LECTURER IN TEXTILE TECHNOLOGY - TECHNICAL EDUCATION - POLYTECHNIC COLLEGES | Exam held on : 16-03-2016 | Kerala PSC Previous Year Fully Solved Question Paper  | Year - 2016
1] To which agency of the UNO was India re-elected for a six year term in November 2015?
[a] UNISDR
[b] UNITAID
[c] UNHCR
[d] UNCITRAL
Answer : D
2] Which section of the Factories Act 1948 was amended vide the Factories (Amendment) Bill, 2015 of Maharashtra?
[a] 58(1)(C)
[b] 63(1)(C)
[c] 66(1)(C)
[d] 72(1)(C)
Answer : C
3] The Mahatma Gandhi International Centre which was inaugurated by the President of Sri Lanka Mr. Maithripala Sirisena on 22nd November 2015 is located at
[a] Matale
[b] Moratuwa
[c] Matara
[d] Monaragala
Answer : A
4] What is the percentage of population in India below the age of 19 as per the 2011 census?
[a] 32
[b] 36
[c] 37
[d] 41
Answer : D
5] Which Indian state won the National Wheelchair Basketball Championship held in 2015?
[a] West Bengal
[b] Maharashtra
[c] Punjab
[d] Haryana
Answer : B
6] Which was the new species of tree frog identified by a group of researchers in Western Ghats of Idukki in
November 2015?
[a] Ghatixalus Variabilis
[b] Ghatixalus Magnus
[c] Ghatixalus Asterops
[d] Tetrapods
Answer : B
7] Nature Microbiology journal has warned that the bacteria, Burkholdenia Pseudomallei will pose a serious threat
to India in the immediate future. Name the disease which is caused by this bacteria.
[a] Meliodosis
[b] Melorheostosis
[c] Melas syndrome
[d] Pick's disease
Answer : A
8] The Chinese translation of which literary work by Rabindra Nath Tagore was withdrawn by the publishers in 2015
citing 'Poor Quality Translation'?
[a] The Religion of Man
[b] The Gardner
[c] Stray Birds
[d] The Home and the World
Answer : C
9] Who is the author of the work 'The Gospel of Mary Magdalena and Me' which was considered for Man Booker
Prize in 2014?
[a] Rethy Devi
[b] Mallika Thanecha
[c] Anuradha Roy
[d] Daya Bai
Answer : A
10] The book 'The Name of God is Mercy' by Pope Francis is written in the form of a conversation between the Pope and a journalist. Who is that journalist?
[a] Carlo Caffara
[b] Pietro Parolin
[c] Domenico Calcagno
[d] Andrea Tornielli
Answer : D
11] Which of the following combination will give an effective resistance of 4Ω, if three resistances of values 2Ω, 3Ω and 6Ω are available?
[a] Parallel combination of 2Ω and 6Ω resistance in series with 3Ω resistance
[b] Parallel combination of 2Ω and 3Ω resistance in series with 6Ω resistance
[c] All the three resistances in parallel
[d] Parallel combination of 3Ω and 6Ω resistance in series with 2Ω resistance
Answer : D
12] An ohmmeter indicates zero ohms when connected across an inductor. The inductor is
[a] Open
[b] Good
[c] Partly opened
[d] Shorted
Answer : D
13] To increase the amount of current in a resistor from 60 mA to 80 mA by changing the 12V source, what should the new voltage setting be?
[a] 4V
[b] 1.6V
[c] 16V
[d] 40V
Answer : C
14] The resistance of earth wire should be
[a] Very low
[b] High
[c] Reasonable
[d] Infinite
Answer : A
15] A series RLC circuit with XL = 25 ohm, XC = 35 ohm, and R = 10 ohm carries an effective current of 5 A. Calculate the power dissipated in watts of a series RLC circuit
[a] 50
[b] 250
[c] 300
[d] 550
Answer : B
16] The lighting methods in increasing order of power consumption are
[a] LED, Incandescent, CFL
[b] CFL, LED, Incandescent
[c] LED, CFL, Incandescent
[d] CFL, Incandescent, LED
Answer : C
17] The rms value of a full wave rectified wave is ________ that of a sine wave with the same peak value.
[a] Same as
[b] Greater than
[c] Less than
[d] Greater or less than
Answer : A
18] A battery with a 100 Ah rating can deliver
[a] 10A for 1 hour
[b] 5A for 20 hours
[c] 10A for 20 hours
[d] 1A for 10 hours
Answer : B
19] Mobile data indicators in increasing order of speed are
[a] E, G, H, 3G
[b] H, G, E, 3G
[c] G, E, H, 3G
[d] G, E, 3G, H
Answer : D
20] An 8 bit microcontroller has
[a] 8-bit data bus
[b] 8-bit address bus
[c] 8-bit data and address buses
[d] 8 interrupt lines
Answer : A
21] The range of compression ratio that can be used in a spark ignition IC engine is ________.
[a] 6:1 - 10:1
[b] 16:1 - 20:1
[c] 26:1 - 30:1
[d] 36:1 - 40:1
Answer : A
22] The size of fly wheel in a two stroke cycle engine when compared to that in a four stroke cycle engine having same capacity is _________.
[a] Same as that of four stroke cycle engine
[b] Heavier than that of four stroke cycle engine
[c] Lighter than that of four stroke cycle engine
[d] Can be of any size
Answer : C
23] A gear box is provided in an automobile to vary the _________ on the road wheels.
[a] Speed
[b] Torque
[c] Horse power
[d] Efficiency
Answer : B
24] If the head available in a proposed hydro-electric power project is 7-15 m of water, then the type of hydraulic turbine suitable for this project is __________.
[a] Pelton turbine
[b] Francis turbine
[c] Deriaz turbine
[d] Kaplan turbine
Answer : D
25] The _________ is the thermodynamic vapour power cycle based on which a steam turbine in a steam power plant works.
[a] Joule cycle
[b] Brayton cycle
[c] Rankine cycle
[d] Otto cycle
Answer : C
26] `A` is an `nxxn` matrix, `K` is a scalar and |`KA`|= `r` |`A`|, then the value of `r` is
[a] `Kn`
[b] `n^K`
[c] `K^n`
[d] `(K)/(n)`
Answer : C
27] For the function `f(x) = x^2 e^-x`, the maximum occurs when `x` is equal to
[a] 2
[b] 1
[c] 0
[d] `(1)/(2)`
Answer : A
28] The value of `int_0^{pi/4} sec^4(x)dx` is
[a] `(3)/(4)`
[b] `(4)/(3)`
[c] `(pi)/(3)`
[d] `(pi)/(4)`
Answer : B
29] For the differential equation `(dy)/(dx)+5y = 0` ; with `y(0) = 1`, the general solution is
[a] `e^5^x`
[b] `5e^-5^x`
[c] `-5e^-5^x`
[d] `e^-5^x`
Answer : D
30] The area bounded by the curve `y = log x`, the `x`-axis and the ordinates at `x=1` and `x = 2` is
[a] `log 4 - 1`
[b] `log 4-3`
[c] `log 2- 2`
[d] `2 log 2 + 1`
Answer : A
31] The coefficients of three consecutive terms in the expansion of `(1 + x)^n` are in the ratio 1 : 3 : 5, then the value of `n` is
[a] 3
[b] 5
[c] 7
[d] 9
Answer : C
32] Line through the points (-2, 6) and (4, 8) is perpendicular to the line through the points `(k, 24)` and (8, 12) ; then the value of `k` is
[a] -2
[b] 4
[c] 8
[d] 24
Answer : B
33] The value of `(sin x - sin y)/(cos x + cos y)` is
[a] `tan ((x-y)/(2))`
[b] `tan ((x+y)/(2))`
[c] `cot ((x-y)/(2))`
[d] `cot ((x+y)/(2))`
Answer : A
34] If the line `y = 3x + c` is a tangent to the curve `y = 2x^2` , then the value of `c` is
[a] `(3)/(4)`
[b] `(9)/(8)`
[c] `(-3)/(4)`
[d] `(-9)/(8)`
Answer : D
35] The solution of the following simultaneous equations
`5x + 3y + 3z = 48;` `2x + 6y - 3z = 18` ; `8x - 3y + 2z = 21 ` is
[a] `x = 3, y = 6, z= 5`
[b] `x = 3, y = 5, z = 6`
[c] `x = 6, y = 3, z = 5`
[d] `x = 5, y = 6, z = 3`
Answer : B
36] As per IS specifications the initial setting time of OPC shall not be less than
[a] 20 minutes
[b] 30 minutes
[c] 60 minutes
[d] 120 minutes
Answer : B
37] Concrete strength depends upon
[a] Water cement ratio
[b] Quality of cement
[c] Quality of aggregate
[d] Quality of water
Answer : A
38] The strongest bond in brick masonry is
[a] English bond
[b] Flemish bond
[c] Stretcher bond
[d] Header bond
Answer : A
39] Total number of links in a 30m chain should be
[a] 300
[b] 150
[c] 100
[d] 75
Answer : B
40] Reduced level of a points is its elevation with respect to
[a] Levelled surface
[b] Sea level
[c] Datum surface
[d] Ground surface
Answer : C
41] The major contributions to weight of a mature cotton fibre is due to
[a] Pectin
[b] Lumen
[c] Primary Wall
[d] Secondary Wall
Answer : D
42] Pick the odd one out
[a] Polyester
[b] Viscose
[c] Nylon-6
[d] Nylon-66
Answer : B
43] Medulla is generally found in
[a] Cotton
[b] Silk
[c] Fine wool
[d] Coarse wool
Answer : D
44] Which of the following fibre with highest moisture regain will exhibit highest wet/dry tenacity?
[a] Cotton
[b] Lyocell
[c] Modal
[d] Viscose
Answer : B
45] The highest elastic recovery is exhibited by
[a] Viscose
[b] Nomex
[c] Lycra
[d] Acrylic
Answer : C
46] Polyacrylonitrile polymer can be produced by using
[a] Emulsion polymerization
[b] Condensation polymerization
[c] Ring opening polymerization
[d] Solution polymerization
Answer : D
47] Density of cotton fibre is approximately
[a] 1.52 denier
[b] 1.52 g/tex
[c] 1.52 kg/`m^3`
[d] 1.52 g/`cm^3`
Answer : D
48] Correct sequence of major steps for production of viscose fibre is
[a] Steeping-Shredding-Xanthation-Ageing-Dissolution-Ripening-Spinning
[b] Steeping-Dissolution-Xanthation-Shredding-Ageing-Ripening-Spinning
[c] Steeping-Shredding-Ageing-Xanthation-Dissolution-Ripening-Spinning
[d] Steeping-Xanthation-Shredding-Ageing-Dissolution-Ripening-Spinning
Answer : C
49] Which combination is not correct?
[a] PET - Tg ≈ 79°C
[b] Viscose Rayon - Xc ≈ 35%
[c] Polypropylene - Disperse Dyes
[d] Nomex - Excellent Mechanical Properties
Answer : D
50] Which of the following statement is correct?
[a] Glauber salt is used in direct dye on cotton and acid dye on wool as a leveling agent
[b] Glauber salt is used in direct dye on cotton and acid dye on wool as an exhausting agent
[c] Glauber salt is used in direct dye on cotton as exhausting agent and acid dye on wool as leveling agent
[d] Glauber salt is used in direct dye on cotton as leveling agent and acid dye on wool as exhausting agent
Answer : C
51] Dispersing agent is used in disperse dye for polyester
[a] To make insoluble dye water soluble
[b] To increase the exhaustion of disperse dye
[c] To ensure level dyeing
[d] To prevent precipitation of disperse dye
Answer : D
52] Which is the true condition for reduction of vat dye?
[a] Redox potential of the dye bath must be higher than the dye
[b] Redox potential of the dye must be higher than the dye bath
[c] Redox potential of the dye and dye bath must be equal
[d] None of the above
Answer : A
53] CSP of yarn is equal to the product of
[a] Yarn count (Ne) and lea strength (lbf)
[b] Yarn tex and lea strength (lbf)
[c] Yarn count (Ne) and lea strength (kgf)
[d] Yarn tex and lea strength (N)
Answer : A
54] The trash content of cotton as fed to a beater is 3.6%. The waste extraction is 1.5% of which 80% is trash. The cleaning efficiency % of beater is
[a] 24%
[b] 33.3%
[c] 48%
[d] 66%
Answer : B
55] What type of hooks are preferentially removed in roller drafting?
[a] Leading
[b] Trailing
[c] Both sided
[d] Diagonal
Answer : B
56] Which of the following statements is correct?
[a] Ring spun yarn is strong and hairy as compared to rotor spun yarn
[b] Rotor spun yarn is even and weaker as compared to ring spun yarn
[c] Air jet spun is harsh and compact as compared to ring spun yarn
[d] All of these
Answer : D
57] In case of cotton, AFIS can be used to measure
[a] Strength
[b] Elongation
[c] Maturity
[d] Number of convolutions
Answer : C
58] A carding machine working at 90% efficiency has doffer speed 42 m/min and production rate 10.6 kg/hr. Assuming no draft between doffer and delivery roller, find the density of sliver in ktex.
[a] 2
[b] 3
[c] 4
[d] 5
Answer : D
59] As compared to the yarn fault A1, the fault D4 is
[a] Thinner and longer
[b] Thinner and shorter
[c] Thicker and longer
[d] Thicker and shorter
Answer : C
60] On a ring frame, the spindle speed is 16,000 rpm. If the yarn twist is 8 turns per cm and winding on
circumference is 4 cm, the traveler rpm would be
[a] 16160
[b] 15840
[c] 15500
[d] 16500
Answer : B
61] In a comber, if the feeding takes place when the nippers are going backwards, it is called
[a] Asymmetric feed
[b] Reverse feed
[c] Forward feed
[d] None of these
Answer : B
62] For a balanced twist two fold yarn, F/S twist ratio i.e. folding twist/spinning twist =
[a] 2/3
[b] 1/2
[c] 1
[d] none
Answer : A
63] Bobbin leading mechanism is preferred over flyer lead mechanism in roving frame because
[a] It helps to reduce the power requirements of the machine
[b] When roving breaks, it will trail and not unwind
[c] Both of these
[d] None of these
Answer : C
64] The most suitable yarn out of followings to run at warping/weaving will be
[a] Tenacity = 22 gpt, Strength CV = 8%
[b] Tenacity = 22 gpt, Strength CV = 18%
[c] Tenacity = 20 gpt, Strength CV = 12%
[d] Tenacity = 20 gpt, Strength CV = 18%
Answer : A
65] The wasted movement in a loom is maximum in case of
[a] Bottom closed shed
[b] Semi-open shed
[c] Open shed
[d] Centre closed shed
Answer : A
66] In case of surface driven winding package, as the winding proceeds, angle of wind
[a] increases
[b] decreases
[c] remains constant
[d] first increases then decreases
Answer : C
67] In a sizing process, if add-on % is 14% and size paste concentration is 16%, the Wet pick-up% would be
[a] 88%
[b] 115%
[c] 16%
[d] 50%
Answer : A
68] Arrange 20 Ne, 20 Nm and 20 tex yarn in increasing order of fineness
[a] 20 Ne, 20 Nm, 20 tex
[b] 20 Nm, 20 Ne, 20 tex
[c] 20 tex, 20 Ne, 20 Nm
[d] 20 Ne, 20 tex, 20 Nm
Answer : B
69] A loom is designed to run at 440 ppm. If the fabric width is 2.5 m and weft crimp on loom is 6%, calculate weft insertion rate in m/min
[a] 1000 m/min
[b] 583 m/min
[c] 1166 m/min
[d] 1760 m/min
Answer : C
70] Which of the following knitted fabrics are visually different on face and back sides?
[a] Plain
[b] 1 × 1 rib
[c] 1 × 1 purl
[d] Interlock
Answer : A
71] A cotton woven fabric has 25 ends per cm and 28 picks per cm. The tex of warp and weft yarn are 30 and 15 respectively. Calculate the gsm of the fabric, assuming warp and weft crimp to be 12% and 6% respectively.
[a] 102
[b] 110
[c] 84
[d] 129
Answer : D
72] The maximum twist loss occurring in weft yarn on latest air jet weaving machine is
[a] 14%
[b] 24%
[c] 4%
[d] none of these
Answer : A
73] Under lap of warp knitted fabric is basically equivalent to
[a] Closed loop
[b] Sinker loop
[c] Needle loop
[d] Open loop
Answer : B
74] The advantage/s of electronic jacquard over mechanical jacquard is/are
[a] High speed hook selection
[b] Elimination of cylinder, needles and design card
[c] Can be interfaced with CAD
[d] All of the these
Answer : D
75] Tip to tip transfer of weft takes place in
[a] Airjet looms
[b] Projectile looms
[c] Gabler system
[d] Dewas system
Answer : D
76] The speed of yarn in m/sec on a 30 rpm 30 inch diameter 20 gauge rib machine knitting
2 mm loop length
is approximately
[a] 1.8
[b] 2
[c] 3.6
[d] none of these
Answer : A
77] The application of a series of stitches or stitch types to one or several thicknesses of the material is called
[a] Stitch
[b] Seam
[c] Sewing
[d] Looping
Answer : B
78] The technique used to reduce or enlarge a given size pattern is called
[a] Patterning
[b] Grading
[c] Marking
[d] None of these
Answer : B
79] According to British Standard classification of stitches, lockstitch comes under
[a] Class 200
[b] Class 300
[c] Class 400
[d] Class 500
Answer : B
80] The part of the sewing machine that moves the fabric along by a predetermined amount between successive
stitches is called
[a] Throat plate
[b] Presser foot
[c] Feed Dog
[d] Over edger
Answer : C
81] ____________ stitch is frequently used on long seams in trousers.
[a] Lock stitch
[b] Multi-thread chain stitch
[c] Hand stitch
[d] Over edge chain stitch
Answer : B
82] Which of the following statements is correct?
[a] In a lock stitch machine, the bobbin thread operates at a much higher tension than the needle thread
[b] In a lock stitch machine, the needle thread operates at a much higher tension than the bobbin thread
[c] In a lock stitch machine, the needle thread and bobbin thread operates at a similar tension
[d] None of these
Answer : B
83] Choose the correct set of statements :
P. Denim is a weft faced twill cloth made from dyed warp and grey weft yarn
Q. Leno weaves are made from doup and standard threads, which are made to cross each other between picks
R. Sateen is a warp faced fabric
S. Repp is a plain weave fabric with a prominently weft way rib made from two warps and two wefts
[a] P, R
[b] P, S
[c] Q, S
[d] Q, R
Answer : C
84] The steep angled twill can be designed
[a] with ends per cm higher than picks per cm
[b] with upward steps more than outward steps
[c] none of these
[d] both of these
Answer : D
85] Terry weaves belong to
[a] Warp pile structures
[b] Weft pile structures
[c] Carpet structures
[d] None of these
Answer : A
86] __________ weaving comes under Extra weft figuring.
[a] Lappet
[b] Swivel
[c] Velveteen
[d] None of these
Answer : B
87] The primary distinction between a design principle and a design element is
[a] that principles are abstract and elements are concrete
[b] that elements are abstract and principles are concrete
[c] that principles are two dimensional and elements are three dimensional
[d] there is no clear distinction
Answer : A
88] Design and lifting plan look alike for
[a] straight draft
[b] skip draft
[c] pointed draft
[d] satin draft
Answer : A
89] Which one is not a measure of Central Tendency
[a] Mean
[b] Mean deviation
[c] Median
[d] Mode
Answer : B
90] Approximate moisture regain of acrylic fibre under standard conditions is
[a] 4%
[b] 0.4%
[c] 2%
[d] 12%
Answer : C
91] Presence of immature fibre in a sample of cotton fibre will have following effect on passage of air in the sample
(at a constant pressure head)
[a] Increase air flow
[b] Decrease air flow
[c] No change of air flow
[d] First increase air flow
Answer : B
92] Elmendorf tearing strength tester measures
[a] Energy loss
[b] Bursting load
[c] Breaking load
[d] None of these
Answer : A
93] U%, as measured by Uster Evenness Tester is
[a] CV% of mass variation
[b] CV% of diameter variation
[c] PMD of mass variations
[d] None of these
Answer : C
94] One Kilogram of a 20 tex yarn will have a length of
[a] 10 yard
[b] 5 Km
[c] 10 Km
[d] 50 Km
Answer : D
95] Two roving with a CV of 8% each are fed into a spinning zone and if the spinning unit adds 8% CV, the CV% of
output yarn will be approximately?
[a] 9.8%
[b] 16%
[c] 8%
[d] none
Answer : A
96] An eccentric top roller in a drafting system leads to
[a] Change in draft with oscillation of nip line
[b] Change in draft without oscillation of nip line
[c] Neither change in draft nor oscillation of nip line
[d] Oscillation of nip line only
Answer : D
97] The angle of projectile weaving machine from front to back is
[a] 8°
[b] 6°
[c] 5°
[d] 4°
Answer : D
98] Erection tools and equipments used for projectile weaving machine is/are
[a] Zero error spirit level
[b] Jack
[c] Zero error adjustable spirit level and jack
[d] None of these
Answer : C
99] Total Base Number (TBN) which is important for deciding discard of oil (Lubricants) decreases due to
[a] Oxidation of oil
[b] Water contamination
[c] Both of these
[d] None of these
Answer : C
100] Bearings are to be used to meet following requirements
(i) High speed rotation
(ii) Low vibrations
(iii) Low friction
Which one is best suited to meet above requirements?
[a] Deep groove ball bearing
[b] Thrust ball bearing
[c] Cylinder roller bearing
[d] Tapered roller bearing
Answer : A