WBPSC Junior Engineer Exam

The candidates who wish to do govt job in west bengal have to check Syllabus & exam pattern for this exam. The WBPSC Junior engineer syllabus is available here. The WBSPC Syllabus includes various sub topics that are covered in the examination. candidates who want to get job in West Bengal government have to prepare well. we provide complete preparation tips for WBSPC JE Exam. Candidates who wish todownload West Bengal Syllabus have to download here. we provide a direct link to download this syllabus. the Syllabus & exam pattern will help to know the Exam duration, heightage of the exam, topices that are included in the exam & all other important details regarding the examination

WBPSC Junior Engineer Exam Pattern @ www.pscwbonline.gov.in

  • WBPSC JE Exam conducted as objective test.
  • test Duration is 2 hours.
  • total Number of Question – 100
  • Each Question carriees 2 marks.
  • exam conductes for 200 marks
online_exam
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S.No Exam Subject Questions Marks Duration
1. Written Test Civil/ Mechanical/ Electrical 100 200 2 Hours

 

S C H EME

The examinationwillcomprisetwo successivepartsasfollows:–

  • a) WrittenExamination-FullMarks-200,Time-2hours:ThewrittenexaminationwillconsistofonepapercoveringEngineering subjects(MultipleChoiceObjectiveTypeQuestions)foreachofthethreebranches.Therewillbe100questionscarrying2markseach.The standard and syllabus ofthewritten examinationare mentionedintheappendix(Appendix‘A’, ‘B’&‘C’).
  • b) PersonalityTest-FullMarks-100:Alimitednumberofcandidates,selectedontheresultsofthewrittenexamination,willbe calledtoPersonalityTestcarrying100marks.FinalmeritlistwillbepreparedonthebasisofthetotalmarksobtainedintheWritten ExaminationandthePersonalityTes
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SYLLABUS FOR WRITTEN TEST FOR RECRUITMENT TO THE POST OF JUNIOR ENGINEERS (MECHANICAL) IN WEST BENGAL SUBORDINATE SERVICE OF ENGINEERS

  1. 1. STRENGTH OF MATERIALS
  1. a) Stress,Strain,Elasticity–

Tensile,Compressive andStear Stresses,Hooke’s Law,Tensiletest onM.S.,Factor ofSafety,Young’sModulus,Modulusof rigidity,BulkModulus,Poission;sRatio,TemperatureStress,HoopStress,LongitudinalStress,Strainenergy.Ductility, Mobility&Plasticity.

  1. b) Rivetted Joints –Types ofjoints,failureofrivettedjoints,efficiencyofjoints,rivetjoints inpressurevessel,structural join
  1. c) F.andB.M.–Definition ofbeam,type ofbeam,typesofloads,S.F. andB.M.diagramsforcantilever, simplysupported and overhungbeamswithpoint loadsandU.D.L.,Point ofContraflexure.
  1. d) BendingStress–Assumptionsinsimplebending,Momentofresistance,Sectionmodulus,Flitchedbeam,difference between neutralaxis andneutral plane.
  1. e) Torsion ofcircular shafts(solid andhollow)–Torqueequation,power transmitted,FlangeCouplings.
  1. f) ClosedCoilhelicalspring–Stressinspring,deflection,stiffness ofsprings,springsinseriesandparallel.
  1. g) Deflectionofbeam–Cantilever,simply supportedandoverhungbeamswithpointloadandUDL,Superposition,Macaulay’sM
  1. h) ColumnsandStruts–DefinitionofColumnandstrut,typesofcolumns,slendernessratio,criticalload,Euler’sFormula, Rankine–Gordon’sFormula(bothendsfixed,oneendfixed,otherendhinged,bothendshinged,oneendfixed,other end free–equivalentlength).
  1. 2. ENGINEERINGMECHANICS
  1. a) Centreofgravityand momentofInertia–

C.G.ofregularareasandvolumes,M.I.ofregularareas,PerpendicularAxisTheorem,ParallelAxisTheorem,MassM.I.of thincylinder.

  1. b) Work,Power,Energy–Definitions,Units,ConversionofUnits,Kineticenergy,Potentialenergy,Power–M.K.S.anI. units.
  1. c) TransmissionofMotionandPower–

Beltdrive–Velocityratio,Simple andCompounddrive,InitialTension,CentrifugalTension,Powertransmitted,Speedfor maximumpower,CreepinBelt, belt length,Flat beltandV-belt drive–comparison.

Gear Drive–Types ofgears,gear trains,types ofgeartrains, elementsofspurgear, power transmitted.

  1. d) LiftingMachines –Definitions,Mechanicaladvantage,velocityratio,efficiency,conditionfornon-reversibility,velocityratio fordifferenttypesofliftingmachines(simpleanddifferentialwheelandaxle,differentialpulley,screwjack,singlepurchasecrab,wormandwheel).
  1. e) Friction–Definitions, Laws offriction,angleoffriction,angleofrepose, limitingfrictions,coefficient offriction.
  1. 3. FLUID MECHANICSANDMACHINES
  1. a) Propertiesoffluid,units,measurementofpressurebymanometers,Totalpressureandcentreofpressureofimmersedflat surfaces, buoyancy andfloatings,types ofequilibriumoffloatingbodies.
  1. b) Types offluidflow,Types ofenergy,Continuityequation,Bernoulli’sTheorem.
  1. c) Measurementoffluid flow –Venturimeter,Oripicemeter,Cd,Cvand Ccoforipice,Notches(Rectangular andVee),Pilottube, d) Lossesinflowthrough pipes,Reynold’s number–its significance.
  2. e) ReciprocatingPumps–Types,WorkingPrincipleofaReciprocatingPump,PumpWork,efficiency,Slip,Power,usesofAir

Vessels, separationandcavitations,careandmaintenanceofreciprocatingpumps.

  1. f) CentrifugalPump–Types,parts,pumpheads,workingprinciple,priming,selectionofpumps,specificspeed,workdone, power, efficiency, performance, starting, care andmaintenanc
  1. g) Vert Turbine Pump. h) Submersible Pump.
  2. 4. HEATPOWER
  1. a) Unitsofpressure,Temperature,work,power,heat,firstandsecondlawsofthermodynamics,internalenergy,enthalpy, entropy –unitofentropy.
  1. b) Differencebetween gas andvapour,characteristicequationsof perfectgas,Universal gasconstant,Specific heats atconstant pressureandconstantvolume–their relationship,typesofnon-flowprocess forgases.
  1. c) I. Engines–OttocycleandDieselcycle–representationonP.V.andT-Sdiagram,thermalefficiency,comparison,Duel

Combustion cycle–P-V andT-S diagram,use, parts ofI.C.Engine.

Working principle of petrol engine – 4-stroke and 2-stroke cycle engines, simple carburettor, preignition, Detonation, Supercharging,ignition systems.

WorkingPrincipleofDieselengine–4-strokeand2-strokecycleengines,Airinjectionandsolidinjection,supercharger&Torque convertor.

Scavanging,valvetiming,governingofI.C.Engines,PerformanceofI.C.Engine–indicatordiagram,Indicatedpower,brake power, mechanical efficiency,thermal efficiencies,efficiencyratio,specificfuel consumption.

Cooling systems ofI.C.engines,components ofcoolingsystem. Care andmaintenance – lubricationofI.C.engines.

  1. d) Air Compressor–

Purposeofusingcompressors,fieldofapplication,classification,principleofworkingofreciprocatingaircompressor(singlestage)anditsperformance,typesofrotarycompressors,comparisonbetweenreciprocatingandrotarycompressors,safety, careandmaintenance.

  1. e) Refrigerator andAir-conditioning–

Refrigerating effect,C.O.P.,Propertiesofrefrigerants,Refrigerants and pollution. Air Refrigeration –ReversedCarnofCycle,BellColemanCycle,uses.

Vapour CompressionRefrigeration–working principle,functionof components,uses. Air-conditioning–Definition,types,factorsofcontrol.

  1. 5. MANUFACTURINGPROCESS
  2. a) Heat treatmentofSteel –

Carbon Steeland alloy steel, structural steel and tool steel.   Iron carbondiagram (Phrases and temperatures of transformation),Hypoandhyperentectoidsteel.

Concept ofheattreatment ofsteelandits purpose.

Differentheattreatmentprocesses-Annealing,normalizing,hardening,tempering,casehardeningprocess–Carburising, Nitriding,Cyaniding(Principle,Purposeanduses).

SurfaceHardening–FlameHardening,InductionHardening. Heattreatment ofH.S.S.cutting tools(Principle& purposes). Heattreatmentfurnaces. Compositionof differentalloy.

  1. b) Pattern Making–

Definition ofpattern,patternmaterials, selectionof patternmaterial,advantages and limitations ofwooden and metalpatterns, patternallowances,reasonsfor pattern allowances,factors controlling the allowances,types ofpattern–fieldsofapplication.

  1. c) Moulding–

Classificationofmouldingprocess,propertiesofmouldingsand,preparationofmouldingsand,mouldingtools,Greensand mouldingcope,drag,runner,riser,gatings,drysandmoulding, loammoulding,fitmoulding,machinemoulding.

  1. d) Casting–

Melting ofmetals–furnacesrequired(Cupola, Tilting furnace).

Castingprocess–sandcasting,diecasting,centrifugalcasting,malleablecasting,investmentcasting(processinbriefand fieldofapplication).

Fettlingofcasting,defects in castings,remedies,safetyprecautionsincasting,testing ofcastings.

 

  1. e) Weldingandalliedprocesses–

Definitionofwelding,classification,gasweldingprocedure,equipments,application,safety,typesofflames–uses,function,

useand types of fluxes.

Arc welding – principle, equipments, applicationsafety. Resistance welding–spot, butt, seamandprojection. Welding–principle,equipments, uses.

Thermitwelding– principle ofoperations and applications. Special weldingtechniques –TIG,MIG, Electron Beam welding.

Plasma Art welding, Electroslagwelding,laser welding–principle and application.

Defects in welding,remedies.

Soldering,brazing – principle,application.

  1. f) Fitting –

Variousoperationsand correspondingtools used,measuringtools, markingtools,specifications, care and maintenanceof tools.

  1. g) Mechanicalworkingof metal–

Forging –  types (Hand, Power, Drop and press forging –  Principles  of  operation), tools  used,  forging  operations, characteristics,advantagesand defects offorged parts.

Extrusion –definition,types,principles ofoperation,advantages,field ofapplication.

Rolling– principles of hot andcoldrolling,fieldofapplication,types ofrolling mills–uses,spinning,wiredrawing–principleof operation,fieldof application.

 

 

  1. 6. MACHINE TOOLS
  2. a) Introduction–definition,classification,basicelementsandpurposeofmachinetools,safetyinmachineshop,machinetool drives–classification.
  3. b) Metalcutting–purposeandclassificationofcuttingtools,cuttingtoolmaterials–comparativestudy,orthogonalandoblique cutting,toollife,toolwears, machinability,cuttingfluids– properties,purposes and types.
  4. c) LatheandLathework

Types,classificationofLatheCentreLathe specification, parts,accessories,attachments,feedmechanism,feedreversing mechanism,operations– turning,facing, taper turning,threadcutting,boring, knurling etc. differenttypes oflathe tools, tools elements,toolsignature, cutting speed,feed, depthofcut.

  1. d) DrillingMachine

Classificationandspecificationofvarioustypesdrillingmachines,construction,usesandlimitationsofdifferenttypesof drillingmachines,differenttypesofdrills–specifications, nomenclatureoftwistdrills,tapdrillsize,differentoperationsin drillingmachines,work holdingdevices,toolholdingdevices.

  1. e) ShaperandPlaner

Classificationandspecificationofshaper,partsofshaper–theirfunctions,workholding devices,drivingmechanism,quick returnmechanism,strokelength adjustment,strokepositionadjustment,feedmechanism,shaper operations,clapper box.

Classificationandspecificationofplaner,differentpartsof planner,drivingmechanism,quickreturnmechanism,operation, comparisonofshaper andplaner.

  1. f) MillingMachine

Classification,specificationofmillingmachinesnamesandfunctionsofdifferentpartsofplain,verticalanduniversalmilling machines,attachments,millingprocess,millingoperations,millingcutter–classification,negativerakemilling,safety,care andmaintenance ofmillingmachine.

  1. g) Gear Cutting

Gear cuttingbyformedmillingcutter, indexing simple anddifferential,angularindexing. Rackcutter,pinioncutter, gearhob–workingprinciple,jobtoolmovement.

  1. h) GrindingandGrinders

Grinding wheel– composition,abrasives–types, properties,uses,bonds–types and uses,Grit, gradeand structureof wheels,factorsin selectinggrindingwheel,mountingofwheels,glazingandloading,dressing,tracingandbalancingof grindingwheels,careandmaintenanceofgrindingwheels,external,internalandsurfacegrinding,centrelessgrinding, horningandlapping.

  1. i) Jigs and Fixtures

Definition,comparison,purpose, location,clamping,guidebushes. j)    Non-traditionalmachining

Classification,advantagesof non-traditionalmachining,EDM,ECM,USM,LBM–workingprinciple,advantages,limitation, fieldofapplication.

  1. k) NumericalControlMachineTools

Meaning ofNCandCNC, advantagesofCNC, variouscomponents ofNC andCNCmachine toolsandtheir functions. l)    Differenttypesofthread&their use.

Maintenance ofmachinery&equipments. Limits&Fits.  Air&Waterpollutionandcontrol.

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