RRB JE Mechanical Syllabus 2024 for CBT 1 and CBT 2

Candidates with Engineering in the Mechanical stream must be looking for the RRB JE Mechanical Syllabus to prepare for the examination scheduled in the upcoming days. RRB JE selection process includes two computer-basted tests i.e. CBT 1 and CBT 2 followed by Document Verification and Medical Examination. Candidates appearing in CBT 1 will be shortlisted based on merit for CBT 2.

For the ease of the candidate, we have tried to cover the detailed RRB JE Mechanical Syllabus here for Paper 2 under Technical Abilities. To ace this tough competition, candidates need to be well-versed in the RRB JE Syllabus and Exam Pattern. Candidates must start preparing now by practicing the detailed topic-wise RRB JE Mechanical Syllabus 2024.

RRB JE Mechanical Syllabus 2024

RRB JE Syllabus 2024 is given here in detail to help you start your preparation early. Check the syllabus for both CBT 1 and CBT 2 here. Check the RRB JE Syllabus for Paper 2 or CBT 2 below:

Mechanical & Allied Engineering Syllabus

Check the detailed syllabus for the candidates from the mechanical stream. Understanding the following topics will help in strategizing your study and planning study for the following topics. For the ease of candidates, we have covered every topic under the mechanical syllabus. Start your preparation now to grab the desired success.

Engineering Mechanics: Resolution of forces, Equilibrium and Equilibrant, parallelogram law of forces, triangle law of forces, polygon law of forces and Lami’s theorem, couple and moment of a couple, condition them for the equilibrium of rigid body subjected to many coplanar non-concurrent for the es, the definition of static friction, dynamic friction, derivation of limiting angle of friction and angle of repose, resolution of forces considering friction when a body moves the on the horizontal plane and inclined plane, calculation of moment of inertia and radius of gyration: (a) I-Section (b) channel section (c) T-Section (d) L-Section (Equal & unequal lengths) (e) Z-Section (f) Built up sections (simple cases only), Newton’s laws of motion (without derivation n), the motion of projectile, D’Alembert’s principle, definition law of conservation of energy, the law of conservation of momentum.

Material Science: Mechanical properties of engineering materials – tensile strength, compressive strength, ductility, malleability, hardness, toughness, brittleness, impact strength, fatigue, creep resistance. Classification of steels, mild, steel, and alloy steels. Importance of heat treatment. Heat treatment processes – annealing, normalizing, hardening, tempering, carburizing, nitriding, and cyaniding.

Strength of Materials: Stress, strastress-strainrain diagram, a factor of safety, thermal stresses, strain energy, proof resilience and modulus of resilience. Shear force and bending moment diagram – cant leaver beam, simply supported beam, continuous beam, fixed beam. Torsion in shafts and springs, thin cylinder shells.

Machining: Working principle of lathe. Types of lathes – Englathesathe – construction details and specifications. Nomenclature of single point cutting tool, geometry, tool signature, functions of tool angles. General and special operations – (Turning, facing, taper turning thread cutting, knurling, forming, drilling, boring, reamikeyway way cutting), cutting fluids, coolants, and lubricants. Introduction to shaper, slotter, plainer, broaching, milling and manufacture of gears, heat treatment process applied to gears.

Welding: Welding – Introduction, classification of welding processes, advantages and limitations of welding, principles of arc welding, arc welding equipment, choice of electrodes for different metals, the principle of gas (oxy-acetylene) welding, equipment of gas welding, welding procedures (arc & gas), soldering and brazing techniques, types and applications of solders and fluxes, various flame cutting processes, advantages and limitations of flame cutting, defects in welding, testing, and inspection modern welding methods, (submerged, CO2, atomic – hydrogen, ultrasonic welding), brief description of MIG & TIG welding.

Grinding & Finishing Process: Principles of metal removal by grinding, abrasives, natural and artificial, bonds and binding processes, vitrified, silicate, shellac rubber, grinding machines, classification: cylindrical, surface, tool & cutter grinding machine, construction details, relative merits, principles of centreless grinding, advantages & limitations of centreless grinding work, holding devices, wheel maintenance, balancing of wheels, coolants used, finishing by grinding, honing, lapping, super finishing, electroplating, basic principles – plating metals, applications, hot dipping, galvanizing tin coating, parkerising, anodizing, metal spraying, wire process, powder process and applications, organic coatings, oil base paint, lacquer base enamels, bituminous paints, rubber base coating.

Metrology: Linear measurement – Slip gauges and dial indicators, angle measurements, bevel protractor, sine bar, angle slip gauges, comparators (a) mechanical (b) electrical (c) optical (d) pneumatic. Measurement of surface roughness; methods of measurements by comparison, tracer instruments and by interferometry, collimators, measuring microscope, interferometer, inspection of machine parts using the concepts of shadow projection and profile projection.

Fluid Mechanics & Hydraulic Machinery: Properties of fluid, density, specific weight, specific gravity, viscosity, surface tension, compressibility capillarity, Pascal’s law, measurement of pressures, concept of buoyancy. Concept of Reynold’s number, pressure, potential and kinetic energy of liquids, total energy, laws of conservation, mass, energy and moment the um, the velocity of liquids and discharge, Bernoulli’s equation and assumption venturi metersters, pitot tube, current meters. Working principle & constructional details of centrifugal pump, efficiencies – manometric efficiency, volumetric efficiency, mechanical efficiency and overall efficiency, cavity, action, and its effect, working principle of jet & submersible pumps with line diagrams.

Industrial Management: Job analysis, motivation, different theories, satisfaction, performance reward systems, production, planning and control, relation with other departments, routing, scheduling, dispatching, PERT and CPM, simple problems. Materials in industry, inventory control model, ABC Analysis, Safety stock, re-order, level, economic ordering quantibreak-eveneven analysis, stores layout, stores equipment, stores records, purchasing procedures, purchase records, Bin card, Cardex, Material handling, Manual lifting, hoist, cranes, conveyors, trucks, fork trucks.

Thermal Engineering: Laws of thermodynamics, conversion of heat into work and vice versa, laws of perfect gases, thermodynamic processes – isochoric, isobaric, isothermal hyperbolic, isentropic, polytropic,c and throttling, modes of heat transfer, thermal conductivity, convective heat transfer coefficient, Stefan Boltzmann law by radiation and overall heat transfer coefficient. Air standards cycles – Carnot cycle, Otto cycle, Diesel cycle, construction and working of internal combustion engines, comparison of diesel engine and petrol engine. Systems of internal combustion engine, performance of internal combustion engines. Air compressors cycle the refrigeration cycle es, the principle of a refrigeration plant.