SSC JE Mechanical Syllabus 2020-21

Are you preparing for SSC JE Mechanical Exam then its a great way to start with SSC JE Mechanical Syllabus. So GATExplore has categorized SSC JE Syllabus for Mechanical with a weightage of (Paper 1 & 2) in detail.

This year Staff Selection Commission is going to conduct an examination to recruit candidates for different posts. So aspirates appear in the exam they must check SSC JE Mechanical Syllabus below.

If you have chosen the Mechanical exam as your subject, then you might notice that SSC JE Syllabus for Mechanical is so vast that it sometimes gets confusing to figure out where to begin.

Must Read: All about SSC JE 2020 Exam

SSC JE 2020-21 Mechanical Syllabus

The SSC JE Mechanical exam is going to take place in 2 stages Paper-I & Paper-II. The first stage Paper I will be an objective type exam while Paper II will be a conventional type subjective exam.

SSC JE Paper 1 Syllabus for Mechanical

General Intelligence & Reasoning (Weightage – 50 Marks)

• 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

General Awareness (Weightage – 50 Marks)

• 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 neighboring countries especially pertaining to History, Culture, Geography, Economic Scene, General Polity and Scientific Research, etc.

Must Read: SSC JE 2020 Application Form – Apply Now

SSC JE Paper 1 (Part -C) & Paper 2

Theory of Machines and Machine Design (Weightage: 7-10 Marks)

• 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 (Weightage: 12-15 Marks)

• 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

Thermal Engineering (Weightage: 20-25 Marks)

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 & coefficient 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

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
• Combustion
• IC Engine Cooling & Lubrication

Rankine cycle of steam (Weightage: 20-25 Marks)

• 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 Refrigeration Plant
• Nozzles, Steam Turbines

Properties & Classification of Fluid (Weightage: 28-32 Marks)

• 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

• Streamline
• 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

Production Engineering (Weightage: 12-15 Marks)

Classification of Steels

• Mild steel & 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

SSC JE Mechanical Syllabus PDF – Download Here

Must Read: SSC JE 2020-21 Important Dates