JUNIOR TECHNICAL OFFICER – CIVIL – NCA – OBC – KERALA FINANCIAL CORPORATION
PROVISIONAL ANSWER KEY
Question Paper Code: 31/2017/OL
Category Code: 045/2014
Exam: Junior Technical Officer Civil NCA
Medium of Question: English
Date of Test 21-04-2017
Department Kerala Financial Corporation
Alphacode A
Question1:-Which is the oldest mountain range in India ?
A:-Himalayas
B:-Aravalli hills
C:-Western Ghats
D:-Eastern Ghats
Correct Answer:- Option-B
Question2:-Which among the following strait separates India and Sri Lanka ?
A:-Hormuz Strait
B:-Sunda Strait
C:-Palk Strait
D:-Bass Strait
Correct Answer:- Option-C
Question3:-Where does the river Brahmaputra originate from ?
A:-Angsi glacier
B:-Gaumukh
C:-Banderpoonch peaks
D:-Gurudongmar Lake
Correct Answer:- Option-A
Question4:-Who was the first Vice Chairman of the Planning Commission in India ?
A:-Ashok Mehta
B:-C. M. Trivedi
C:-Dr. Manmohan Singh
D:-Gulzarilal Nanda
Correct Answer:- Option-D
Question5:-Who introduced the Vernacular Press Act in 1878 ?
A:-Lord Ripon
B:-Lord Lytton
C:-Lord Curzon
D:-Warren Hastings
Correct Answer:- Option-B
Question6:-Which among the following is called as the Magna Carta of English education in India ?
A:-Wood’s Despatch
B:-Hunter Education Commission
C:-Indian University Act of 1904
D:-Sadler Commission
Correct Answer:- Option-A
Question7:-When was New Delhi officially inaugurated as the Capital of India ?
A:-1913
B:-1919
C:-1931
D:-1947
Correct Answer:- Option-C
Question8:-Which among the following was the `8^(th)` Five Year Plan period in India ?
A:-1980-1985
B:-1985-1990
C:-1992-1997
D:-1997-2002
Correct Answer:- Option-C
Question9:-Which river banks in Kerala the famous ‘Shivaratri’ festival is being conducted ?
A:-Bharata Puzha
B:-Periyar
C:-Pamba
D:-Chaliyar
Correct Answer:- Option-B
Question10:-Which was the oldest nadu in the Chera kingdom ?
A:-Eralnad
B:-Venpolinad
C:-Vlluvanad
D:-Kolathunad
Correct Answer:- Option-D
Question11:-Who was the editor of journal ‘Abhinava Keralam’ ?
A:-Shree Narayana Guru
B:-Vagbhatananda
C:-Vakkom Moualavi
D:-Chattampi Swamikal
Correct Answer:- Option-B
Question12:-When was Pandit K. P. Karuppan nominated as the member in the Cochin Legislative Council ?
A:-1923
B:-1925
C:-1927
D:-1934
Correct Answer:- Option-A
Question13:-Who published the book called ‘Treatment of Thiyyas in Travanocore’ ?
A:-Kumaranasan
B:-Brahmananda Shivayogi
C:-Dr. Palpu
D:-Ayya Vaikundar
Correct Answer:- Option-C
Question14:-When did Shree Narayana Guru start the ‘Advaita Ashram’ at Aluva ?
A:-1903
B:-1906
C:-1911
D:-1913
Correct Answer:- Option-D
Question15:-Who founded the religious congregation for men, called as Carmelites of Mary Immaculate ?
A:-Pampadi John Joseph
B:-Poyikayi Yohannan
C:-Kuriakose Elias Chavara
D:-Paremmakkal Thoma Kathanar
Correct Answer:- Option-C
Question16:-Who wrote the famous work Kandal Kadukalkkidayil Ente Jeevitham ?
A:-Dr. Jafer Palot
B:-Kallen Pokkudan
C:-Dr. Khaleel Chovva
D:-Plavu Vijayan
Correct Answer:- Option-B
Question17:-Who was the recipient of Vallathol Award for the year 2015 ?
A:-Anand
B:-Perumbadav Sreedharan
C:-Sreekumaran Thampi
D:-C. Radha Krishnan
Correct Answer:- Option-A
Question18:-Who was the champion of Australian Open for Men’s single in 2016 ?
A:-Andy Murray
B:-Novak Djokovic
C:-Roger Federer
D:-Rafael Nadal
Correct Answer:- Option-B
Question19:-What is the chronological order of Ronald Trump among the Presidents of America ?
A:-43
B:-44
C:-45
D:-46
Correct Answer:- Option-C
Question20:-Who is the oldest woman who swims across the English Channel ?
A:-Linda Ashmore
B:-Samantha Druce
C:-Arati Saha
D:-Rashmi Sharma
Correct Answer:- Option-A
Question21:-The quantity of cement in 1 : 2 : 4 mix of `1m^(3)` concrete is about
A:-254 kg
B:-343 kg
C:-542 kg
D:-154 kg
Correct Answer:- Option-B
Question22:-Permutit method is employed for removing
A:-Floating solids
B:-Colloidal solids
C:-Hardness
D:-Microorganisms
Correct Answer:- Option-C
Question23:-If a material is incompressible, its bulk modulus is
A:-Zero
B:-One
C:-0.3
D:-Infinite
Correct Answer:- Option-D
Question24:-A line of level was run from a bench mark no. 1 of RL 100.05 to a bench mark no. 2 of RL 101.70. If the sum of
back sights is 2.01 and that of foresight is 0.40, the closing error of leveling work is
A:-– 0.06 m
B:-– 0.05 m
C:-– 0.07 m
D:-– 0.04 m
Correct Answer:- Option-D
Question25:-The wastewater treatment initiated by symbiotic relationship between algae and bacteria is
A:-Activated sludge process
B:-Oxidation ditch
C:-Oxidation pond
D:-Trickling filter
Correct Answer:- Option-C
Question26:-The maximum crushing value for aggregate used for wearing surfaces such as roads and runways is
A:-45
B:-50
C:-25
D:-30
Correct Answer:- Option-D
Question27:-Maximum daily demand at a water purification plant is 12 Million litres/day. If the detention time is 6 hrs. and
velocity of flow is 0.2 m/minute, the capacity of the tank is
A:-72 `m^(3)`
B:-300 `m^(3)`
C:-720 `m^(3)`
D:-3000 `m^(3)`
Correct Answer:- Option-D
Question28:-The number of independent elastic constants for a linear elastic isotropic and homogeneous material is
A:-2
B:-4
C:-3
D:-1
Correct Answer:- Option-A
Question29:-Fine aggregates are not suitable for RCC work if they belong to
A:-Zone 1
B:-Zone 2
C:-Zone 3
D:-Zone 4
Correct Answer:- Option-D
Question30:-The stiffness matrix of a beam element is given by `((2EI)/(L)) [[2,1],[1,2]]` . Then flexibility matrix is
A:-`((L)/(6EI)) [[2,-1],[-1,2]]`
B:-`((L)/(2EI)) [[2,1],[1,2]]`
C:-`((L)/(6EI)) [[1,-2],[-2,1]]`
D:-`((L)/(5EI)) [[2,-1],[-1,2]]`
Correct Answer:- Option-A
Question31:-Allowable shear stress in an unstiffened web of a steel beam of grade 250 N/`mm^(2)`
A:-250 N/`mm^(2)`
B:-100 N/`mm^(2)`
C:-165 N/`mm^(2)`
D:-150 N/`mm^(2)`
Correct Answer:- Option-B
Question32:-The plastic modulus of a section is 4.8 `xx` `10^(-4)` `m^(3)` . The shape factor is 1.2. The plastic moment
capacity of the section is 120 KNm. The yield stress of the material is
A:-100 MPa
B:-240 MPa
C:-250 MPa
D:-300 MPa
Correct Answer:- Option-C
Question33:-The effective length of a compression member held in position and restrained in direction at both ends in terms
of actual length ‘L’ is
A:-0.8 L
B:-0.65 L
C:-L
D:-1.5 L
Correct Answer:- Option-B
Question34:-The efficiency of sedimentation tank for a given discharge can be increased by
A:-increasing surface area of tank
B:-decreasing depth of tank
C:-increasing depth of tank
D:-decreasing surface area of tank
Correct Answer:- Option-A
Question35:-The type of boring/drilling used in site exploration of rock formations is
A:-Auger boring
B:-Wash boring
C:-Percussion boring
D:-Rotary boring
Correct Answer:- Option-C
Question36:-The most commonly used disinfectant in public distribution systems in India is
A:-Alum
B:-Lime
C:-Chlorine
D:-Potassium permanganate
Correct Answer:- Option-C
Question37:-The permissible limit for iron in drinking water according to latest Indian standard (IS 10500, 2012) is
A:-1 mg/L
B:-0.3 mg/L
C:-0.6 mg/L
D:-0.5 mg/L
Correct Answer:- Option-B
Question38:-The relationship between modulus of elasticity ‘E’ and modulus of rigidity ‘N’ in terms of Poisson’s ration ‘`1/m`’
is“
A:-E = 2N (1+`1/m`)
B:-E = 2N (1-`1/m`)
C:-E = 2N (1+`2/m`)
D:-E = 2N (1-`2/m`)
Correct Answer:- Option-A
Question39:-The treatment method to remove floating impurities in water is
A:-Sedimentation
B:-Aeration
C:-Coagulation
D:-Screening
Correct Answer:- Option-D
Question40:-Vee-Bee test is used to find the
A:-Crushing value
B:-Water absorption
C:-Workability
D:-Soundness
Correct Answer:- Option-C
Question41:-The method of plane tabling used for establishing the instrument stations only is
A:-Radiation
B:-Resection
C:-Traversing
D:-Triangulation
Correct Answer:- Option-B
Question42:-Before testing setting time of cement, one should test for
A:-Soundness
B:-Strength
C:-Consistency
D:-Fineness
Correct Answer:- Option-C
Question43:-The split tensile strength of concrete, when performed on a concrete cylinder of Diameter ‘D’, Length ‘L’ and
ultimate load ‘P’ is
A:- `(P)/(piDL)`
B:-`(2P)/(piDL)`
C:-`(4P)/(piDL)`
D:-`(2PD)/(piL)`
Correct Answer:- Option-B
Question44:-If the porosity of soil is 0.5, then its void ratio is
A:-0.5
B:-1
C:-1.5
D:-0.3
Correct Answer:- Option-B
Question45:-The maximum deflection of a simply supported beam subjected to a concentrated load at the midpoint is (W =
Load ; L = Span ; EI = Flexural rigidity).
A:-““`(WL^(3))/(3EI)`
B:-`(WL^(3))/(8EI)`
C:-`(WL^(3))/(48EI)`
D:-`(5WL^(3))/(384EI)`
Correct Answer:- Option-C
Question46:-For a cohesionless soil in its densest state the density index becomes
A:-One
B:-Zero
C:-More than 1
D:-Less than 1
Correct Answer:- Option-A
Question47:-The coefficient of permeability in cm/sec when effective size of soil is 0.1 cm is
A:-100
B:-10
C:-0.1
D:-1
Correct Answer:- Option-D
Question48:-Aquifer in which water table serves as the upper zone of saturation is
A:-Non artesian aquifer
B:-Artesian aquifer
C:-Confined aquifer
D:-Aquifuge
Correct Answer:- Option-A
Question49:-Piles used to protect water front structures against impact from floating bodies are
A:-Anchor piles
B:-Fender piles
C:-Sheet piles
D:-Batter piles
Correct Answer:- Option-B
Question50:-The seepage velocity (Va) is connected to discharge velocity (V) and porosity (n) by
A:-`Va = V//n`
B:-`Va = V.n`
C:-Va= `V_((n)/(1-n))`
D:-Va= `V_((n)/(1+n))`
Correct Answer:- Option-A
Question51:-A discrete particle undergoing plain sedimentation in a settling tank of length L, Breadth B, and Depth D will be
captured in the tank with 100% efficiency, if the settling velocity (`Vs)` ““ (Q=discharge in the tank).
A:-`Vs` > `(Q)/(LB)`
B:-`Vs` < `(Q)/(LB)`
C:-`Vs` > `(Q)/(BD)`
D:-`Vs` < `(Q)/(BD)`
Correct Answer:- Option-A
Question52:-The coagulant used for treating boiler feed water is
A:-Alum
B:-Sodium aluminate
C:-Chlorinated Copperas
D:-Copperas
Correct Answer:- Option-B
Question53:-Which property of the aggregate is found by impact test ?
A:-Toughness
B:-Hardness
C:-Endurance
D:-Fatigue
Correct Answer:- Option-A
Question54:-The permissible limit of hardness for drinking water according to IS 10500, 2012 is
A:-200 mg/L
B:-300 mg/L
C:-600 mg/L
D:-400 mg/L
Correct Answer:- Option-C
Question55:-The effective pressure at any plane in a soil mass is equal to
A:-Total vertical pressure
B:-Neutral pressure
C:-Neutral pressure minus pore pressure
D:-Total vertical pressure minus pore pressure
Correct Answer:- Option-D
Question56:-A 20 m chain was found to be 0.02 m too long after chaining 100 m. It was found to be 0.04 m too long after
chaining 600 m. If the chain was correct before commencement of work then the true distance is
A:-600.8 m
B:-600.4 m
C:-600.6 m
D:-600.3 m
Correct Answer:- Option-A
Question57:-If the whole circle bearing is 132°12’ its quadrantal bearing is
A:-N 47° 48’ E
B:-N 47° 48’ W
C:-S 47° 48’ W
D:-S 47° 48’ E
Correct Answer:- Option-D
Question58:-The magnetic bearing of a line AB is 130° 40’. What is the true bearing if magnetic declination is 10° 15’ W
A:-120° 25’
B:-140° 55’
C:-59° 45’
D:-49° 20’
Correct Answer:- Option-A
Question59:-The stress below which a material has a high probability of not failing under reversal of stress is known as
A:-Tolerance limit
B:-Elastic limit
C:-Proportional limit
D:-Endurance limit
Correct Answer:- Option-D
Question60:-The bearing of line AB is 152° 20’. the angle ABC is 124° 38’. Then the bearing of BC is
A:-276° 58’
B:-96° 58’
C:-176° 58’
D:-356° 58’
Correct Answer:- Option-B
Question61:-A soil has a porosity of 40%. The specific gravity is 2.70. Its dry density is (Take unit weight of water 9.81
KN/`m^3`)
A:-15.01 KN/`m^3`
B:-16.50 KN/`m^3`
C:-15.89 KN/`m^3`
D:-18.35 KN/`m^3`
Correct Answer:- Option-C
Question62:-The highway research board classification of soil is based on
A:-Liquid limit and plasticity characteristics
B:-Particle size composition and plasticity characteristics
C:-Shrinkage limit and plasticity characteristics
D:-Flow and plasticity characteristics
Correct Answer:- Option-B
Question63:-If the normal cross section 'A' of a member is subjected to tensile force 'P' the resulting normal stress on an
inclined plane at an angle 'θ' to transverse plane will be
A:-`P/A` `sin^2` θ
B:-`P/A` `cos^2`θ
C:-`(P)/(2A)` `sin^2`θ
D:-`(P)/(2A)` `cos^2` θ
Correct Answer:- Option-B
Question64:-The maximum value of Poisson's ratio for an elastic material is
A:-0.25
B:-0.50
C:-0.75
D:-1.0
Correct Answer:- Option-B
Question65:-The shear stress on principal plane is
A:-Maximum
B:-Zero
C:-Minimum
D:-Depends on angle of inclination
Correct Answer:- Option-B
Question66:-If the reduced level of floor is 100 and staff reading on the floor is 1.595 and the reading on the staff held
upside down against the underside of tee-beam is 3.85, the height of beam above floor is
A:-5.445 m
B:-4.645 m
C:-4.565 m
D:-5.605 m
Correct Answer:- Option-A
Question67:-Most common material used as vehicle of a paint is
A:-White lead
B:-Titanium white
C:-Linseed oil
D:-Litharge
Correct Answer:- Option-C
Question68:-Ringlemann chart is used for measuring
A:-Carbon monoxide
B:-Aerosols
C:-Smoke density
D:-Mist
Correct Answer:- Option-C
Question69:-If the percapita water supply is 180 litres/day, the amount of sewage flow as per Indian condition is
A:-180 litres/day
B:-100 litres/day
C:-200 litres/day
D:-144 litres/day
Correct Answer:- Option-D
Question70:-Minimum crushing strength of brick used in construction is
A:-10 kg/`cm^2`
B:-20 kg/`cm^2`
C:-25 kg/`cm^2`
D:-35 kg/`cm^2`
Correct Answer:- Option-D
Question71:-The ingredient that imparts quick setting property to cement is
A:-Alumina
B:-Silica
C:-Gypsum
D:-Lime
Correct Answer:- Option-A
Question72:-If `t_o` is optimistic time, `t_p` is pessimistic time `t_n` is most likely time then probabilistic time `t_m` for
completion of an activity is given by
A:-`(t_(o)+t_(p)+t_(n))/(3)`
B:-`(t_(o)+2t_(p)+t_(n))/(4)`
C:-`(t_(o)+4t_(p)+t_(n))/(5)`
D:-`(t_(o)+t_(p)+4t_(n))/(6)`
Correct Answer:- Option-D
Question73:-Slow sand filters can remove bacteria from rain water to an extent of
A:-60%
B:-70%
C:-99%
D:-85%
Correct Answer:- Option-C
Question74:-Horizontal tunnels constructed at shallow depth along the bank of a river to intercept ground water table are
called
A:-Springs
B:-Infiltration gallery
C:-Infiltration wells
D:-Intake wells
Correct Answer:- Option-B
Question75:-The type of settling where particles coalesce and thereby increase in mass is
A:-Discrete settling
B:-Hindered settling
C:-Flocculant settling
D:-Compression settling
Correct Answer:- Option-C
Question76:-Chlorine usage in the treatment of 20,000 `m^3` of water is 8 kg in a day. Residual chlorine after 10 minutes
contact tune is 0.2 mg/L. The chlorine demand is
A:-0.4 mg/L
B:-0.2 mg/L
C:-0.3 mg/L
D:-0.6 mg/L
Correct Answer:- Option-B
Question77:-Peak drainage discharge is obtained when the duration of a rainfall is equal to
A:-Inlet flow time
B:-Gutter flow time
C:-Channel flow time
D:-Time of concentration
Correct Answer:- Option-D
Question78:-The ratio of peak sewage flow to average flow is
A:-1.8
B:-1.5
C:-3
D:-2
Correct Answer:- Option-C
Question79:-If the runoff from a catchment is 800 `m^3` and the precipitation volume is 3200 `m^(3)` then the impervious
factor for the catchment is
A:-4
B:-0.25
C:-0.5
D:-0.4
Correct Answer:- Option-B
Question80:-The sensitiveness of spirit level if the bubble moves through 4 mm for a change of inclination of 40 seconds is
A:-0.13 mm
B:-10 mm
C:-160 mm
D:-0.1 mm
Correct Answer:- Option-D
Question81:-For a uniformly graded soil, coefficient of curvature is
A:-Zero
B:-0.5
C:-4
D:-1
Correct Answer:- Option-D
Question82:-A body is acted upon by a set of mutually perpendicular shear stresses, the diagonal planes are likely to have
A:-Tension and compression
B:-Tension only
C:-Compression only
D:-Shear only
Correct Answer:- Option-A
Question83:-In an elastic material the stress strain relation is always
A:-Linear
B:-Non-linear
C:-Linear or non-linear
D:-Parabolic
Correct Answer:- Option-C
Question84:-A cylindrical shell is 3 m long and is having 1 m internal diameter and 15 mm thickness. If it is subjected to an
internal fluid pressure of 1.5 N/`mm^2` then hoop stress is
A:-25 N/`mm^2`
B:-50 N/`mm^2`
C:-100 N/`mm^2`
D:-125 N/`mm^2`
Correct Answer:- Option-B
Question85:-Factor of safety for steel is generally taken as
A:-3
B:-1.5
C:-1.85
D:-4
Correct Answer:- Option-C
Question86:-The maximum shear stress for a rectangular section of width b and depth d subjected to shearing force F is
A:-`(F)/(bd)`
B:-`(4)/(3)` `(F)/(bd)`
C:-2 `(F)/(bd)`
D:-1.5 `(F)/(bd)`
Correct Answer:- Option-D
Question87:-The percentage reduction of total live load for first storey below the top most storey may be taken as
A:-Nil
B:-20%
C:-30%
D:-10%
Correct Answer:- Option-D
Question88:-The strengthening of foundation of an existing building having shallow footings when a building with a deep
foundation has to be constructed adjoining to it
A:-Under pinning
B:-Shoring
C:-Pitting
D:-Raking
Correct Answer:- Option-A
Question89:-The uppermost or central voussoir of an arch is
A:-Jamb
B:-Soffit
C:-Key
D:-Impost
Correct Answer:- Option-C
Question90:-Vertical window which is built on a sloping surface of roof is
A:-Bay window
B:-Dormer window
C:-Gable window
D:-Clerestorey window
Correct Answer:- Option-B
Question91:-The king post and queen post of a truss roof is subjected to
A:-Compressive stress
B:-Transverse stress
C:-Tensile stress
D:-Either compressive or tensile
Correct Answer:- Option-C
Question92:-Carbonate and non-carbonate hardness can be removed by
A:-Lime
B:-Heating
C:-Lime and sodium carbonate
D:-Sodium Aluminate
Correct Answer:- Option-C
Question93:-The rate of filtration for slow sand filter is about``
A:-100-200 L/hr/`m^2`
B:-2000-4000 L/hr/`m^2`
C:-5-20 L/hr/`m^2`
D:-1-2 L/hr/`m^2`
Correct Answer:- Option-A
Question94:-Nalgonda technique is used for the removal of
A:-Iron
B:-Sodium
C:-Potassium
D:-Fluoride
Correct Answer:- Option-D
Question95:-The amount of free residual chlorine in treated water should be
A:-0.05 −2 mg/L
B:-0.2 −1 mg/L
C:-1.2 −1.5 mg/L
D:-0.1 −0.5 mg/L
Correct Answer:- Option-B
Question96:-The indicator organism for finding the microbiological quality of water is
A:-Pseudomonas
B:-Staphylococcus
C:-Coliforms
D:-Micro algae
Correct Answer:- Option-C
Question97:-Gaseous pollutant responsible for lung cancer is
A:-`CO_2`
B:-CO
C:-`NO_x`
D:-`SO_2`
Correct Answer:- Option-B
Question98:-Winkler's method is used for the determination of
A:-Chlorine
B:-Chloride
C:-Hardness
D:-Dissolved oxygen
Correct Answer:- Option-D
Question99:-If soil is dried beyond its shrinkage limit it will show
A:-Increase in volume
B:-Decrease in volume
C:-Non volume change
D:-Sudden decrease in volume
Correct Answer:- Option-C
Question100:-A biological treatment process where suspended growth of microorganism is formed is
A:-Trickling filter
B:-Aerated lagoon
C:-Oxidation pond
D:-Activated sludge process
Correct Answer:- Option-D