## JE Mechanical Syllabus

The standard of the questions in Engineering subjects will be approximately of the level of Diploma in Engineering (Civil/Electrical/Mechanical) from a recognized Institute, Board or University recognized by All India Board of Technical Education.

The details of the syllabus are given below:

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## Quantitative Aptitude:

Algebra

Alligations and mixtures

Area

Problems on Age

Averages, Mean, Median and Mode

Boat Problems

Chain rule

Discount

Data Interpretation

Games and Races

Heights and distances

Inequalities

Number Series

LCM and HCF

Linear Equations

Logarithms

Number theory

Number System – Fractions, Decimals

Partnerships

Percentage

Permutation and Combinations

Pipes and Cisterns

Points, lines and angles

Probability

Profit and Loss

Progressions

Quadratic Equations

Ratio and Proportions

Remainder theorem and unit digit

Sets and Venn Diagrams

Simple and Compound Interest

Simplification and Approximation

Speed, Distance and Time

Stocks and shares

Data Sufficiency

Surds, Indices, Exponents, and Powers

Surface area

Time and Work

Problems on Train

Trigonometry

Volumes

Work and Wages

## Reasoning:

Alphanumeric series

Reasoning Analogies

Artificial Language

Blood Relations

Calendars

Cause and Effect

Clocks

Coding-Decoding

Critical path

Cubes and cuboids

Data Sufficiency

Decision Making

Deductive Reasoning/Statement Analysis

Dices

Directions

Embedded Images

Figure Matrix

Input-Output

Mirror and Water Images

Odd One Out

Picture Series and Sequences

Paper Folding

Puzzles

Pattern Series and Sequences

Order & Ranking

Seating Arrangements

Shape Construction

Statement and Assumptions

Statement and Conclusions

Syllogism

**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 neighboring 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.

## English

Rules For Tenses

Rules For Prepositions

List of Prepositions

Rules and List of Conjunctions

Active And Passive Voice Rules

List of One Word Substitutions

List of Homophones/Homonyms

List of Synonyms and Antonyms

Idioms And Phrases

Spotting the Error

Reading Comprehension

Cloze Test

Letter Writing Format

Precis Writing

Sentence Correction Questions

Adjective Degree Of Comparison Rules

Article Rules

Direct & Indirect Speech Rules

Sentence Rearrangement & Para jumbles

## 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.

**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,

Bucking of columns – Euler’s and Rankin’s theories,

Thin walled pressure vessels.

**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 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

**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 Refrigeration Plant; Nozzles & Steam Turbines

**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.

**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.