Q.1 to Q.25: Will carry one mark each (sub-total 25 marks).
1/3 mark will be deducted for each wrong answer.
Q.26 to Q.55: Will carry two marks each (sub-total 60 marks)
2/3 mark will be deducted for each wrong answer.
Q.48 through Q.51 (2 pairs) will be common data questions.
Each question will carry two marks
2/3 mark will be deducted for each wrong answer.
Question pairs (Q.52, Q.53) and (Q.54, Q.55) will be linked answer questions.
The answer to the second question of the last two pairs will depend on the answer to the first question of the pair.
If the first question in the linked pair is wrongly answered or is un-attempted, then the answer to the second question in the pair will not be evaluated. Each question will carry two marks
There will be negative marks only for wrong answer to the first question of the linked answer question pair i.e. for
Q.52 and Q.54, 2/3 mark will be deducted for each wrong answer.
There is no negative marking for Q.53 and Q.55.
Q.56 to Q.60 : From General Aptitude (GA) will carry one mark each (sub-total 5 marks).
1/3 mark will be deducted for each wrong answer.
Q.61 to Q.65 : From GA will carry two marks each (sub-total 10 marks)
2/3 mark will be deducted for each wrong answer.
All the papers will contain few questions on Engineering Mathematics carrying 15 marks.
Monday, December 20, 2010
GATE SYLLABUS FOR MECHANICAL
APPLIED MECHANICS AND DESIGN
(1) Engineering Mechanics:
Equivalent force systems, free-body concepts, equations of equilibrium, trusses and frames, virtual work and minimum potential energy. Kinematics and dynamics of particles and rigid bodies, impulse and momentum , energy methods, central force motion.
(2) Strength of Materials:
Stress and strain, Elastic constants, stress-strain relationship, Mohr's circle, deflection of beams, bending and shear stress, shear force and bending moment diagrams, torsion of circular shafts, thin thick cylinders, Euler's theory of columns, strain energy methods, thermal stress.
(3) Theory of machines:
Analysis of plane mechanisms, dynamic analysis of slider-crank mechanism, planer cams and followers, gear tooth profiles, kinematics and design of gears, governors and flywheels, balancing of reciprocating and rotating masses.
(4) Vibrations:
Free and forced vibrations of single degree freedom systems, effect of damping, vibration isolation, resonance, critical speed shafts.
(5) Design of Machine Elements:
Designing for statics and dynamic loading, fatigue strength, failure theories, design of bolted, riveted and welded joints, design of shafts and keys, design of spur gears, brakes and clutches, rolling and sliding contact bearings , belt, ropes and chain drives.
THERMAL SCIENCE AND ENGINEERING
(1) Fluid Mechanics:
Fluid properties, fluid statics, manometer, buoyancy, control-volume analysis of mass, momentum and energy, fluid acceleration, differential equation of continuity and momentum. Bernouli's equation. Viscous flow of incompressible fluids; boundary layer, flow through pipes, head losses in pipes, bends etc.
(2) Turbo machines:
velocity triangles Euler's equation, specific speed, Pelton wheel, centrifugal pump, Francis and Kaplan turbines.
(3) Heat-Transfer:
Modes of heat transfer, one dimensional heat conduction, resistance concept, electrical analogy, unsteady heat conduction, fins, dimensionless parameters in free and forced convective heat layer, effect of turbulence, radiative heat transfer, black and Grey surfaces shape factors, network analysis, heat exchanger performance, LMTD and NTU methods.
(4) Thermodynamics:
Zeroth, fact and second laws of thermodynamics, thermodynamic system and processes, irreversibility and availability, behavior of ideal and real gases, properties of pure substances, calculation of work and heat in ideal processes. Analysis of thermodynamics cycles related to energy conversion. Carnot, Rankine, Otto, Diesel, Brayton and Vapour compression cycle.
(5) Steam engineering:
Steam generators, Steam engines, steam turbines-impulse and reaction, velocity diagrams, compounding, reheat factor.
(6) I.C. Engines:
Requirements and suitability of fuels in IC engines, fuel ratings, fuel- air mixture requirements, normal combustion in SI and CI engines, engine performance calculations, components of gas turbine.
(7) Reciprocating Air Compressor:
Isothermal, adiabatic and polytropic compression, staging the compression process, inter cooling and after cooling, minimum work requirement, volumetric efficiency. Centrifugal and axial flow compressors.
(8) Refrigeration and air-conditioning:
Refrigerant compressors, expansion devices, condensers and evaporators, properties of moist air, psychometric chart, basic psychometric processes.
MANUFACTURING AND INDUSTRIAL ENGINEERING
(1) Engineering materials:
Structure and properties of engineering materials and their applications, heat treatment.
(2) Metal casting:
Casting processes- pattern making, moulds and cores, solidification, design of casting, casting defects.
(3) Metal working:
Stress-strain diagrams for ductile and brittle material, plastic deformation, mechanisms, fundamentals of hot and cold working processes-forging, extrusion, wire drawing, sheet metal working, punching, blanking, bending, deep drawing, coining and spinning.
(4) Machining Processes and Machine Tool Operation:
Mechanics of metal cutting, single and multipoint cutting tools, geometry and machining aspects, tool life, machinability, economics of machining, non- traditional machining processes.
(5) Metrology and Inspection:
Limits, fits and tolerances, linear and angular measurements, comparators, gauge design interferometry,form and finish measurement, measurement of screw threads, alignment and testing methods.
(6) Tool Engineering:
Principles of work holding, design of jigs and fixtures, design of press working tools.
(7) Manufacturing Analysis:
Part-print analysis, tolerance analysis in manufactureing and assembly, time and cost analysis.
(8) Computer Integrated Manufacturing:
Basic concepts of CAD, CAM , Group technology.
(9) Work Study:
Method study, work measurement time study, work sampling, job evaluation, merit rating.
(10) Production planning and control:
Forecasting models, aggregate production planning, master scheduling, materials requirements planning.
(11) Inventory control:
Deterministic and probabilistic models, safety stock inventory control systems.
(12) Operations Research:
Linear programming, simplex and duplex method, transportation, assignment, network flow models, simple queuing models, PERT and CPM.
ENGINEERING MATHEMATICS
(1) Linear Algebra:
Algebra of matrices, system of linear equations, eigen values and eigen vectors
(2) Calculus:
Taylor series, fourier series, partial derivatives, total derivatives, definite and improper integrals, multiple integrals
(3) Vector Calculus:
Gradient, divergence and curl, line and surface integrals, Green, Gauss, and Stokes theorem
(4) Differential Equations:
Linear ODE's, First order non-linear ODE's, initial and boundary value problems, Laplace Transform, PDE's-laplace, wave and diffusion equations.
(5) Numerical methods:
Solution of system of linear equations, interpolation, numerical integration, newton-raphson method, runge-kutta method.
(6) Probability and statics:
Gaussian, Weibul distribution and their properties, method of least squares , regrassion analysis, analysis of variance.
General Aptitude (GA)
Verbal Ability: English grammar, sentence completion, verbal analogies, word groups, instructions, critical reasoning and verbal deduction.
Numerical Ability: Numerical computation, numerical estimation, numerical reasoning and data interpretation.
(1) Engineering Mechanics:
Equivalent force systems, free-body concepts, equations of equilibrium, trusses and frames, virtual work and minimum potential energy. Kinematics and dynamics of particles and rigid bodies, impulse and momentum , energy methods, central force motion.
(2) Strength of Materials:
Stress and strain, Elastic constants, stress-strain relationship, Mohr's circle, deflection of beams, bending and shear stress, shear force and bending moment diagrams, torsion of circular shafts, thin thick cylinders, Euler's theory of columns, strain energy methods, thermal stress.
(3) Theory of machines:
Analysis of plane mechanisms, dynamic analysis of slider-crank mechanism, planer cams and followers, gear tooth profiles, kinematics and design of gears, governors and flywheels, balancing of reciprocating and rotating masses.
(4) Vibrations:
Free and forced vibrations of single degree freedom systems, effect of damping, vibration isolation, resonance, critical speed shafts.
(5) Design of Machine Elements:
Designing for statics and dynamic loading, fatigue strength, failure theories, design of bolted, riveted and welded joints, design of shafts and keys, design of spur gears, brakes and clutches, rolling and sliding contact bearings , belt, ropes and chain drives.
THERMAL SCIENCE AND ENGINEERING
(1) Fluid Mechanics:
Fluid properties, fluid statics, manometer, buoyancy, control-volume analysis of mass, momentum and energy, fluid acceleration, differential equation of continuity and momentum. Bernouli's equation. Viscous flow of incompressible fluids; boundary layer, flow through pipes, head losses in pipes, bends etc.
(2) Turbo machines:
velocity triangles Euler's equation, specific speed, Pelton wheel, centrifugal pump, Francis and Kaplan turbines.
(3) Heat-Transfer:
Modes of heat transfer, one dimensional heat conduction, resistance concept, electrical analogy, unsteady heat conduction, fins, dimensionless parameters in free and forced convective heat layer, effect of turbulence, radiative heat transfer, black and Grey surfaces shape factors, network analysis, heat exchanger performance, LMTD and NTU methods.
(4) Thermodynamics:
Zeroth, fact and second laws of thermodynamics, thermodynamic system and processes, irreversibility and availability, behavior of ideal and real gases, properties of pure substances, calculation of work and heat in ideal processes. Analysis of thermodynamics cycles related to energy conversion. Carnot, Rankine, Otto, Diesel, Brayton and Vapour compression cycle.
(5) Steam engineering:
Steam generators, Steam engines, steam turbines-impulse and reaction, velocity diagrams, compounding, reheat factor.
(6) I.C. Engines:
Requirements and suitability of fuels in IC engines, fuel ratings, fuel- air mixture requirements, normal combustion in SI and CI engines, engine performance calculations, components of gas turbine.
(7) Reciprocating Air Compressor:
Isothermal, adiabatic and polytropic compression, staging the compression process, inter cooling and after cooling, minimum work requirement, volumetric efficiency. Centrifugal and axial flow compressors.
(8) Refrigeration and air-conditioning:
Refrigerant compressors, expansion devices, condensers and evaporators, properties of moist air, psychometric chart, basic psychometric processes.
MANUFACTURING AND INDUSTRIAL ENGINEERING
(1) Engineering materials:
Structure and properties of engineering materials and their applications, heat treatment.
(2) Metal casting:
Casting processes- pattern making, moulds and cores, solidification, design of casting, casting defects.
(3) Metal working:
Stress-strain diagrams for ductile and brittle material, plastic deformation, mechanisms, fundamentals of hot and cold working processes-forging, extrusion, wire drawing, sheet metal working, punching, blanking, bending, deep drawing, coining and spinning.
(4) Machining Processes and Machine Tool Operation:
Mechanics of metal cutting, single and multipoint cutting tools, geometry and machining aspects, tool life, machinability, economics of machining, non- traditional machining processes.
(5) Metrology and Inspection:
Limits, fits and tolerances, linear and angular measurements, comparators, gauge design interferometry,form and finish measurement, measurement of screw threads, alignment and testing methods.
(6) Tool Engineering:
Principles of work holding, design of jigs and fixtures, design of press working tools.
(7) Manufacturing Analysis:
Part-print analysis, tolerance analysis in manufactureing and assembly, time and cost analysis.
(8) Computer Integrated Manufacturing:
Basic concepts of CAD, CAM , Group technology.
(9) Work Study:
Method study, work measurement time study, work sampling, job evaluation, merit rating.
(10) Production planning and control:
Forecasting models, aggregate production planning, master scheduling, materials requirements planning.
(11) Inventory control:
Deterministic and probabilistic models, safety stock inventory control systems.
(12) Operations Research:
Linear programming, simplex and duplex method, transportation, assignment, network flow models, simple queuing models, PERT and CPM.
ENGINEERING MATHEMATICS
(1) Linear Algebra:
Algebra of matrices, system of linear equations, eigen values and eigen vectors
(2) Calculus:
Taylor series, fourier series, partial derivatives, total derivatives, definite and improper integrals, multiple integrals
(3) Vector Calculus:
Gradient, divergence and curl, line and surface integrals, Green, Gauss, and Stokes theorem
(4) Differential Equations:
Linear ODE's, First order non-linear ODE's, initial and boundary value problems, Laplace Transform, PDE's-laplace, wave and diffusion equations.
(5) Numerical methods:
Solution of system of linear equations, interpolation, numerical integration, newton-raphson method, runge-kutta method.
(6) Probability and statics:
Gaussian, Weibul distribution and their properties, method of least squares , regrassion analysis, analysis of variance.
General Aptitude (GA)
Verbal Ability: English grammar, sentence completion, verbal analogies, word groups, instructions, critical reasoning and verbal deduction.
Numerical Ability: Numerical computation, numerical estimation, numerical reasoning and data interpretation.
Monday, December 13, 2010
Engineering Mechanics Objective Links
Mechanics Objective With Answers
Engineering Mechanics 2008 Objective Paper
Engineering Mechanics 2008 Objective Paper - key
Applied Mechanics 2008 Objective Paper
Applied Mechanics 2008 Objective Paper - key
Classical Mechanics 2008 Objective Paper
Classical Mechanics 2008 Objective Paper - key
1.Mechanics Objective Model Papers
Engineering Mechanics 2008 Objective Paper
Engineering Mechanics 2008 Objective Paper - key
Applied Mechanics 2008 Objective Paper
Applied Mechanics 2008 Objective Paper - key
Classical Mechanics 2008 Objective Paper
Classical Mechanics 2008 Objective Paper - key
1.Mechanics Objective Model Papers
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