Important Topics For GATE Mechanical Engineering




Following Topics are very important for GATE Examination

Subject wise Priority List

  • Mathematics
  • Manufacturing Science
  • Industrial Engineering
  • SOM
  • TOM
  • Design
  • Thermodynamics
  • Fluid Mechanics
  • Heat Transfer
  • RAC
  • Power plant
  • IC Engine
  • Engineering Materials
  • Engineering Mechanics



Mathematics


  • Probability and Statistics
  • Eigen Values and Eigen Vectors
  • Differential Equations
  • Transform Theory
  • Numerical Methods
  • Calculus, Gradient, Multiple Integrals
  • Complex Variables
  • Matrix Algebra
  • Fourier Series
  • Partial Derivatives



Manufacturing Science


  • Theory of metal cutting, forces, tool life
  • Rolling calculations
  • Wire drawing and Extrusion Calculations
  • Sheet metal operations, clearance, force, power, shear calculations
  • Lathe, drilling, milling, shaping cutting time calculations
  • Grinding and finishing
  • ECM MRR, feed calculations, EDM theory, comparison of all NTMM
  • NC, CNC, Machine, BLU calculations, upto M & G code
  • Limit, tolerance, fit
  • Jig & Fixture, 3-2-1 principle
  • Welding: V-I Characteristics calculations, Resistance welding calculations
  • Casting: allowances, Riser Design, Sprue Design, Pouring time calculations, Special Castings

Industrial Engineering


  • EOQ Models (VIMP)
  • PERT & CPM (VIMP)
  • Queuing Model (VIMP)
  • Forecasting (VIMP)
  • LPP
  • Work Study & Work Measurement (standard time calculations, theriblings symbol) g) Break even Analysis
  • The Scheduling Problem and Johnson’s Rule
  • Assembly line balancing

SOM


  • Principal Stress and Strain (VIMP)
  • Stress and Strain (VIMP)
  • Bending Moment and Shear Force Diagram (VIMP)
  • Torsion
  • Riveted and Welded Joint
  • Spring
  • Theories of Column (Euler method, end conditions)
  • Strain Energy Method (Castigliano’s theory)
  • Theories of failure
  • Thin and Thick cylinder

TOM


  • Mechanism (VIMP)
  • Linear Vibration Analysis of Mechanical Systems (VIMP)
  • Gear train (VIMP)
  • Flywheel (Coefficient of Fluctuation of speed, Coefficient of Fluctuation of energy)
  • Design
  • Rolling Contact Bearings, Load-life Relationship
  • Sliding contact bearing, Modes of Lubrication, Sommerfeld Number
  • Fluctuating Load Consideration for Design
  • Clutch , Brake

Thermodynamics


  • Basic Concepts
  • Application of First law
  • Entropy, Availability
  • Pure Substance (VIMP)
  • Gases and Gas mixture
  • Thermodynamics relations

Fluid Mechanics


  • Properties of fluid
  • Pressure measurement, manometers
  • Fluid kinematics (VIMP)
  • Bernoulli’s Equation
  • Venturimeter
  • Boundary Layer, Thermal Boundary Layer
  • Compressible Flow
  • Hydraulic Turbine
  • Centrifugal Pump

Heat Transfer


  • Conduction
  • Critical Thickness of Insulation
  • Unsteady Conduction (Lumped Parameter Analysis)
  • Heat Exchangers (LMTD, NTU)
  • Radiation (The Stefan-Boltzmann Law, Shape Factor Algebra, Heat Exchange between Nonblack Bodies)



RAC


  • Heat engine, heat pump, refrigerator (VIMP)
  • Vapour Compression Systems
  • Psychrometry (VIMP)

Power plant


  • Steam Cycle (VIMP)
  • Gas Cycle
  • Compressor

IC Engine


  • Gas Power Cycles (All) (VIMP)
  • IC Engine Performances
  • Octane number, cetane number

Engineering materials


  • Iron-carbon Equilibrium diagram, TTT diagram,
  • Heat treatment,
  • Crystal structure & crystal defects

Engineering Mechanics


  • Equilibrium
  • Truss



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