L/R Aero feed
(C ) Blendomat-BDT
(D) Multi mixer

6.Piano feed regulating motion is found in :
(A) Carding engine 
(B) Draw frame
(C ) Blow room
(D) Speed frame

7. Fabrics made with inter looping of yarns - most suitable term is :
(A) Woven fabrics
(B)Net fabric
(C ) Lace fabric
(D)Knitted fabrics

8.Beating-up in a power loom come under :
(A)Secondary motion
(B)Primary motion
(C )Tertiary motion
(D)Auxiliary motion

9.It is also known as artificial silk :
(A) Nylon
(B)Acetate rayon
(C ) Orion
(D)Viscose rayon

10.The colour of leuco compound of Vat black is :
(A) Black
(B)Brown
(C ) Green
(D)Violet

11.The result of fiber fineness test is found to be 6.0 MV. The fiber can be rated
(A) Coarse fiber
(B)Very fine fiber
(C ) Medium fine fiber
(D)Fine fiber

12.In Digital Fibrograph, fiber length is expressed in :
(A) Mean length
(B)Modal length
(C ) Span length
(D)Effective length

13.Removal of short fiber is the main object of:
(A) Combing process
(B)Carding process
(C ) Blow room process
(D)Drawing process

14.Ring frame Top roller nip load can be measured by :
(A) ATIRA Nilometer
(B)Stroboscope
(C ) ATIRA TARP Gauge
(D)Stelometer

15.Suitable Gin for processing long stapled cotton is:
(A) Knife roller Gin
(B)Macarthy Gin
(C ) Saw knife Gin
(D)Saw Gin

16.It is an example of Semi fast gripped feedingsaw tooth Ber/opener :
(A) Porcupine opener
(B)Shirley opener
(C ) Crighlon opener
(D)Krisehners boater

17.Lakshmi "Reiler Citer Polar drafting is a :
(A) 3-over-5 roller drafting system
(B)5-over*3 roller drafting system
(C ) 3-over-4 roller drafting system
(D)4-over-3 roller drafting system

18.Shore hardness of top roller cots of ring frame ranges :
(A) 30° to 60o
(B)60o to 90°
(C ) 20° to 50°
(D)10° to 10°

19.Function of this part in the card is to alter set t ing between flats and cylinder :
(A) Cylinder Arch
(B)Concentric bends
(C ) Flexible bends
(D)Front plate

20.Cross roll Verga unit in card is a :
(A) Carding device
(B)Feeding device
(C ) Pre carding device
(D)Doffing device

21.In a steep twill the angle of twill line is :
(A) 45°
(B)Below 45°
(C ) Less than 30°
(D)More than 45°

22.It is an example of broken and reverse twill fabric structure :
(A) Hock a hack weave
(B)Satin weave
(C ) Herring hone weave
(D)Sateen weave

23.It is a fabric structure which is a modification of plainweave :
(A) Honey comb weave
(B)Hopsaek weave
(C ) Bedford cord weave
(D)Satin weave

24.The empty space run lengthwise through the centre of the cotton fiber is termed as :
(A) Lumen
(B)Cuticle
(C ) Primary' wall
(D)Secondary wall


25.Bast fibers are extracted by this process :
(A)Shearing
(B)Retting
(C )Ginning
(D)Croissure

26.In this shedding the warp is only moved when the pattern requires a change of position :
(A) Centre closed shedding
(B) Bottom closed shedding
(C ) Top closed shedding
(D) Open shedding

28.Function of this unit in a loom is to grip the doth so that it is held at the same width as the warp in the reed :
(A)Temples
(B)Breast beam
(C )Lease rods
(D)Emery roller

60“ English yarn count is approximately equivalent to :
(A)30 Tex
(B)60 Tex
(C )10 Tex
(D)120 Tex

29.Type of top rollers used in modern high speed draw frames are :
(A) Loose boss rollers
(B) Solid rollers
(C )Loose bush rollers
(D) Fluted rollers

30. In carding web material is converted to sliver by : 
(A) Doffer (C ) Calendar roller
(B) Doffer comb (D) Trumpet

31. Organ fixed between the top and bottom apron to control the movement of strand of fibers
(A) Spacer
(B)Nose bar
(C ) Apron cradle
(D)Condenser

32.Sizing is done on :
(A) Weft yarn
(B)Warp yarn
(C ) Hosiery yarn
(D)Cone yarn

33.Congo red dyestuff belongs to this group :
(A) Oxidised dyes
(B)Dispersed dyes
(C ) Acid dyes
(D)Direct dyes

34. Principal object of the Stener machine is to :
(A) Control the width of the fabric
(B) Control the length of the fabric
(C ) Improve the luster of the fabric
(D) Improve the strength of the fabric

35. Molten wax is used to produce designs in this style of printing :
(A) Discharge
(B)Direct
(C ) Resist
(D)Azoic

30.Sanforising is a :
(A) Anti static finish
(B)Anti shrink finish
(C ) Anti crease finish
(D)Anti Phil finish

37.Fastness to perspiration of Direct coloured materials can be improved by the treatment
(A) Copper sulphate
(B)Potassium dichromate
(C ) Formaldehyde
(D)Sodium phosphate

38.Fibers which are not in the nip of either drawing and retaining rollers are termed as :
(A) Hooked fibers
(B)Curled fibers
(C ) Short fibers
(D)Floating fibers

39.Percentage of trailing hooked fibers foundin a card sliver is :
(A) 15% to 65%
(B)70% to 80%
(C ) 15% to 35%
(D)30% to 40%

40.Ratio between surface speed of delivery roller to feed roller is termed as 
(A) Tension draft
(B)Mechanical draft
(C ) Break draft
(D)Actual draft

11.Standard moisture regain of cotton, wool, acetate andsilk, in the decreasing order is :
(A) Wool > Acetate> Cotton> Silk
(B)Wool > Silk> Cotton>Acelate
(C ) Wool > Cotton> Silk> Acetate
(D)Wool > Silk> Acetate> Cotton

42. Souring is a process to :
(A)Remove size
(B)Remove wax
(C ) Neutralize the substrate after alkaline treatment 
(D) Improve strength

43. The ability of a fabric to assume a graceful appearance in use is termed as :
(A) Drupe
(B)Wear
(C ) Resilience
(D)Flexibility

44.Bursting strength ia important for this type of fabric :
(A) Suiting's
(B)Curtain fabrics
(C ) Toweling fabric
(D)Filter fabric

45.It is not a measure of scattering :
(A) Arithmetic mean
(B)Mean range
(C ) Mean deviation
(D)Variance

46.Standard regain of 80/20 Polyester Viscose blendis:
(A) 3.98%
(B)2.92 %
(C ) 1.80%
(D)7.20%

47.The power of recovery from a given extension is expressed by the term :
(A)Elastic extension
(B)Yield stress
(C )Elastic recovery
(D)Yield strain

48.Taker-in to feed plate setting for processing a short stapled cotton :
(A)4 thou
(B)12 thou
(C )16 thou
(D)8 thou

49.A compact lap is produced in Blow room by the help of:
(A) Calendar rollers
(B) Piano feed regulating mechanism
(C ) Condenser
(D) Rack and brake mechanism

50.Bottom cylinder of the comber fitted with combing segment is otherwise known as :
(A)Top nipper
(B)Half lap
(C )Bottom nipper
(D)Full lap

51.It is not an auxiliary motion of a power loom : 
(A) Side weft fork motion (C ) Iet-off motion
(B) Loose reed motion (D) Warp stop motion

52.Weak link effect is a term concerned with :
(A) Strength test
(B)Drape lest
(C ) Keenness test
(D)Fineness test

The loom parts Duck bill and hitter found in :
(A) Warp easing motion
(B)Let-off motion
(0) Past reed motion
(D)Loose reed motion

51. The fall in surface speed of top rubber covered roller when the material passing between top and bottom roller is termed as :
(A)Roller slip
(B)Roller lapping
(C )Draft
(D)Roller cots

55.Chemical Burr extraction from the wool is known as :
(A)Chlorination
(B)Carbonization
(C )Scouring
(D)Bleaching

56.Hydrophobic fibers are mainly dyed with this group of colours :
(A)Oxidized
(B)Mineral
(C )Dispersed
(D)Mordant

57.Naphtholsare dissolved in :
(A)Sodium hydroxide
(B)Calcium hydroxide
(C )Phenol
(D)Hydrochloric acid

58.The loom parts hammer lever and cam found in :
(A)Under pick mechanism
(B)Centre weft fork motion
(C )Side weft fork motion
(D)Over pick mechanism

59.Two most important fiber properties which arc affected by liber fineness are :
(A)Resistance to bending and strength
(B)Stiffness and torsional rigidity
(C )Stiffness find strength
(D)Resistance to twisting and strength

60.The ATIRA fiber fineness instrument working on :
(A) Diesel oil flow principle
(B) Kerosene oil flow principle
(C ) Water flow principle
(D) Air flow principle

61.
The immature cotton fibers after treatment with IS % caustic Soda found to be :
(A) Rod like appearance
(B)Curled ribbon like appearance
(C ) Round like appearance
(D)Flat, like appearance

62.It is the ratio between force applied and linear density:
(A) Mass stress
(B)Tenacity
(C ) Stress
(D)Strain

68.Silk, wool, flax and rayon can be considered as :
(A) Cellulose fibers
(B)Polyamide fibers
(C ) Synthesized fibers
(D)Lustrous fibers

64.Silk gum is otherwise known as :
(A) Fibroin
(B)Fats and wax
(C ) Sericin
(D)Mineral salts

65.When the denier of a fiber is doubled, its diameter increases by :
(A) Two times
(B)Four times
(C ) 0.41 times
(D)1.41 times

66.In a modern cotton ring frame maximum spindlespeed is around:
(A) 11000 rpm
(B)16000 rpm
(C ) 28000 rpm
(D)22000 rpm

67.The rate of printing production is highest on ;
(A) Roller printing
(B)Screen printing
(C ) Block printing
(D)Flat bed printing

68.Weight of 1 lea of 60 s cotton yarn is approximately :
(A) 2 grams
(B)4 grams
(C ) 1/2 gram
(D)1 gram

69.Optimum condition for bleaching cotton with hydrogen peroxide is :
(A) pH 7, boil
(B)pH 7, 60°
(C ) pH 10, 60°
(D)pH 10, boil

70.The kind of abrasion occurs at folds and collars can be termed as :
(A) Plane abrasion
(B)Flex abrasion
(C ) Edge abrasion
(D)Flat abrasion

71.In ate picking, the shuttle enters the shed when the going part of the loom is nearer to the :
(A) lop centre
(B)Back centre
(C ) Bottom centre
(D)Front centre

72.Weft patterns in fabrics can ho produced by :
(A) Fast reed motion
(B)Loose reed motion
(C ) Multiple box motion
(D)Jacquard shedding motion

73.If the actual draft is 100 and waste removed is5%, the mechanical draft in a card is :
(A) 105
(B)150
(C ) 50
(D)95

71.It is not an example of cross weaving :
(A) Mock leno
(B)Net leno
(C ) Madras muslin
(D)Cellular leno

75.Tension type twist tester working on :
(A) Untwist method
(B)Optical method
(C ) Untwist and retwist method
(D)Twist to break method

76.In transfer printing, designs are produced by using :
(A) Roller
(B)Paper
(C ) Block
(D)Screen

77.Lea strength tester is working on :
(A) Ballistic principle
(B)Pendulum lever with CRL principle
(C ) Pendulum lever with CRT principle
(D)Impact principle

78.By testing 1000 cotton fibers, 670 fibers found to be mature and 70 is immature. The maturity co-efficient of the cotton is :
(A) 0.65
(B)0.95
(C ) 0.75
(D)0.85

79.Diazotzation of a base can be done with 11CL and :
(A) Sodium chlorite
(B)Sodium nitrite
(C ) Sodium hypochlorite
(D)Sodium Sulphate

80.With increasing twist, spun yarn strength :
(A) Increases initially and decreases
(B)Increases continuously
(C ) Decreases initially and increases
(D)Decreases continuously

81.The length of one pound of 100 cotton yarn is approximately :
(A) 84000 meters
(B)76810 meters
(C ) 91862 meters
(D)184800 meters

82.Winding and binding ratio is a term in :
(A) Cone winding
(B)Fly frame bobbin winding
(C ) Ring cop winding
(D)Warping

83. Time in second required for 1 cubic cm of air to pass through 1 sq. cm of fabric under a pressure of 1 cm head of water is termed as :
(A)Air porosity
(B)Air content
(C )Air permeability
(D)Air resistance

81. The middle value of a series of values arranged in order of magnitude is termed as :
(A)Mean
(B)Arithmetic Mean
(C )Mode
(D)Median

85.Without altering spindle speed, Ring frame production can be increased by (A) Increasing TPI 
(B) Reducing TPI
(C ) Increasing ring rail traverse
(D) Changing direction of twist

86.Keighley dobby is an example of’:
(A)Single lift open shed dobbies
(B)Double lift open sheddobbies
(C )Single lift centre closeddobbies
(D)Double lift centre closed dobbies

87.This group of dyestuff has no direct affinity towards textile libers :
(A)Mordant dyes
(B)Acid dyes
(C )Basic dyes
(D)Sulphur dyes

88.Adipic Acid (ADA) and Hexamethylene diamine (HMD) are used as raw materials for :
(A)Nylon 66 polymer
(B)Polyester
(C )Acrylic
(D)Viscose rayon

89.Total number of needles in a double lift double cylinder 400 hook jacquard is :
(A)816
(B)800
(C )408
(D)400

90.This material is prepared by progressive hydrolysis of starches using acids or at high temperature :
(A)Gum arabic
(B)Britishgum
(C )Gum tragaeanth
(D)Locustbeam gum

91.The production/hour of a single delivery Draw frame with 1000 MPM delivering 5gm/meter silver is :
(A)12 Kg
(C )300 Kg
(B)5 Kg
(D) 600 Kg

92.The fabric test conducted on Elmendorf Tearing Tester is a :
(A)Trapezoid tear test
(B)Wing rip tear test
(C )Tongue tear test
(D)Single rip ballistic test

93.Crease recovery can be measured quantitatively by Shirley crease recovery tester in terms of:
(A)Crease recovery length
(B)Crease recovery percentage
(C ) Non creasing capacity 
(D) Crease recovery angle

94. Appearance of pills is more prominent in fabrics.

(A) Synthetic
(B)Cotton
(C ) Silk
(D)Linen

95.Waviness imparted to the threads in a fabric is called:
(A) Pills
(B)Crimp
(C ) Twist
(D)Hairiness

96.A Nep imperfection in a Uster evenness tester is defined as a fault of:
(A) length 1cm and cross section 50%
(B)Length 1cm and cross section 200%
(C ) length 1mm and cross section 200%
(D)length 1mm and cross section 50%

97.Resultant count of a cotton plied yarn composedof 21''and 40 is:
(A) 64
(B)15*
(C ) 32*
(D)16*

98.Twist is inserted on roving by the help of:
(A) Coiler and Can
(B)Spindle and Front roller
(C ) Spindle and flyer
(D)Spindle, Ring and Traveler

99.Bunch formation in pirns helps :
(A) Pirn changing mechanism
(B)Shuttle changing mechanism
(C ) To protect shuttle flying
(D)Rapier mechanism

100.In the coupling bath of azoic dye, it is added as alkalibinding agent:
(A) Sodium sulphate
(B)Ferrous sulphate
(C ) Chromium sulphate
(D)Aluminium sulphate