RPSC Assistant Engineer

Rajasthan Public Service Commission (RPSC) conducts the RPSC AE examination to recruit Assistant Engineers in the State Engineering Services of the Government of Rajasthan (GoR).

An Assistant Engineer is specifically appointed in the various departments of the state to supervise projects, infrastructure, and activities related to new developments in Rajasthan.

RPSC AE exam provides a golden opportunity for engineering graduates who have completed their engineering degree and aspire to serve as an Assistant Engineer in the Rajasthan state government.

RPSC recruits engineers from various engineering disciplines primarily Mechanical Engineering and other disciplines as well.

RPSC Assistant Engineer: Important Highlights
Conducting Authority RPSC
Post Assistant Engineer
Selection Process Written Test
Exam Date To be notified
Official Website https://rpsc.rajasthan.gov.in/home

Eligibility Criteria

Educational Qualification-

B.E/B.Tech or Diploma in Electrical/Mechanical/Civil Engineering from a recognised institution or Equivalent from a recognized institute.


Working knowledge of Hindi written in Devnagri script and knowledge of Rajasthani culture.

Age Limit:

The age limit for the post of RPSC AE will be as follows: -

  • Minimum Age: 20 Years
  • Maximum Age: 40 Years

Note: Age relaxation will be allowed as per government norms.

Exam Pattern

RPSC Assistant Engineer: Exam Pattern
Part Subject Type of Question No of Questions Marks Exam Duration
Part A General knowledge of Rajasthan MCQ 40 40 2:30 Hours
Part B Concerned Subject MCQ 110 110
Total 150 150  

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



The syllabus for the competitive examination for the post of Assistant Engineer is as follows:


Unit-I: History, Culture & Heritage of Rajasthan -

  • Pre & early history of Rajasthan. Age of Rajputs: Major dynasties of Rajasthan and the achievements of prominent rulers. Emergence of Modern Rajasthan: factors of socio-political awakening of 19th century; Peasants and tribal movements of 20th century; Political struggle of 20th century and the integration of Rajasthan.
  • Visual Art of Rajasthan - Architecture of forts and temples of Rajasthan; Sculpture traditions of Rajasthan and various schools of painting of Rajasthan. Performing Arts of Rajasthan - Folk music and musical instruments of Rajasthan; folk dance and folk drama of Rajasthan.
  • Various religious cults, saints and folk deities of Rajasthan.
  • Various dialects and its distribution in Rajasthan; literature of Rajasthani language.

Unit-II: Geography, Natural Resource & Socio-Economic Development of Rajasthan -

  • Geography of Rajasthan: Broad physical features- Mountains, Plateaus, Plains & Desert; Major rivers and lakes; Climate and Agro-climatic regions; Major soil types and distribution; Major forest types and distribution; Demographic characteristics; Desertification, Droughts & Floods, Deforestation, Environmental Pollution and Ecological Concerns.
  • Economy of Rajasthan: Major Minerals- Metallic & Non-Metallic; Power Resources- Renewable and Non-Renewable; Major agro-based industries Textile, Sugar, Paper & Vegetable oil; Poverty and Unemployment; Agro-food parks.

Unit-III: Current Events and Issues of Rajasthan and India -

Important Persons, Places and Current Events of the State. National and International events of importance. New Schemes & Initiatives taken recently for welfare & development in Rajasthan.


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.


The RPSC (Rajasthan Public Service Commission) conducts the Assistant Engineer Exam to recruit engineering graduates for the post of Assistant Engineer in various departments under the Government of Rajasthan.

A candidate must have completed B.E/B.Tech or Diploma in Electrical/Mechanical/Civil Engineering from a recognised institution or Equivalent from a recognized institute and having a working knowledge of Hindi written in Devnagri script and knowledge of Rajasthani culture.

The age limit for RPSC AE is generally between 20 and 40 years, with relaxation for certain categories as per government rules. Candidates should check the official notification for the specific age criteria.

Yes, there is a negative marking in the RPSC AE examination. For every wrong answer, one-third of the marks allotted to that question shall be deducted as a penalty.

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