Mechanical Engineering Syllabus for SSC junior engineer exam 2014(For both Objective and Conventional Type Papers)
the junior engineer exam is conducted by staff selection commission where the electrical/mechanical/civil engineering degree/diploma candidates can participate.it consists of two papers one objective and other conventional paper.
the objective paper simply consist of reasoning(50 questions) and technical aptitude questions of respective branches.the mechanical engineering candidates can go through the syllabus given below.
Theory of Machines and Machine Design
Concept of simple machine, Four bar linkage and link motion, Flywheels and fluctuation of
energy, Power transmission by belts – V-belts and Flat belts, Clutches – Plate and Conical
clutch, Gears – Type of gears, gear profile and gear ratio calculation, Governors – Principles
and classification, Riveted joint, Cams, Bearings, Friction in collars and pivots.
Engineering Mechanics and Strength of Materials
Equilibrium of Forces, Law of motion, Friction, Concepts of stress and strain, Elastic limit and
elastic constants, Bending moments and shear force diagram, Stress in composite bars,
Torsion of circular shafts, Buckling of columns – Euler’s and Rankin’s theories, Thin walled
Properties of Pure Substances : p-v & P-T diagrams of pure substance like H2O,
Introduction of steam table with respect to steam generation process; definition of saturation,
wet & superheated status. Definition of dryness fraction of steam, degree of superheat of
steam. h-s chart of steam (Mollier’s Chart).
1st Law of Thermodynamics : Definition of stored energy & internal energy, 1st Law of
Thermodynamics for cyclic process, Non Flow Energy Equation, Flow Energy & Definition of
Enthalpy, Conditions for Steady State Steady Flow; Steady State Steady Flow Energy
2nd Law of Thermodynamics : Definition of Sink, Source Reservoir of Heat, Heat Engine,
Heat Pump & Refrigerator; Thermal Efficiency of Heat Engines & co-efficient of performance
of Refrigerators, Kelvin – Planck & Clausius Statements of 2nd Law of Thermodynamics,
Absolute or Thermodynamic Scale of temperature, Clausius Integral, Entropy, Entropy
change calculation for ideal gas processes. Carnot Cycle & Carnot Efficiency, PMM-2;
definition & its impossibility.
Air standard Cycles for IC engines : Otto cycle; plot on P-V, T-S Planes; Thermal
Efficiency, Diesel Cycle; Plot on P-V, T-S planes; Thermal efficiency.
IC Engine Performance, IC Engine Combustion, IC Engine Cooling & Lubrication.
Rankine cycle of steam : Simple Rankine cycle plot on P-V, T-S, h-s planes, Rankine cycle
efficiency with & without pump work.
Boilers; Classification; Specification; Fittings & Accessories : Fire Tube & Water Tube
Air Compressors & their cycles; Refrigeration cycles; Principle of a Refrigeration
Plant; Nozzles & Steam Turbines
Fluid Mechanics & Machinery
Properties & Classification of Fluids : ideal & real fluids, Newton’s law of viscosity,
Newtonian and Non-Newtonian fluids, compressible and incompressible fluids.
Fluid Statics : Pressure at a point.
Measurement of Fluid Pressure : Manometers, U-tube, Inclined tube.
Fluid Kinematics : Stream line, laminar & turbulent flow, external & internal flow,
Dynamics of ideal fluids : Bernoulli’s equation, Total head; Velocity head; Pressure head;
Application of Bernoulli’s equitation.Measurement of Flow rate Basic Principles : Venturimeter, Pilot tube, Orifice meter.
Hydraulic Turbines: Classifications, Principles.
Centrifugal Pumps : Classifications, Principles, Performance.
Classification of Steels : mild steal & alloy steel, Heat treatment of steel, Welding – Arc
Welding, Gas Welding, Resistance Welding, Special Welding Techniques i.e. TIG, MIG, etc.
(Brazing & Soldering), Welding Defects & Testing; NDT, Foundry & Casting – methods,
defects, different casting processes, Forging, Extrusion, etc, Metal cutting principles, cutting
tools, Basic Principles of machining with (i) Lathe (ii) Milling (iii) Drilling (iv) Shaping (v)
Grinding, Machines, tools & manufacturing processes.