# Important Topics for GATE Mechanical Engineering 2020

The competition is growing day by day for mechanical students it’s very important to competition among within the mechanical group. GATExplore readers get an opportunity to get the details of important topics to be covered which will be analyzed from previous GATE papers. In this article, we will be explaining the important topics which help the student to focus on these topics to get a good score and stand ahead in GATE exam.

## Important Subjects based on Priority

1. Mathematics
2. Manufacturing Science
3. IndustrialEngineering
4. SOM
5. TOM
6. Design of Machine
7. Thermodynamics
8. Fluid Mechanics
9. Heat Transfer
10. RAC
11. Power plant
12. IC Engine
13. Engineering Materials
14. Engineering Mechanics

## Important topics for GATE Mechanical Engineering

a)Probability and Statistics

b)Eigen Values and Eigen Vectors

c)Differential Equations

d)Transform Theory

e)Numerical Methods

g)Complex Variables

h)Matrix Algebra

i)Fourier Series

j)Partial Derivatives

a)Theory of metal cutting, forces, tool life

b)Rolling calculations

c)Wire drawing and Extrusion Calculations

d)Sheet metal operations, clearance, force, power, shear calculations

e)Lathe, drilling, milling, shaping cutting time calculations

f)Grinding and finishing

g)ECM MRR, feed calculations, EDM theory, comparison of all NTMM

h)NC, CNC, Machine, BLU calculations, upto M & G code

i)Limit, tolerance, fit

j)Jig & Fixture, 3-2-1 principle

k)Welding:

V-I Characteristics calculations, Resistance welding calculations

l) Casting:

allowances, Riser Design, Sprue Design, Pouring time calculations, Special Castings

a)EOQ Models (VIMP)

b)PERT & CPM (VIMP)

c)Queuing Model (VIMP)

d)Forecasting (VIMP)

e)LPP (VIMP)

f)Work Study & Work Measurement (standard time calculations, theriblings symbol)

g)Break even Analysis

h)The Scheduling Problem and Johnson’s Rule

i)Assembly line balancing

a)Principal Stress and Strain (VIMP)

b)Stress and Strain (VIMP)

c)Bending Moment and Shear Force Diagram (VIMP)

d)Torsion

e)Riveted and Welded Joint

f)Spring

g)Theories of Column (Euler method, end conditions)

h)Strain Energy Method (Castigliano’s theory)

i)Theories of failure

j)Thin and Thick cylinder

a)Mechanism (VIMP)

b)Linear Vibration Analysis of Mechanical Systems (VIMP)

c)Gear train (VIMP)

d)Flywheel (Coefficient of Fluctuation of speed, Coefficient of Fluctuation of energy)

b)Sliding contact bearing, Modes of Lubrication, Sommerfeld Number

d)Clutch , Brake

a)Basic Concepts

b)Application of First law

c)Entropy, Availability

d)Pure Substance (VIMP)

e)Gases and Gas mixture

f)Thermodynamics relations

a)Properties of fluid

b)Pressure measurement, manometers

c)Fluid kinematics (VIMP)

d)Bernoulli’s Equation

e)Venturimeter

f)Boundary Layer, Thermal Boundary Layer

g)Compressible Flow

h)Hydraulic Turbine

i)Centrifugal Pump

a)Conduction

b)Critical Thickness of Insulation

d)Heat Exchangers (LMTD, NTU)

e)Radiation (The Stefan-Boltzmann Law, Shape Factor Algebra, Heat Exchange between Non-black Bodies)

a)Heat engine, heat pump, refrigerator (VIMP)

b)Vapour Compression Systems

c)Psychrometry (VIMP)

a)Steam Cycle (VIMP)

b)Gas Cycle

c)Compressor

a)Gas Power Cycles (All) (VIMP)

b)IC Engine Performances

c)Octane number, cetane number

a)Iron-carbon Equilibrium diagram, TTT diagram,

b)Heat treatment,

c)Crystal structure & crystal defects

a)Friction (VIMP)

b)Equilibrium

c)Truss

Thanks
GATExplore Team.