MPSC Main - Mechanical Engineering Paper I Standard: Degree in Mechanical Engineering Total Marks: 200 Nature of Paper: ConventionalType Duration: 3 Hours Note: 1) Answers to this paper must be written in English only 2) This paper will test the candidate's ability to comprehend, to analyze, to interpret, to criticize and to appraise subject matter related to the topics/sub- topics mentioned below. 3) For judging candidates' conceptual understanding, appropriate number of numerical problems will be asked. 4) It is expected from candidates to study the latest and recent developments and happenings pertaining to the topics/sub- topics mentioned below. Section – A (Marks: 50) Materials and Their Behavior 1) Fundamentals : Force, moment, couple, resultant of forces, Equilibrium of forces, friction and friction angle, coulomb friction, rolling friction and belt friction, frictional torque in pivot and Collar bearings, MI, Work and energy 2) Strength of Materials : Normal and Shear stresses, Stress-strain diagram, thermal stresses, shear force and bending moment diagrams, bending stresses in solid, hollow and built up sections, deflection of beams, shear stress distribution, strain energy, torsion of bars, shafts and helical springs, Deflection of beam under different conditions, impact load 3) Theory of Machines : Kinematic link, pair, chain, Mechanism and structure, degrees of freedom, Cams, Gear trains, fluctuation of speed and energy in flywheel, Gyroscope, Balancing of rigid rotor, Single and multi-cylinder engines and V-engines, belts and chain drives, Hydrodynamic bearing 4) Engineering Materials : Crystalline structure of metals and alloys, defects in crystalline materials, Iron-Carbon equilibrium diagram, plain carbon steel, alloy steel, cast iron and types, Brass and Bronze, Aluminum, lead, Tin, Zinc- their properties and applications, Plastic deformation, bearing materials, plastics, ceramics ,composite materials, Heat treatment of steels Moving average. Ultrasonic and Laser. critical and whirling speed of shaft. fatigue consideration in design 7) System Design : Design of mechanical systems. value analysis . refrigeration and air conditioning systems. Merchant's force analysis. couplings 6) Design of Gears : (Spur. specification of components. pneumatic and hydraulic systems. electroplating. CPM and PERT. High energy rate forming. Replacement models. queuing models. shearing. Design of system including material handling systems. ECM.welding. transportation and assignment models. soldering. punching. Design of clutches and brakes. keys. moulding -Types. moving range. reamers. scheduling. power plants. surface finishing processes 11) Manufacturing Management : Production planning and control. spinning and forging. Machinability economics. coining. Taylor's tool life equation. Longitudinal . PAM. cutting fluids. embossing. drawing. factor of safety. assembly line balancing. forecasting . law of gearing. combined stresses Pressure vessels. piercing. hot and cold working of metals . helical. etc 10) Manufacturing Processes : Casting.Section . TPM Elements of cost. Tool materials. game theory. Chip removal.transverse and Torsional vibration. equipments and defects. EOQ models. Jigs and fixtures Recent machining methods .B( Marks : 50 ) Machine Design 5) Design of Elements: Theories of failure.blanking. milling cutter.EDM. etc 8) Dynamics of machines : Inertia force analysis. estimation of machining time 12) Operation Research: Linear programming -Graphical and simplex methods. twist drills. bevel and worm). exponential smoothening. Metal joining processes. broaches. Calculation of cutting force on single point cutting tools. Statistical quality control and TQM. brazing. job costing. vibration isolation Section – C ( Marks : 50 ) Manufacturing Science and Processes 9) Manufacturing Science : Theory of metal cutting. free-forced vibration. Design of Shafts and springs. Inventory Control – ABC analysis. process costing. interference and minimum number of teeth. struts and columns Design of Screw and bolt. power screw. customer needs. QFD. Machining centers. FMS. stepped and step less regulation of speed. Computer Aided Process Planning. primitives. human factors in design. legal issues in product design. product architecture.D( Marks : 50 ) CAD / CAM 13) CAD : Overview and benefits of CAD. chatter. kinematic analysis of open and closed loop mechanisms. Slide ways and guide ways 16) CAM: Types of automation. CMM. optimum design. constrained optimization . product design methods . objective trees. concept generation and selection. manual and NC part programming. APT. finite element analysis . value engineering method Design for manufacturing . stiffness matrix. bearing sand shafts 14) Product Development : Design materials. Bazier curves and splines . Wireframe modeling. product specifications.Penalty function method. Vibration of machine tools. 2D / 3D animation. weighted objective method. Steps in NC manufacturing. computer aided optimum design of gears. morphological chart method. CIMS & its components. surface and solid modeling. product development processes.function analysis. structural and ray diagrams for speed. economics 15)Machine Tool Design : Kinematics of machine Tools. applied ergonomics. static and dynamic rigidity of machine tools. Robotics .Section . heat transfer from rods. appropriate number of numerical problems will be asked.mass and mole concentration . Heat and Mass Transfer 1) Thermodynamics: 01) Fundamentals. Thermal efficiency and work ratio 2) Heat and mass transfer: 01)Various modes of heat transfer. to interpret. to analyze. Newton's and Stefan Boltzmann’s law. mean effective pressure.Mass transfer. fins of uniform cross section 02)Convection. applications. 3) For judging candidates' conceptual understanding. Section A (Marks: 50) Thermodynamics. increase of entropy.Thomson Coefficient Gas power cycles. to criticize and to appraise subject matter related to the topics/sub. brake power 03) Vapour Power Cycles. Joule . Binary vapour cycle. Zeroth law . combined modes. general differential equation. factors influencing. overall heat transfer coefficient Conduction-Thermal conductivity. Second law (theoretical treatment only). steady state. indicated power. analysis restricted to parallel and counter flow exchangers Thermal Radiation-Black and non black bodies.First law. availability and irreversibility. compressibility factor.Carnot and Rankine. performance.topics mentioned below. linear heat flow through a plain and composite wall. Reheating and regenerative feed heating. Fourier's.quality of energy. conduction with heat sources.Forced and Natural.Air standard work output and efficiency. real gases. 4) It is expected from candidates to study the latest and recent developments and happenings pertaining to the topics/sub. Heat Exchangers-Types. Third law 02) Ideal gas.Paper II Standard: Degree in Mechanical Engineering Total Marks: 200 Nature of Paper: Conventional Type Duration: 3 Hours Note: 1) Answers to this paper must be written in English only 2) This paper will test the candidate's ability to comprehend.Work.topics mentioned below. efficiency. Kirchhoff’s law. Heat.application to thermodynamic system components. measurement. tube and sphere. grey body radiation exchange . Automobile Engineering. Circuits. Continuum concept. power plant economics and selection Steam power plant . Kinematics and Dynamics of fluid. power stations Hydroelectric power plant . Sensors 6) Power Plant Engineering : Sources of energy. CI Engines . Refrigeration and Air Conditioning 8) IC Engines: 01) Fuel air cycles. parameters Emission Control Systems Supercharging . volumetric efficiency and thermal efficiency. variable load problem. Pneumatics and Hydraulics. cookers. different systems. Thermionic and MHD systems. pumps.site selection.Section – B (Marks: 50) Fluid Mechanics and Machinery. Pneumatic counters. properties of ideal and real fluids. turbine auxiliary systems . operation Electrical systems and instrumentation 7) Energy Engineering : Energy conservation methods. operation. flow through machines. testing of IC engines Compressors . combustion chambers Detonation . Nuclear Power Plants – basic components. combustion.Classification. SI Engines .Types. general layout. arrangement. Geothermal Plants Direct Energy Conversion . reheating Jet propulsion . Lagrangian and Eulerian approach Fluid statics. system design. Power Plant Engineering.regeneration. compressors and blowers 5) Pneumatics and Hydraulics: Production of compressed air. real cycles. area calculations.Components and Systems. Pneumatic control. types of superchargers 02)Cooling. Dimensional analysis .Knock rating of fuels.boilers. Laminar flow of viscous fluids. policies and programmes for energy and environment conservation Section – C (Marks: 50) IC Engines. driers. energy transfer between fluid and rotor. Cogeneration Plants. reheating. cogeneration.effect of altitude on power output.fuel injection. combustion.heat balance and efficiency Gas turbine power plant . electro Pneumatic logic circuits.carburetion.Fuel Cells. audit Solar energy -collectors. performance Gas turbines – Ideal cycles. site selection Biogas plants . regeneration. Govt. refrigeration systems Wind energy -rotors. Energy Engineering 3)Fluid Mechanics : Fluid and flow-definition and types. Thermoelectric. auxiliary systems. Turbulent flow.centrifugal and axial. Solar Systems . ideal and actual slip Hydraulic turbines. typical applications. combustion chambers. intercooling. flow in pipes. lubrication and ignition systems.power plants. plant performance. Compressible fluid flow 4) Fluid Machinery: Introduction. Numerical Analysis and Computer Programming. open and closed loop control. Comparators. Automobile engines. wheels and tyres. static and dynamic performance characteristics of devices. emission norms 10)Refrigeration and Air Conditioning : Refrigeration and heating systems. Direct and distributed numerical control. ducting systems. vapour compression and vapor absorption refrigeration systems.9) Automobile Engineering: Testing of automobiles. linear and contouring systems. Computer numerical control. derivative and integral control. steady state and transient response analysis. vibration and noise Data acquisition systems 02) Metrology: Standards of linear measurement. Point to Point. proportional controls. temperature. Programming using C and C++ languages for. error . adaptive control 14) Automatic Control : Components of automation . brakes. psychrometrics. Tooling for NC systems. Automatic Control 11) Mechanical Measurement: 01)Measuring instruments. determination of roots of polynomials and transcendental equations. Numerical solution of ordinary differential equations 13) Numerical Control of Machine Tools : Components. controllers. Mathematical models. resistances to motion. Logic control and PLCs. generalized measuring systems. suspension systems. Block diagrams. frames. speed control systems . estimating requirements. surface texture 12) Numerical Analysis and Computer Programming : Approximations and round of errors. Factory communication. transfer function. strain.displacement. calibration.frequency response methods. Measurement of geometric forms. drive line and rear axle. solar radiation.actuators. Interferometry. transmission systems. forward and Central Difference relations. automotive air conditioning Section – D (Marks: 50) Measurement and Metrology. Measurement of . refrigeration equipments. Backward. Measurement of screw threads and gears. different inputs. curve fitting. angular velocity. flow. power requirement for propulsion. force and torque. steering systems. Limit gauges. sensors. actuation and feedback systems. root locus .sources and analysis Sensors and Transducers. Limits and Fits. starter motors. truncation errors and Taylor series. Numerical Control of Machine Tools. pressure.Solutions of linear simultaneous algebraic equations. vision systems.