GATE 2020 Mechanical Engineering (ME) Exam
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Content Curator | Updated On - Jul 18, 2019
Mechanical engineering is the discipline that applies engineering, physics, engineering mathematics, and materials science principles to design, analyze, manufacture, and maintain mechanical systems. It is one of the 25 papers of GATE exam.
- GATE Mechanical Engineering question paper consists of total 65 questions worth 100 marks.
- GATE Syllabus is based on the topics studied at graduation level.
- Students are required to attempt all the questions in the duration of three hours.
- Check out the new changes introduced by IIT Guwahati in GATE 2020.
- Candidates have to use GATE virtual Calculator for calculations. No physical calculator is allowed in Examination Center.
GATE 2020 is scheduled for February 01, 02, 08 and 09, 2020 in multiple sessions. The online exam conducted for admission to M.tech and Ph.D. courses. Through GATE mechanical engineering exam candidate will be able to take admission in Mechanical Engineering PG courses. Also, they can get jobs in various PSUs based on GATE score.
GATE Mechanical Engineering Syllabus
GATE mechanical engineering syllabus is released by the conducting body on the official website. The syllabus is divided into 4 sections. Candidates can check the section wise syllabus detail as given below:
Section 1: Engineering Mathematics
Engineering Mathematics syllabus is structured to test student’s mathematical concept and his/her ability to solve mathematical problems.
| Linear Algebra | Matrix algebra, systems of linear equations, eigenvalues and eigenvectors. |
| Calculus | Functions of single variable, limit, continuity and differentiability, mean value theorems, indeterminate forms; evaluation of definite and improper integrals; double and triple integrals; partial derivatives, total derivative, Taylor series (in one and two variables), maxima and minima, Fourier series; gradient, divergence and curl, vector identities, directional derivatives, line, surface and volume integrals, applications of Gauss, Stokes and Green’s theorems. |
| Differential Equations | First order equations (linear and nonlinear); higher order linear differential equations with constant coefficients; Euler-Cauchy equation; initial and boundary value problems; Laplace transforms; solutions of heat, wave and Laplace's equations. |
| Complex Variables | Analytic functions; Cauchy-Riemann equations; Cauchy’s integral theorem and integral formula; Taylor and Laurent series. |
| Numerical Methods | Numerical solutions of linear and non-linear algebraic equations; integration by trapezoidal and Simpson’s rules; single and multi-step methods for differential equations. |
| Probability and Statistics: | Definitions of probability, sampling theorems, conditional probability; mean, median, mode and standard deviation; random variables, binomial, Poisson and normal distributions. |
Section 2: Applied Mechanics and Design
Applied Mechanics and Design syllabus include the concept of mechanics and its application in complex situation and problems.
| Engineering Mechanics | Free-body diagrams and equilibrium; trusses and frames; virtual work; kinematics and dynamics of particles and of rigid bodies in plane motion; impulse and momentum (linear and angular) and energy formulations, collisions. |
| Theory of Machines | Stress and strain, elastic constants, Poisson's ratio; Mohr’s circle for plane stress and plane strain; thin cylinders; shear force and bending moment diagrams; bending and shear stresses; deflection of beams; torsion of circular shafts; Euler’s theory of columns; energy methods; thermal stresses; strain gauges and rosettes; testing of materials with universal testing machine; testing of hardness and impact strength. |
| Mechanics of Materials | Displacement, velocity and acceleration analysis of plane mechanisms; dynamic analysis of linkages; cams; gears and gear trains; flywheels and governors; balancing of reciprocating and rotating masses; gyroscope. |
| Vibrations | Free and forced vibration of single degree of freedom systems, effect of damping; vibration isolation; resonance; critical speeds of shafts. |
| Machine Design | Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as bolted, riveted and welded joints; shafts, gears, rolling and sliding contact bearings, brakes and clutches, springs. |
Section 3: Fluid Mechanics and Thermal Science
| Heat Transfer | Fluid properties; fluid statics, manometry, buoyancy, forces on submerged bodies, stability of floating bodies; control-volume analysis of mass, momentum and energy; fluid acceleration; differential equations of continuity and momentum; Bernoulli’s equation; dimensional analysis; viscous flow of incompressible fluids, boundary layer, elementary turbulent flow, flow through pipes, head losses in pipes, bends and fittings. |
| Fluid Mechanics | Modes of heat transfer; one dimensional heat conduction, resistance concept and electrical analogy, heat transfer through fins; unsteady heat conduction, lumped parameter system, Heisler's charts; thermal boundary layer, dimensionless parameters in free and forced convective heat transfer, heat transfer correlations for flow over flat plates and through pipes, effect of turbulence; heat exchanger performance, LMTD and NTU methods; radiative heat transfer, Stefan- Boltzmann law, Wien's displacement law, black and grey surfaces, view factors, radiation network analysis. |
| Thermodynamics | Thermodynamic systems and processes; properties of pure substances, behaviour of ideal and real gases; zeroth and first laws of thermodynamics, calculation of work and heat in various processes; second law of thermodynamics; thermodynamic property charts and tables, availability and irreversibility; thermodynamic relations. |
| Applications | Power Engineering: Air and gas compressors; vapour and gas power cycles, concepts of regeneration and reheat. I.C. Engines: Air-standard Otto, Diesel and dual cycles. Refrigeration and air-conditioning: Vapour and gas refrigeration and heat pump cycles; properties of moist air, psychrometric chart, basic psychrometric processes. Turbomachinery: Impulse and reaction principles, velocity diagrams, Pelton-wheel, Francis and Kaplan turbines. |
Material, Manufacturing and Industrial Engineering
| Engineering Materials | Structure and properties of engineering materials, phase diagrams, heat treatment, stress-strain diagrams for engineering materials. |
| Metrology and Inspection | Limits, fits and tolerances; linear and angular measurements; comparators; gauge design; interferometry; form and finish measurement; alignment and testing methods; tolerance analysis in manufacturing and assembly. |
| Casting, Forming and Joining Processes | Different types of castings, design of patterns, moulds and cores; solidification and cooling; riser and gating design. Plastic deformation and yield criteria; fundamentals of hot and cold working processes; load estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing, deep drawing, bending) metal forming processes; principles of powder metallurgy. Principles of welding, brazing, soldering and adhesive bonding. |
| Computer Integrated Manufacturing | Basic concepts of CAD/CAM and their integration tools. |
| Machining and Machine Tool Operations | Mechanics of machining; basic machine tools; single and multi-point cutting tools, tool geometry and materials, tool life and wear; economics of machining; principles of non-traditional machining processes; principles of work holding, design of jigs and fixtures. |
| Production Planning and Control | Forecasting models, aggregate production planning, scheduling, materials requirement planning. |
| Inventory Control | Deterministic models; safety stock inventory control systems. |
| Operations Research | Linear programming, simplex method, transportation, assignment, network flow models, simple queuing models, PERT and CPM. |
Read More Detailed GATE Mechanical Engineering Syllabus
Important Topics
Here we are giving the list of important topics that must be considered by the candidates and it will help them to plan out their Preparation strategy.
| Topics | Excepted No. of questions | Expected Marks |
|---|---|---|
| Engineering Mechanics | 4 | 6 |
| Mechanics of Material | 7 | 11 |
| Machine Design | 2 | 3 |
| Theory of Machines | 5 | 8 |
| Heat Transfer | 4 | 7 |
| Fluid Mechanics | 6 | 9 |
| Manufacturing Engineering | 8 | 11 |
| Industrial Engineering | 2 | 4 |
| Thermodynamics | 7 | 11 |
| Mathematics | 10 | 15 |
| General Aptitude | 10 | 15 |
| Total | 65 | 100 |
Best Coaching Centres for GATE
It is good to join a coaching center for the preparation of GATE it will definitely help to attain good marks in the examination and candidates will get a proper guidance by the experienced and trained teachers and they will be able to save their precious time from wastage.
Here is a list of top ranking coaching center across the country.
| Coaching Institute | City | Ratings |
|---|---|---|
| ACE Engineering Academy | Bangalore | 4 Stars |
| Trump and Gates | New Delhi | 4.1 Stars |
| GATE Forum | Chennai | 4.2 Stars |
| Vani Institute of Engineering & Technology | Chennai | 4.6 Stars |
| IMS Guwahati | Guwahati | 4.9 Stars |
| New Cambridge College | Chandigarh | 4.9 Stars |
| Let’s Talk Academy | Jaipur | 5 Stars |
Read More GATE Top Coaching Institute
GATE Books for ME paper
Here is the list of important books for preparation of mechanical engineering paper.
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| Books Name | Author Name |
|---|---|
| Strength Of Materials | SS Rattan |
| Theory Of Machines | RS Khurmi |
| Mechanical Vibration | GK Grover |
| Design Of Machine Elements | VB Bhandari |
| Fluid Mechanics | RK Bansal |
| Engineering Thermodynamics | Cengel & Boles |
| Internal Combustion Engine | V Ganesan |
Read More GATE Books
Internet Resources
These days there are many websites available online that provides online tutorials and web study material for the preparation of GATE. These websites have lectures conducted by the highly experienced and trained professors from the most reputed institutes of the country. To name a few NPTEL is among the top ranked website that offers courses for GATE Preparation.
Notes and Sample Papers
Many coaching institutes provide hand-made study material for the preparation of GATE and these hand-made study materials are available in both online and off- line mode. Candidates may get these handy notes from the coaching centres by joining them or may even get it online also.
Many websites provide hand-made study material online in the pdf form for free. Candidates have to visit the sites and download the notes of their respective degree courses and use it for preparation.
Candidates can also download previous year question papers and mock test from the official website.
Preparation Schedule
GATE is all about time management as the duration of the examination is less compared to the number of questions to be attempted. It is very important for the candidates to prepare a schedule so that they can cover every topic on time with any delay or confusion. Here we are providing a proper preparation schedule for GATE 2020 to help the candidates with their preparation scheme.
Engineering Mechanics (3 days)
This section holds 6-7 marks of the paper hence candidates are advised to give their time on the following topics:
- Work and Energy
- Structural Analysis
- Resolving Forces
- Equilibrium
- Law of restitution
- Equilibrium and Truss
Mechanics of Material (5 days)
This section comprises 6-7 marks and questions are mostly from these topics SF & BM, Deflections, Stress and strain, Concepts, Bending stress, General Theories of Failure and Mohr's Circle.
Read More GATE Preparation
Machine Design (2 days)
Machine Design holds 5-6 marks in total and the important topics that must be considered while preparing this subject are Failure Theories, Design of gears and bearings, Joints, Fatigue Strength and the S-N Diagram.
Theory of Machines (9 days)
This section accounts for 10-12 marks in total and cover topics such as Flywheel, Linkages, Gear train, Inversions of single and double slider crank, Free damped vibrations, Linear Vibration Analysis of Mechanical systems, D.O.F. of Mechanisms and Finding Natural Frequencies (Under damped, Critically Damped, Over damped).
Heat Transfer (2 days)
This section accounts for 4-5 marks and questions are generally from topics such as Shape factor in radiation Conduction, Critical thickness, Problem in Heat exchangers like NTU and numbers in convection like Pr No, Gr No, Re No, etc.
Fluid Mechanics (12 days)
This section holds 12-13 marks of the question paper and has questions from these topics: Pump Parameters, Bernoulli’s Law, Simple & Differential Piezometer, Velocity potential, Reynolds’s no. Calculation, Hydraulic Power, Nozzle Velocity of Turbines, Flow through Pipes and Boundary layer theory.
Manufacturing Engineering (13 days)
This section is the most time-consuming and holds 11-14 marks of the total marks. Questions are basically from the topics such as Orthogonal cutting, Casting types and design of castings, Riser and Gate design of casting, Tool life equation, Resistance welding and Problems on welding.
Industrial Engineering (10 days)
Industrial Engineering section of the paper accounts for 9-10 marks and have questions mostly from the topics such as EOQ problems, CPM, PERT, Queuing theory, Work Study And Measurement, Scheduling And Johnson's Rule Time Study, Inventory control, and Poisson’s Arrivals & Departures.
Thermodynamics (9 days)
Thermodynamics consist of 12-15 marks and therefore it is essential to prepare this section very strongly to score high in the examination. The important topics of this section are Otto, Dual cycle, Laws of Thermodynamics, Turbines, Problems on Diesel, Detonation and Knocking, Turbo machinery, Entropy and Properties Of Pure Substances.
Mathematics (13 days)
This section of the paper contains the maximum number of questions and holds maximum marks hence it is necessary to give more time and attention to this section.
General Aptitude (13 days)
General Aptitude section of the paper consist of 10 questions of 15 marks and are easy to score and attempt if practiced properly.
Read More GATE Cutoff for all NITs and IIITs
IIT GATE Mechanical Engineering Cut off
Check the expected cut off of IITs for mechanical engineering from the table given below:
| IITs | GATE Cutoff |
|---|---|
| IIT Roorkee | 1736 (Closing Rank) |
| IIT Kharagpur | 840 GATE Score |
| IIT BHU | 752 GATE Score |
| IIT Bombay | 600 GATE Score |
| IIT Gandhinagar | 400 GATE Score |
| IIT Madras | 798 GATE Score |
PSU Hiring through GATE
Here is the list of PSUs which hires the Mechanical Engineer graduate through GATE 2018 score:
| PSU | CTC Offered |
|---|---|
| BPCL | INR 24900 – 50500/- per month |
| MDL | INR 5.98-14.77 lakh per annum |
| IOCL | INR 11.25 lakhs per annum |
| GAIL | INR 24900 -50500/- per month |
| BHEL | INR 20600- 46500/- per month |
| NCPIL | INR 15600-39100/- per month |
| HPCL | INR 24900-50,500/-per month |
| NTPC | INR 24900-50,500/-per month |
| OIL | INR 24900-50,500/-per month |
| CEL | INR 6.5 lakh per annum |
*The article might have information for the previous academic years, please refer the official website of the exam.