spur and spiral gear (force relations)

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force analysis of spur and spiral gears

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HEAT EXCHANGERS (LMTD)

Question bank for HEAT EXCHANGERS (LMTD)

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Fundamentals of SOM (mechanical, GATE,IES)

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Important subjects go GATE 2015 (March)

Important Topic List for GATE EXAM

Hello Friends,
here is some of the important topics for the GATE exam. I evaluate these on the basis of my experience and knowledge, hope it will help you.

Subject Wise Priority List

1. Mathematics
2. Manufacturing science/ Production technology
3. Industrial engineering
4. SOM
5. TOM
6. Design
7. Thermodynamics
8. Fluid Mechanics
9. Heat Transfer
10. RAC
11. Powerplant
12. IC engines
13. Engineering materials and Engineering Mechanics

IMPORTANT TOPICS

1. Mathematics
Probabilityeigen values and eigen vectorsdifferential equationsLaplace transformnumerical methodscalculus, gradient, multiple integralscomplex variablesmatrix algebra2. Production (IMPORTANT)
Theory of metal cutting (most imp.)rolling calculationswire drawing and extrusion calculationssheet metal, (clearance and force required, shear calculations)limit, tolerance, fitsbasic machining operations time calculations (lathe, grinding, drilling etc.)Casting(important)weldingNC, CNC, M and G code3. Industrial Engineering
EOQ ModelsPERT and CPMQueueing ModelForecastingLPPBreak even analysisWork study and measurementScheduling and Johnson's RuleBalancing4. SOM
Principe stress and strainBMD and SFDTorsionColumns and strutsTheories of failuresthin cylinders5. TOM
MechanismGear trainFlywheelLinear Vibration Analysis of Mechanical systems6. DESIGN
Rolling contact bearings. load life relationshipFluctuating Load consideration for designClutch, brake7. THERMODYNAMICS
Basic conceptsapplication of first lawEntropy and availability (IMPORTANT)pure substancesthermodynamics relations8. FLUID MECHANICS
Properties of FluidPressure measurementFluid kinematicsBernoulli's equation and venturimeterBoundary layer theoryHydraulic Turbine9. HEAT TRANSFER
Conductioncritical thickness of insulationunsteady conduction(lumped heat analysis) (Important)Heat exchangers (LMTD, NTU)Radiation (shape factor, heat exchange between non black bodies)10. RAC
Heat engine, pump and refrigeratorVapour compression systemsPsychrometry11. POWERPLANT
Steam cycleGas Cycle12. IC ENGINES
Gas Power cycles(Otto, Diesel)13. ENGINEERING MATERIALS
Iron-Carbon Equilibrium diagramHeat treatment14. Engineering Mechanics
Equilibrium and truss

IES Mechanical Engineering syllabus

IES MECHANICAL ENGINEERING SYLLABUS PAPER 1-

REFRIGERATION AND AIR CONDITIOINING

This subject REFRIGERATION AND AIR CONDITIOINING have questions related to Modes of heat transfer, one dimensional steady and unsteady conduction, Composite slab and Equivalent Resistance, Heat exchangers, Heat dissipation from extended surfaces, Empirical correlations for heat transfer in laminar and turbulent flows and for free and forced Convection, Overall heat transfer coefficient, Thermal boundary layer over a flat plate, Black body and basic concepts in Radiation, Fundamentals of diffusive and connective mass transfer, Enclosure theory, Shape factor, Network analysis, Refrigerants, Condensers, Evaporates and Expansion devices, Psychometry, Sensible heating and cooling, controls, Duct design,  Heat pump and Refrigeration cycles and systems, Charts and application to air conditioning Effective temperature, comfort indices, Load calculations and Solar refrigeration.

IES Mechanical Engineering Syllabus with pdf-THERMODYNAMICS

This subject THERMODYNAMICS have questions related to Entropy, Availability, Irreversibility and TDS relations, Cycles and IC Engines, Basic concepts, Open/Closed systems, Claperyron and real gas equations, Properties of ideal gases and vapours, Standard vapour, Gas power and Refrigeration cycles, Heat and work, Zeroth, First and Second Law, Application to non-Flow and Flow processes, Turbo-prop and Rocket engines, Engine Cooling, Emission & Control, Flue gas analysis, Measurement of Calorific values, Conventional and Nuclear fuels, Elements of Nuclear power production, Two stage compressor, C-I and S,I, Engines, Pre-ignition, Detonation and Diesel-knock, Fuel injection and Carburation and Supercharging.

IES Mech. Engg. Syllabus 2014-FLUID MACHINERY AND STEAM GENERATORS

Reciprocating, Centrifugal and axial flow Compressors, Multistage compression, role of Mach Number, Reheat, Regeneration, Efficiency, Governance,Energy transfer, Coupling, Power transmission, Steam generators Fire-tube and water-tube boilers, Various types of steam and gas Turbines, Velocity diagrams, Partial admission,  Performance, Operation and control of hydraulic Pump and impulse and reaction Turbines, Specific speed, Classification, Flow of steam through Nozzles and Diffusers, Wetness and condensation,

IES Mech. Engg. Syllabus -FLUID MECHANICS

Flow over weirs and notches, Open channel flow, Hydraulic jump, Dimensionless numbers, Dimensional analysis, Similitude and modelling,Irrotational and incompressible, Kinematics and Dynamics, Inviscid flow, Velocity potential, Pressure field and Forces on immersed bodies, Bernoulli’s equation, Fully developed flow through pipes, Pressure drop calculations, Measurement of flow rate and Pressure drop, Elements of boundary layer theory, Integral approach, Laminar and tubulent flows, Separations, One-dimensional isentropic flow, Normal shock wave, Flow through convergent - divergent ducts, Oblique shock-wave, Rayleigh and Fanno lines, Properties and classification of fluids, Manometry, forces on immersed surfaces, Center of pressure, Buoyancy, Elements of stability of floating bodies,

IES MECHANICAL ENGINEERING SYLLABUS FOR PAPER 2-

IES Mechanical Engineering Syllabus-MACHINE DESIGN

Design of bearings: hydrodynamics bearings and rolling element bearings,

Design of Power transmission systems: gears and gear drives shaft and axle, wire ropes,

Design of Joints: welded joints, cotters, keys, splines, threaded fasteners, joints formed by interference fits, Design of friction drives: couplings and clutches, belt and chain drives, power screws,

IES Mechanical Engineering Syllabus-THEORY OF MACHINES

Balancing of single and multicylinder engines, Linear vibration analysis of mechanical systems, Critical speeds and whirling of shafts Automatic controls,Kinematic and dynamic analysis of planer mechanisms, Cams, Gears and gear trains, Flywheels, Critical speeds and whirling of shafts Automatic controls,             

IES Mechanical Engineering Syllabus -ENGINEERING MATERIALS

Alloys and binary phase diagrams, Structure and properties of common engineering materials, Basic concepts on structure of solids, Crystalline maferials, Common applications of various materials, Detects in crystalline materials, Heat treatment of steels, Plastics, Ceramics and composite materials,

IES Mechanical Engineering Syllabus-STRENGTH OF MATERIALS

Combined stresses, thick-and thin-walled pressure vessels, Struts and columns, Strain energy concepts and theories of failure, Beams : Bending moment and shear force diagram, bending stresses and deflection of beams, Shear stress distribution, Torsion of shafts, helical springs, Stress and strain in two dimensions, Principal stresses and strains, Mohr’s construction, linear elastic materials, stress-strain relations, isotropy and anisotropy, uniaxial loading, thermal stresses,

IES Mechanical Engineering Syllabus-PRODUCTION ENGINEERING

Economics of Machining, Unconventional Machining Processes, Jigs and Fixtures, Cutting Tools Materials, Tool Geometry, Mechanism of Tool Wear, Tool Life & Machinability; Measurement of cutting forces, Fits and tolerances, Measurement of surface texture, Comparators Alignment tests and reconditioning of Machine Tools,

Metal Casting : Centrifugal Casting ,Die casting, investment casting, Shall Moulding, Gating & Riser design; melting furnaces,

Metal Forming : Drilling, Boring, Milling, Gear Manufacturing, Production of flat surfaces,  High energy rate forming;Basic Principles of forging, drawing and extrusion; Powder Metal Cutting : Turning, Automation and Robotics, metallurgy Methods of Screw Production, Grinding & Finishing Processes, Computer Controlled Manufacturing Systems-CNC, DNC, FMS,

Fabrication Processes: Principles of Gas, Arc, Shielded arc Welding; Weldability: Metallurgy of Welding, Advanced Welding Processes,

IES Mechanical Engineering Syllabus-ELEMENTS OF COMPUTATION

Flow charting, Features of Common computer Languages - FORTRAN, d Base III, Lotus 1-2-3, C and elementary Programming Computer Organisation,

IES Mechanical Engineering Syllabus-INDUSTRIAL ENGINEERING

Control Operations : Inventory control ABC analysis, EOQ model, Work measurement, Quality Management - Quality analysis and control ,Materials requirement planning, Job design, Job standards, Single server queueing model, Operations Research : Linear Programming - Graphical and Simplex methods, Transportation and assignment models,

Production Planning and Control : Forecasting - Moving average, exponential smoothing, Operations, scheduling; , Product development, Break-even analysis, Capacity planning, PERT and CPM assembly line balancing,

ONGC Recruitment

Viscosity (Fluid Mechanics ; Properties of fluids)

Formulae, basic definitions and unit conversions of topic "Viscosity (properties of fluids)" are discussed in the document.

click here to download Viscosity.pdf