JUNIOR TECHNICAL OFFICER – CIVIL – NCA – OBC – KERALA FINANCIAL CORPORATION

FINAL 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