SSC JE Syllabus 2020: Exam Pattern, Syllabus for Paper 1 & 2

JUNIOR ENGINEERS ( MECHANICA) EXAMINATION 2020

Indicative Syllabus
The standard of the questions in Engineering subjects will be approximately of the level of Diploma
in Engineering (Civil/ Electrical/ Mechanical/Electronics) from a recognized Institute, Board or
University recognized by All India Board of Technical Education. All the questions will be set in SI
units. The details of the syllabus are given below:

Paper-I

(i) General Intelligence & Reasoning: The Syllabus for General Intelligence would include
questions of both verbal and non-verbal type. The test may include questions on analogies,
similarities, differences, space visualization, problem solving, analysis, judgement, decision
making, visual memory, discrimination, observation, relationship concepts, arithmetical reasoning,
verbal and figure classification, arithmetical number series etc. The test will also include questions
designed to test the candidate’s abilities to deal with abstract ideas and symbols and their
relationships, arithmetical computations and other analytical functions.

(ii) General Awareness: Questions will be aimed at testing the candidate’s general awareness of
the environment around him/her and its application to society. Questions will also be designed to
test knowledge of current events and of such matters of everyday observations and experience in
their scientific aspect as may be expected of any educated person. The test will also include
questions relating to India and its neighbouring countries especially pertaining to History, Culture,
Geography, Economic Scene, General Polity and Scientific Research, etc. These questions will be
such that they do not require a special study of any discipline.
(iii) General Engineering (Mechanical):

Part-A

Mechanical Engineering – Theory of Machines and Machine Design, Engineering Mechanics and

Strength of Materials,Properties of Pure Substances, 1st Law of Thermodynamics, 2nd Law of Thermodynamics, Air

standard Cycles for IC Engines, IC Engine Performance, IC Engines Combustion, IC Engine Cooling

& Lubrication, Rankine cycle of System, Boilers, Classification, Specification, Fitting &

Accessories, Air Compressors & their cycles, Refrigeration cycles, Principle of Refrigeration Plant,

Nozzles & Steam Turbines.

Properties & Classification of Fluids, Fluid Statics, Measurement of Fluid Pressure, Fluid kinematics,

Dynamics of Ideal fluids, Measurement of Flow rate, basic principles, Hydraulic Turbines,

Centrifugal Pumps, Classification of steels.

Paper-II

(Mechanical Engineering):

(1) Theory of Machines and Machine Design:-

Concept of simple machine, Four bar linkage and link motion, Flywheels and fluctuation of energy,

(2) 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.

(3) 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, Bucking of columns – Euler’s and Rankin’s theories, Thin walled pressure vessels.

(4) Thermal Engineering

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 of cyclic process, Non Flow Energy Equation, Flow Energy & Definition of

Enthalpy, Conditions for Steady State Steady Flow; Steady State Steady Flow Energy Equation.

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 of ideal gas processes.

Carnot Cycle & Carnot Efficiency, PMM-2; definition & its impossibility.

(5) 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 Boilers.

Air Compressors & their cycles; Refrigeration cycles; Principle of a Refrigeraton Plant; Nozzles &

Steam Turbines

(6) Fluid Mechanics & Machinery

Properties & Classification of Fluid : 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, continuity

equation.

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.

(7) Production Engineering

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.

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