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10 November 2016

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KERALA PSC VOCATIONAL TEACHER 10-11-2016 SOLVED PAPER

VOCATIONAL TEACHER
MAINTENANCE AND REPAIRS OF AUTOMOBILES,VHSE
EXAM DATE:10-11-2016
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1.Which of the following type of layout is suitable for automobile manufacture?
A.Process layout
B.Product layout*
C.Fixed position layout
D.Combination layout
Ans:B

2.A water supply pipeline changes its alignment through a bend when the flow in the pipeline is increased by operating a valve.The flow in the bend is classified as:
A.Steady uniform flow
B.Unsteady uniform flow
C.Unsteady,non-uniform flow*
D.Steady,non-uniform flow
Ans:C
3.The factor to be cosidered in design of hydrodynamic journal bearing is
A.Specific pressure
B.Rubbing speed
C.Viscosity of lubricant
D.All of the above*
Ans:D
4.How many slip systems are present in an HCP crystal structure?
A.3*
B.6
C.12
D.None of these
Ans:A
5.Which stainless steel is used in cryogenic vessels?
A.Ferritic
B.Austenitic*
C.Martensitic
D.None of the above
Ans:B
6.If the first and last gears are at the same axis,then the type of gear train is known as:
A.Compound gear train
B.Epicyclic gear train
C.Reverted gear train*
D.Unlaxial gear train
Ans:C
7.The main advantage of the line organisation is:
A.Quick decision at all the levels
B.Defined responsibilities at all the levels
C.Effective control
D.All of the above*
Ans:D
8.A public Limited Company can be started by:
A.Not less than 7 persons*
B.Not less than 3 persons
C.Not less than 2 persons
D.None of the above
Ans:A
9.Which component is also called wrist pin?
A.King pin
B.Piston pin*
C.Shackle pin
D.Cotter pin
Ans:B
10.The term ‘valve lash’in case of overhead valve engine refers to:
A.Valve noise when it hits the seat
B.Clearance between valve up and valve actuating component*
C.Clearance between valve face and seat
D.Valve noise when it hits the rocker tip
Ans:B

11.When the stroke is more than the bore in a piston engine,it is called:
A.Over-square engine
B.Boxer engine
C.Under-square engine*
D.None of the above
Ans:C
12.The material on the pisitive plate of a fully charged lead acid battery is:
A.Lead peroxide seen as chocolate brown colour*
B.Spongy lead seen as grey colour
C.Lead peroxide seen as grey in colour
D.Spongy lead seen as chocolate brown in colour
Ans:A
13.The necessity of a radiator cap is to:
A.Increase the boiling point of the coolant
B.Relieving the system pressure when required
C.Relieving the system vacuum when required
D.All of the above*
Ans:D
14.The working principle of a conventional automobiles clutch is:
A.Pascal’s law
B.Bernoulli’s principle
C.Friction*
D.Hydraulic pressure
Ans:C
15.The component which gives out the heat into atmosphere in a conventional car A/C system is:
A.Evaporator
B.Compressor
C.Condenser*
D.None of the above
Ans:C
16.In Hotchkiss drive for a conventional heavy vehicle,the driving thrust is taken by
A.Propeller shaft
B.Shock absorber
C.Leaf spring*
D.All of the above
Ans:C
17.In a torque converter system,the engine flywheel is directly connected to:
A.Impeller*
B.Stator
C.Turbine
D.Vane pump
Ans:A
18.In the case of poppet valves,valve guide makes contact with:
A.Valve head
B.Valve face
C.Valve stem*
D.Valve margin
Ans:C
19.The movement of a vehicle with respect to its transverse axis is called:
A.Rolling
B.Pitching*
C.Yawing
D.None of the above
Ans:B
20.In full floating type axle arrangement,the axle casing has to take up:
A.Driving torque
B.Vehicle load*
C.All of the above
D.None of the above
Ans:B
21.Without considering the number of cylinders,which engine will have the least crank shaft length:
A.Inline engine
B.V engine
C.W engine
D.Radial engine*
Ans:D
22.In a Wankel engine,the four processes viz,suction,compression,power and exhaust happens within:
A.1/3 rotation
B.1/2 rotation
C.2 rotations
D.1 rotation*
Ans:D
23.EGR system helps mainly in reducing which pollutant?
A.Co2
B.CO
C.HC
D.Nox*
Ans:D
24.In a 4 stroke engine,if the crank shaft gear has 30 teeth,then the camshaft gear will have:
A.15 teeth
B.60 teeth*
C.120 teeth
D.None of the above
Ans:B
25.In a conventional distributor less ignition system equipped on a six cylinder engine,the minimum number of ignition coils will be:
A.6
B.2
C.3*
D.None of the above
Ans:C
26.In a conventional ignition system,the condenser is located:
A.Inside the distributor cap*
B.On the distributor shaft
C.On the ignition coil
D.None of the above
Ans:A
27.Double declutching is required during:
A.Up-shifting
B.Down-shifting*
C.Shifting to neutral
D.Shifting to reverse
Ans:B
28.In a normal head lamp,theoretically the reflector should have the shape:
A.Elliptical curve
B.Parabolic curve*
C.Hyperbolic curve
D.Hemispheric curve
Ans:B
29.Automotive alternator housing is made up of:
A.Cast-iron
B.Pressed steel
C.Aluminium*
D.None of the above
Ans:C
30.When the clutch free pedal play is excessively increased then:
A.Gear engagement becomes smooth
B.Gear engagement becomes hard*
C.Clutch life increases
D.Both A and C
Ans:B
31.The effect of centrifugal force is more prominent in the working of:
A.Coil spring clutch*
B.Diaphragm spring clutch
C.Both coil spring and diaphragm spring clutch equally
D.Neither coil spring nor diaphragm
Ans:A
32.During stall period in a torque converter
A.Maximum torque multiplication occurs
B.Turbine is stationary and impeller is rotating at engine speed
C.Maximum slip occurs
D.All of the above*
Ans:D
33.In which type of differential gears,the pinion shaft axis lies below the crown wheel axis?
A.Straight bevel gear arrangement
B.Spiral bevel gear arrangement
C.Hypoid gear arrangement*
D.All of the above
Ans:C
34.In a normal differential,the ends of the cross or spider will be held in the:
A.Sun gear
B.Pinion gear
C.Crown gear
D.Star gear*
Ans:D
35.The component which connects the leaf spring set to the axle casing is:
A.Centre bolt
B.Shackle
C.U bolt*
D.Leaf clamp
Ans:C
36.The helper spring comes into action when:
A.The load on the main leaf set is more
B.The deflection of the main leaf set is more
C.Both A and B*
D.None of the above
Ans:C
37.The ultimate energy conversion happening in a hydraulic shock absorber is:
A.Vertical force into hydraulic energy
B.Vertical force into heat energy*
C.Vertical force into pressure energy
D.None of the above
Ans:B
38.In a propeller shaft if the length of the shaft is decreased by half,then the:
A.Critical whirling speed is increased by four times*
B.Critical whirling speed is decreased by four times
C.Critical whirling speed is increased twice
D.Critical whirling speed is decreased to half
Ans:A
39.Which type of front suspension gives maximum space for engine installation?
A.Wishbone suspension system
B.Mac Pherson strut suspension system*
C.Trailing link suspension system
D.Vertical guide suspension
Ans:B
40.The ride quality of a vehicle will be maximum when:
A.The sprung weight is maximum*
B.The sprung weight is minimum
C.The upsprung weight is maximum
D.Both A and C
Ans:A
41.The front stabilizer rod is used to reduce the tendency of a vehicle to:
A.Roll*
B.Pitch
C.Yaw
D.Bounce
Ans:A
42.In Ackermann steering system,perfect steering condition is attained only during
A.2 positions of steering
B.3 positions of steering*
C..Straight ahead position only
D.All the steering positions
Ans:B
43.In a normal steering linkages used in a rigid axle suspension vehicle,the component between the cross shaft and the drag link is:
A.Tie rod
B.Track rod
C.Pitman arm*
D.Steering arm
Ans:C
44.The metal used as balancing weights in wheel balancing is:
A.Copper
B.Steel
C.Lead*
D.Brass
Ans:C
45.In a spoke wheel,while handling the braking torque,the spokes are subjected to:
A.Tension*
B.Compression
C.Bending stress
D.Shearing
Ans:A
46.In a conventional hydraulic actuated drum brake,if it is twin leading type,minimum number of wheel cylinders required are:
A.One
B.Two*
C.,Four
D.Wheel cylinder not required
Ans:B
47.In an air brake system,the valve that the driver can actuate is:
A.Dual brake valve*
B.Unloader valve
C.System protection valve
D.Non return valve
Ans:A
48.The component which restricts the flow of current from battery to generator is:
A.Regulator diodes
B.Voltage regulator
C.Current regulator
D.Cut-out relay*
Ans:D
49.The city of Varanasi is situated on the banks of river.
A.Sutlej
B.Yamuna
C.Ganga*
D.Godawari
Ans:C
50.Sasthamkotta lake is the only major fresh water lake in Kerala belong to which district?
A.Thiruvanathapuram
B.Kollam*
C.Alappuzha
D.Ernakulam
Ans:B
51.In which year Prime Ministers Gramodaya Yojana(PMGY)started?
A.2000*
B.2001
C.2004
D.2005
Ans:A
52.Who is known as the father of Indian Politics and Economics?
A.P.C.Mahalanobis
B.M.Visveswarayya
C.Adam Smith
D.Dadabhai Naoroji*
Ans:D
53.Who is the present chairman of NITI Aayog?
A.Prime Minister Narendra Modi*
B.Aravind Panagaria
C.Montek Singh Aluvalia
D.Anurag Thakkur
Ans:A
54.THe fourth visit of  Mahatma Gandhi in Kerala is connected with:
A.Vaikom Satyagraha
B.Khilafat Movement
C.Upliftment of the Harijans*
D.Temple entry proclamation
Ans:C
55.Who was the founder of Secret Society Anusilan Samithi’?
A.Barindra Kumar Gosh*
B.Aurobindo Gosh
C.Subhash Chandra Bose
D.Rashbihari Gosh
Ans:A
56.When did Balgangadhar Tilak declared ‘Swaraj is my birth right and I will have it’?
A.1905
B.1907
C.1914
D.1916*
Ans:D
57.Where is the headquarters of Coconut Development Board?
A.Koxhi
B.Kochi*
C.Thiruvanathapuram
D.Thrissur
Ans:B
58.The Anamudi Peak is  in the High Range of:
A.Malappuram district
B.Kollam district
C.Idukki district*
D.Wayanad district
Ans:C
59.The first to perform mirror consecration in South India.
A.Sree Narayana Guru
B.Vaikunda Swamikal*
C.Sahodaran Ayyappan
D.Chattampi Swamikal
Ans:B
60.Who was the founder of the Sidhasramam at Alathur in Palakkad district?
A.Brahmananda Sivayogi*
B.Vagbhatananda
C.Pandit Karuppan
D.Chattampi Swamikal
Ans:A
61.Where was Ayya Vaikunda Swamikal born in 1809?
A.Kottayam
B.Swamithoppil*
C.Kannanmula
D.Alathur
Ans:B
62.In which year Kuriakose Elias Chavara Achan declared as blessed one?
A.2010 December
B.2011 January
C.2013 January
D.2014 November*
Ans:D
63.Who is known as Lincoln of Kerala?
A.Kuriakose Elias Chavara
B.K.P.Karuppan*
C.Poikayil Yohannan
D.Dr.Palpu
Ans:B
64.Who is the president of World Bank?
A.Kim jong
B.Shinzo Abe
C.Jim Yong Kim*
D.Mong Palatino
Ans:C
65.Who is the director of Malayalam film Kathakali?
A.Vijaibabu
B.R.S.Vimal
C.Basil Joseph
D.Saijo Kannanaikkal*
Ans:D
66.Ace Against odd is the autobiography of:
A.Saina Nehwal
B.P.V.Sindu
C.Sania Mirza*
D.Martina Hingis
Ans:C
67.Who is the Vie Chairman of State Planning Board?
A.Dr.V.K.Ramachandran*
B.Dr.R.Ramesh
C.Dr.B.Iqbal
D.Aravind Panganda
Ans:A
68.Andy Murray,winner of Wimbledon title for Men’s single 2016,belongs to which country?
A.USA
B.France
C.Spain
D.Britain*
Ans:D
69.Joule-Thomson coefficient for an ideal gas having equation Pv=RT is:
A.Unity
B.Infinite
C.0.5
D.Zero*
Ans:D
70.Cycle consisting of two isothermal and two isobaric processes is:
A.Ericsson*
B.Joule
C.Stirling
D.Otto
Ans:A
71.Axial thrust will be negligible in case of:
A.Helical gears
B.Spiral gears
C.Herringbone gears*
D.Bevel gears
Ans:C
72.Coarse grained steels:
A.Are very tough
B.Are less tough*
C.Do not have a tendency to distort
D.Are lighter
Ans:B
73.A critical path has:
A.Zero slack*
B.Minimum slack
C.Maximum slack
D.Infinite slack
Ans:A
74.Energy loss due to friction in laminar flow can be calculated either using Darcy’s equation or Hagen-Poiseuille equation where friction factor is:
A.32/Re
B.64/Re*
C.16/Re
D.None of these
Ans:B
75.The shaft vibrations at nodes are:
A.Maximum
B.Zero*
C.Minimum
D.Unpredictable
Ans:B
76.In metals subjected to cold working,strain hardening effect is due to:
A.Twinning mechanism
B.Fracture mechanism
C.Dislocation mechanism*
D.None of the above
Ans:C
77.Scheduling is:
A.Alloting a job to a operator
B.Alloting a job to a machine
C.Fixing the time of completion of a job
D.Detailing the sequence of operation job wise and machine wise*
Ans:D
78.The impeller used in mud pumps is:
A.Open type*
B.Semi open type
C.Shrouded on one side only
D.Shrouded on both sides
Ans:A
79.A mechanism forms a structure when the degrees of freedom is equal to:
A.2
B.1
C.0*
D.-1
Ans:C
80.Which of the following defect can occur due to improper design of a gating system?
A.Shrinkage
B.Porosity
C.Mould erosion
D.Any of the above*
Ans:D
81.PERT is mainly useful for:
A.Large projects
B.Large and complex projects
C.Research and development projects*
D.Any small or large projects
Ans:C
82.Zeroth law of thermodynamics defines.
A.Internal energy
B.Enthalpy
C.Temperature*
D.Pressure
Ans:C
83.In a vibrating system the damping factor is unity,then:
A.The system will have no vibration
B.The system will be highly damped
C.They system will be critically damped*
D.The system will be under damped
Ans:C
84.In EDM,the number of discharges per minute may be as high as:
A.3000
B.6000
C.60,000
D.600,000*
Ans:D
85.Work sampling is used to find:
A.Percentage occurence of certain activity*
B.Rating of a job
C.Pre-determined motion time data
D.Standard time for a repetitive operation
Ans:A
86.If the diameter of a centrifugal pump impeller is doubled keeping the discharge and speed constant,then the head needs to be reduced by:
A.16 times*
B.4 times
C.2 times
D.8 times
Ans:A
87.A parabolic cam is so named because its:
A.Profile is parabolic
B.Follower displacement vs time plot is parabolic*
C.Follower velocity vs time plot is parabolic
D.Follower accelaration vs time plot is parabolic
Ans:B
88.The tool may fail suddenly because of:
A.Crater wear
B.Flank wear
C.Both carter and flank wear
D.Spailing*
Ans:D
89.Break-even analysis is a:
A.Short term analysis*
B.Long term analysis
C.Average of short and long term analysis
D.None of the above
Ans:A
90.A double-slider four-bar mechanism consisting of two turning pairs and two sliding pairs,will have a degree of freedom equal to:
A.1
B.2
C.3*
D.4
Ans:C
91.A ship is seen to enter sea from a river.Its depth of submergence will:
A.Increase
B.Decrease*
C.Remains same
D.Depend on the material of the ship
Ans:B
92.Position feedback device on NC machine is:
A.Shaft encoder
B.Linear scales
C.Inductosyns
D.Any of the above*
Ans:D
93.If the unit ordering cost is doubled,then the EOQ will:
A.Be halved
B.Be doubled
C.Increase by 1,414 times*
D.Decrease by 1,414 times
Ans:C
94.The rivet head used for structural work such as roof trusses is usually:
A.Pan head
B.Snap head*
C.Conical head
D.Counter snuk head
Ans:B
95.Bernoulli’s equation is applicable between any two points in:
A.Rotational flow of an incompressible fluid
B.Irrotational flow of compressible or incompressible fluid
C.Steady rotational flow of an incompressible fluid
D.Steady,irrotational flow of an incompressible fluid*
Ans:D
96.The standard input file format for 3-D printing using Fused Deposition Method is:
A..stl*
B..igs
C..pdf
D..stp
Ans:A
97.Which of the following material is difficult to be spot welded?
A.Stainless steel
B.Copper*
C.Coid rolled mild steel
D.Hot rolled mild steel
Ans:B
98.Which of the following is a technique for forecasting?
A.Exponential smoothing*
B.Gantt chart technique
C.PERT/CPM
D.Control charts
Ans:A
99.A control volume refers to:
A.A specified mass
B.A fixed region in space*
C.An isolated system
D.A reversible process
Ans:B
100.Which process does not increase the fatigue strength?
A.Cold working
B.Shot peening
C.Grinding and lapping
D.Hot working*
Ans:D


1 comment:

  1. We all walk in the dark and each of us must learn to turn on his or her own light.-Earl Nightingale.
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