GATE ME Lecture Plan

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GATE Mechanical Engineering Lecture Plan

Heat and Mass Transfer 

Total  Duration Of Course 30 Hours

Each Class is of 3 Hours

Day 1

Conduction

Introduction, Modes of Heat transfer, conduction through a slab, conduction through a composite slab. Conduction-convection  H.T. through a composite slab.
Day 2

Conduction

Radial conduction H.T. through a hollow cylinder, critical Radius of Insulation. The physical significance of critical Radius of insulation. Radial conduction H.T. through a hollow sphere
Day 3

Conduction

Heat generation in a slab. Heat generation in a cylinder. Numericals

Assignments and Test

Day 4

Fins

Analysis of Rectangular fin. Fin is infinitely long. Fin is finite in length but its tip is Insulated. Fin efficiency. Fin effectiveness.

Assignments and Test

Day 5

Transient conduction Heat Transfer

Unsteady state Heat conduction. Criteria for lumped heat capacity analysis. Numerical.

Assignments and Test

Day 6

Heat Exchangers

Classification of H.E. Parallel flow H.E. Counter flow H.E. Crossflow H.E. Effectiveness of H.E. Number of Transfer units (NTU). Effectiveness – NTU Method.

Assignments and Test

Day 7

Radiation

Basic definitions regarding thermal Radiation. Absorptivity, Reflectivity & Transmissivity. Governing laws of Thermal Radiation. Shape factor. Reciprocity theorem.

Day 8

Radiation

Radiation heat exchange blows two infinitely large parallel plane surfaces. Radiation H.E. blows two infinitely long concentric cylindrical surfaces. Radiation Networks. Irradiation & Radiosity.

Assignments and Test

Day 9

Convection

Forced convection H.T. Physical significance of dimensionless no. in forced convection H.T. Thermal Boundary layer. The significance of Prandtl no. Stanton No.
Day 10

Convection

Forced convection in flow through pipes. Natural convection. Grashoff No. Rayleigh No.

Assignment and Test

Three Full Syllabus Test

Machine Design

Total  Duration Of Course 30 Hours

Each Class is of 3 Hours

Day 1

Static & Dynamic Loading

Introduction to designing. Fluctuating stress cycles. Fatigue failure, endurance limit. Fatigue Design (S-N curve). Analysis of variable load.

Day 2

Static & Dynamic loading

Soderberg criteria. Gerber criteria. Goodman criteria. Stress concentration. Notch sensitivity.

Assignment and Test

Day 3

Bolted joint & Riveted Joint

Eccentric loading in the bolted joint. Steps for pesigring. Classification of Riveted joint.
Day 4

Riveted joint & Welded Joint

Tearing failure, shearing failure, Bearing failure. Classification of Weld.

Day 5

Welded Joint

Parallel fillet weld. Transverse fillet weld. Design of fillet weld. Transverse butt. Weld.

Assignment and Test 

Day 6

Bearing

Classification of Bearing. Antifriction bearing. Ball Bearing. Roller Bearing. Analysis of Tournal Bearing.
Day 7

Bearing

Classification of journal Bearing. Significance of Bearing characteristic No. OR Bearing Modulus. Relation blow friction & speed of shaft Rating life.

Assignment and Test

Day 8

Clutch & Brake

Classification of the clutch. Uniform pressure theory & uniform wear theory. Multiplate clutches, classification of Brakes. Analysis of shoe Brake, simple Band-Brake
Day 9

Brake & Spur Gear

Differential Band Brake. Force Analysis used for Gear tooth. Design of spur gear-Lewi’s eq. Wear strength of gear tooth.
Day 10

Spring, Key, Cotter-Joint

Helical spring, Expression for stiffness. Deflection of spring, cotter joint. Types of key.

Assignment and Test

Three Full Syllabus Test

Theory of Machine

Total  Duration Of Course 60 Hours

 

Each Class is of 3 Hours

Day 1

Simple Mechanism

Kinematic link, Types of relative motions, Kinematic pairs & its classification, types of joints, Kinematic chain, Degree of freedom, Grubler’s Equation, Four Bar mechanism.
Day 2

Simple Mechanism and Motion Analysis

Grashof’s law, Single-slider crank mechanism and its inversions, Double-slider crank chain and its inversions.
Day 3

Simple Mechanism Motion Analysis

Mechanical advantage, Toggle Mechanism, Transmission Ansle. I – centre Method approach, Kennedy’s theorem.
Day 4

Motion Analysis

Relative velocity Method, acceleration Analysis
Day 5

Motion Analysis & Gyroscope

Coriolis acceleration, the concept of Angular velocity & Angular acceleration.

Assignment and Test

Day 6

Gyroscope

Active Gyroscopic couple, Gyroscopic effect on Aircraft & ships during Turing.

Assignment and Test

Day 7

Gears

Classification of gears, General gear terminology, the law of gearing, Involute & cycloidal profiles. Analysis of involute gears.
Day 8

Gears

Analysis of involute gears, Interference,
Day 9

Gear Trains

Simple gear train, compound gear train, Reverted gear train, Epicyclic gear train.
Day 10

Gear trains & Flywheel

Planetary gear trains. Kinematic analysis of single-slider crank Mechanism. Dynamic analysis of single-slider crank Mechanism.

Assignment and Test

Day 11

Flywheel & Cam

Turning moment diagram Classification of cam & classification of followers. Different angles of cam.
Day 12

Cam

Cam Terminology motions of follower  uniform velocity motion, uniform acceleration & Retardation motion, S.H.M., cycloidal Motion

Assignment and Test

Day 13

Governors

The basic concept of centrifugal governing. Watt governor. Porter governor. Proell governor. Hartnell gov. Effect of static friction on the performance of centrifugal gov. Stability of gov. Hunting of gov. Isochronous gov.
Day 14

Governors & Vibration

Controlling the force diagram. Natural vibration. Energy Method. Torque Method.

Assignment and Test

Day 15

Vibration

Rayleigh’s Method. Longitudinal vib. in beams. Transverse vib. in beams.
Day 16

Vibration

Damped systems, Free damped systems, Logarithmic decrement

Day 17

Vibration

Forced damped systems, Vibration Isolation
Day 18

Vibration & Balancing

Whirling of shafts. Static Balancing of Rotating masses. Dynamic Balancing. Balancing of Reciprocating masses  Primary Balancing of Reciprocating masses.

 

Assignment and Test

Day 19

Balancing

Variation in Tractive forces. Variation in a swaging couple. Hammer Blow. Secondary Balancing. Roll of firing order of multi-cylinder In-line engine in Balancing.
Day 20

Balancing

Direct & Reverse crank Method. Numerical.

Assignment and Test

Three Full Syllabus Test

Thermodynamics

Total  Duration Of Course 27 Hours

Each Class is of 3 Hours

Day 1

Introduction

Introduction (system, surrounding). Properties of the system, Macroscopic & microscopic Approach, Gibb’s phase rule, Zeroth law of thermodynamics. Temperature  Scales, Gas laws.

Day 2

Energy Interactions

 Modes of energy transfer.  Non-flow work. Representation of various Process on P-V diagram. Ideal gas.
Day 3

Energy Interactions &  law of thermodynamics

 Heat, specific heat. The law of thermodynamics, Enthalpy, Heat transfer in various processes.

Day 4

 The law of thermodynamics 

Free expansion. Control volume energy Analysis. S.F.E.E. applied for various processes. Kelvin-plank & Clausius statement.
Day 5

 Law of thermodynamics & Entropy

 Carnot cycle principles. Clausius inequality. Second law efficiency. Introduction to entropy.

Assignment and Test

Day 6

Entropy

 Fixed mass entropy analysis, T-S diagram, T-ds equations, Entropy calculations, Some standard entropy situations.
Day 7

Entropy & Available Energy

Control volume Entropy Analysis, Reversible work in a steady flow process, Thermal energy at a single temp, Thermal energy with a finite incompressible body, Gas contained in a cylinder, Flowing fluid.

Assignment and Test

Day 8

Available Energy & Properties of Pure Substance  

 Irreversibility, Enthalpy & entropy at various Points, Various diagrams, H-S diagram (Mollier diagram)
Day 9

Thermodynamic Relations

Maxwell Relations, T.ds partial differential equation, Joule- Thompson coefficient, Clausius-Clapeyron equation.

Assignment and Test

Three Full Syllabus Test

Metal Casting

Total  Duration Of Course 12 Hours

Each Class is of 3 Hours

Day 1

Metal Casting

Definition of casting, Pattern, Types of allowances, Core design, Moulding sand, Elements of gating design.
Day 2

Metal Casting

Design of Gate, Top gate & Bottom gate, Fluidity, choke Area, Pressurised & un-pressurised gating, Solidification time, Riser Design.
Day 3

Metal Casting

Classification of casting, Shell Moulding, Investment casting, Full Moulding, CO2 Moulding, Centrifugal Casting, Gravity Die Casting.
Day 4

Metal Casting

Hot chamber Die casting, Cold chamber Die Casting, Slush Casting, Continuous casting, Cleaning of Castings, Casting defects.

Assignment and Test

Three Full Syllabus Test

Power Plant

Total  Duration Of Course 24 Hours

Each Class is of 3 Hours

Day 1

Brayton Cycle

The gas turbine, Brayton cycle, Thermal efficiency of simple Brayton cycle, Effect of pressure patio on efficiency & Network output, Pressure ratio for maximum efficiency.
Day 2

Brayton cycle & Rankine cycle

Pressure ratio for max. Work output, Isentropic efficiency, Regeneration, an efficiency of Ideal Regenerative cycle, Intercooling.
Day 3

Brayton cycle & Rankine cycle

Reheating, Rankine cycle, the efficiency of the Rankine cycle, Methods to improve the performance of the Rankine cycle.

Assignment and Test

Day 4

Rankine cycle

Reheat cycle, Regeneration, types of feed water-Heater.

Assignment and Test

Day 5

Reciprocating Compressor

A reciprocating compressor, work input required with clearance volume, volumetric efficiency, multi-stage compression,
Day 6

Reciprocating compressor & Centrifugal Compressor

Intermediate pressure for minimum work input, Cylinder dimension in multistage compression, Principle of Rotating machine, Centrifugal compressor.
Day 7

Centrifugal Compressor

Velocity diagram for centrifugal comp, Slip, slip factor, power input factor, surging, choking, stalling.
Day 8

Axial Flow Compressor

Axial flow compressor, Degree f Reaction

Assignment and Test

Three Full Syllabus Test

Welding

Total  Duration Of Course 9 Hours

Each Class is of 3 Hours

Day 1

Welding

 Classification of welding, Arc Welding principle, Types of welding Machines, Numericals.
Day 2

Welding

T I G Welding, M T G Welding, Plasma Arc Welding, Melting efficiency, Submerged Are welding, Gas Welding, Atomic Hydrogen Welding.
Day 3

Welding

Resistance Welding.  Pressure Welding.  Ultrasonic Welding.  Explosive Welding. Friction Welding.  Electron Beam Welding.  Laser Beam Welding.  Soldering & Brazing.  Welding Defects.

Assignment and Test

Three Full Syllabus Test