RPSC Assistant Engineer

Exam Pattern

Negative Marking: For every wrong answer one-third of marks shall be deducted

Syllabus

Mechanical Engineering

• Unit 1: Fluid Mechanics and Fluid Machinery

  Basic definitions and fluid properties, differential equations of continuity and momentum, manometry, buoyancy, forces on submerged bodies, stability of floating bodies, Bernoulli’s theorem, Flow through pipes, Laminar and Turbulent flow, Boundary layer and its control, Measurement of flow by Venturi meter, Vnotch and Pitot tube, Dimensional analysis, Drag and Lift, Impulse and reaction turbines, Pelton, Francis and Kaplan turbine, their construction, performance and characteristics, specific speed, governing systems, draft tubes, Centrifugal and Reciprocating pumps, Cavitation in pumps, Selection of Pumps and Turbines.

• Unit 2: Thermal Engineering

  Thermodynamic systems and processes, Zeroth law of thermodynamics, Properties of pure substances, First law of thermodynamics applied to closed and open systems, Second law of thermodynamics and their applications, Carnot, Otto, Diesel and Dual cycles, Properties of steam, Vapour power cycles like Rankine, modified Rankine and Reheat cycle, Regenerative cycle. Heat transfer processes; thermal conductivity of solids, liquids and gases; boundary conditions, one-dimensional heat conduction, critical thickness of insulation; fins, Convection, appropriate nondimensional numbers; flow over flat plate; free and forced convection.

  Heat Exchangers: Different types of heat exchangers; arithmetic and logarithmic mean temperature differences; heat transfer coefficient for parallel, counter and cross flow type heat exchanger; effectiveness of heat exchanger. Thermal Radiation: Kirchoff’s law; radiation intensity, heat exchange between two black bodies, between gray bodies.

• Unit 3: Internal Combustion Engines, Refrigeration and Air conditioning, Power Plant Engineering

  Construction and working of 2-stroke and 4-stroke SI and CI Engines, Ideal and actual cycles of operation, fuels, Combustion in SI and CI engines, fuel injection systems, lubrication systems, cooling systems, supercharging, scavenging, engine performance, testing and exhaust emission characteristics

  Air Refrigeration System, air-craft air conditioning systems. Heat Pump cycle. COP, Vapor compression refrigeration: Simple cycle, factors affecting performance of vapor compression cycle, actual vapor compression cycle. Suitability of refrigerants for different applications. Vapor Absorption Refrigeration System. Psychrometry and Psychrometric properties, relations, 3 charts and uses, evaporative cooling, air washers, human comfort, factors affecting comfort, Layout and working principles of Thermal, Hydraulic, Gas and Nuclear power plants. Wind power plants, Solar power plants and other unconventional sources of power.

• Unit 4: Theory of Machines

  Types of Kinematics Pair, Mobility, Inversions, Kinematic Analysis, Velocity and Acceleration analysis of Planar Mechanisms, Cams; Gears and Gear Trains, Flywheel and Turning moment diagrams, Gyroscopic action and Gyroscopic couple, Governors, Brakes and clutches, Belt, Rope and Chain drives, Balancing of Rotating and Reciprocating masses.

  Fundamentals of vibration: Free and Forced vibration, single degree of freedom. Natural frequency, Principle of conservation of energy, Principles of virtual work. Damping. Forced vibrations: Harmonic excitation, Mechanical impedance, Critical speed, Vibration Isolation, whirling of shafts. Two degree of freedom systems.

• Unit 5: Mechanics of Solids, Machine Design and Engineering Materials

  Stress and strain in two dimensions, Principal stresses and strains, isotropy and anisotropy, Uniaxial loading, thermal stresses, Bending moment and shear force diagrams, bending stresses and deflection of beams, Torsion of shafts, Combined stresses, Elastic stability of columns.

  Design for strength, Stress concentration, Introduction of various design considerations like strength, stiffness, weight, cost, factor of safety, space etc; Design of shaft, coupling, springs, clutch, brakes, bearings, Gear, thick and thin cylinder, Concept of fracture in ductile and brittle metals, Creep behaviour in metals.

  Crystal structure, space lattice, Miller indices, Imperfection in crystals, mechanism of plastic deformation, Theory of work hardening and recrystallization, concept of creep, fatigue and fracture, Phase diagrams, Heat treatment of steels, Plain carbon steel, alloy steels, effect of alloying elements in steel, composition, application and properties of common engineering materials.

• Unit 6: Production and Industrial Engineering

  Foundry– Patterns and their allowances, moulding sand and its properties, moulding and casting methods, Principles of welding, brazing and soldering, Metal forming– Rolling, Forging, Extrusion and Drawing, Principles of metal cutting, Various cutting tools, Tool wear and tool life, Jigs and Fixtures, 4 Economics of machining, Types of machine tools. Standards of measurements, Limits, Fits and Tolerances, Linear and Angular measurements. Numerical control machine tools, CAM, FMS, CIMS, principles of non-traditional machining processes. Type of business, public corporations and co-operative societies, Forms of organization, management structure, work-study and productivity, motion study, time study, theory of work sampling, Material handling: functions, engineering & economic factors, Production Planning and Control, Product life cycle, concurrent engineering, types of plant layout

• Unit 7: Operation Research and Production Management

  Linear programming, Assignment, Transportation, Game Theory, Statistical quality control, Inventory control, Forecasting, Aggregate planning, MRP, MRPII, Scheduling. Break-Even analysis, make v/s buy decision, Concept of CPM and PERT.