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