Fourth Semester B.tech Mech University of Calicut

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Here I am posting the previous question papers & Sylabus of Fourth semester B.tech degree Examination of Mechanical Engineering.For your convenience I am posting this as subjectwise. So you can click on the following blue links and download it easily...

BeSt Of LucK.................!!!!!!!!!

EN04 401A Engineering Mathematics-4

Module I: Functions of a Complex Variable I

Functions of a complex variable – Derivatives and analytic functions – Cauchy-Reimann equations - Laplace equation – Conformal mapping – Exponential function – Trigonometric functions - Hyperbolic functions - Logarithm - Linear fractional transformations

Module II: Functions of a Complex Variable II

Line integral in the complex plane – Cauchy’s integral theorem (Proof of existence of indefinite integral to be omitted) – Cauchy’s integral formula – Derivatives of analytic functions (Proof to be omitted) -Taylor series – Laurent series – Singularities and zeros - Residues and residue theorem – Evaluation ofreal integrals

Module III: Series Solutions of Differential Equations
(i) Power series method for solving ordinary differential equations – Legendre’s equation and
Legendre polynomials – Rodrigue’s formula – Generating functions – Relations between
Legendre polynomials – Orthogonality property of Legendre polynomials (proof omitted)
(ii) Frobenius method for solving ordinary differential equations – Bessel’s equation – Bessel
functions – Generating functions – Relations between Bessel functions – Orthogonality property of Bessel functions (proof omitted).

Module IV: Partial Differential Equations

Basic concepts - Classification of linear PDE’s –Derivation of the one-dimensional wave equation and the one-dimensional heat equation – Solutions of these equations by the method of separation of variables – Solutions satisfying initial and boundary conditions – D’ Alembert’s solution of the onedimensional wave equation – Steady-state two dimensional heat flow.

EN04 402 Environmental Studies

Module I
The Multidisciplinary nature of environmental studies
Definition - scope and importance-need for public awareness.
Natural Resources
Renewable and non-renewable resources:
Natural resources and associated problems - forest resources: Use and over exploitation, deforestation, case studies. Timber extraction, mining, dams and their defects on forests and tribal people. - Water resources: Use and over- utilization of surface and ground water, floods, drought, conflicts over water, dams-benefits and problems. - Mineral resources: Use and exploitation, environmental effects of extracting and using mineral resources, case studies. - Food resources: World food problems, changes caused by agriculture overgrazing, effects of modern agriculture, fertilizer-pesticide problems, water logging, salinity, case studies. - Energy resources: Growing energy needs, renewable and non renewable energy sources, use of alternate energy sources, case studies - Land resources: Land as a resource, land
degradation, man induced land slides, soil crosion and desertification - Role of an individual in
conversation of natural resources - Equitable use of resources for sustainable lifestyle.
Module II
Ecosystems - Concept of an ecosystem - Structure and function of an ecosystem - Producers, consumers and decomposers - Energy flow in the ecosystem - Ecological succession - Food chains, food webs and ecological pyramids - Introduction, types, characteristic features , structure and function of the following ecosystem:-Forest ecosystem - Grassland ecosystem - Desert ecosystem - Aquatic ecosystem(ponds, streams, lakes, rivers, oceans, estuaries) Biodiversity and its conservation Introduction – Definition: genetic, species and ecosystem diversity - Biogeographical classification of India - Value of biodiversity: consumptive use, productive use, social, ethical, aesthetic and option values - Biodiversity at global, national and local levels - India as a mega-diversity nation – Hot-spots of biodiversity - Threats to biodiversity: habitat loss, poaching of wild life, man-wildlife conflicts - Endangered and endemic species of India - Conservation of biodiversity: In-situ and Ex-situ conservation of biodiversity.
Module III
Environmental Pollution
Definition - Causes, effects and control measures of:- Air pollution - Water pollution - Soil pollution - Marine pollution-Noise pollution -Thermal pollution - Nuclear hazards - Solid waste Management: Causes, effects and control measures of urban and industrial wastes -Role of an individual in prevention of pollution - Pollution case studies - Disaster management : floods, earthquake, cyclone and landslides - Environmental Protection Act - Air (Prevention and Control of Pollution ) Act - Water (Prevention and Control of Pollution) Act - Wildlife Protection Act - Forest Conservation Act - Issues involved in enforcement of environmental legislation - Public Awareness
Module IV
Social Issues and the Environment From unsustainable to sustainable development - Urban problems related to energy - Water conservation, rain water harvesting, watershed management - Resettlement and rehabilitation of people; its problems and concerns,case studies - Environmental ethics: Issues and possible solutions - Climate change, global warming, acid rain, ozone layer depletion, nuclear accidents and holocaust. Case studies - Wasteland reclamation - Consumerism and waste products

EN04 403 Thermodynamics

Module I
Basic concepts and definitions – system and control volume, state, properties. processes and cycles – work and heat – thermodynamic equilibrium – zeroth law law of thermodynamics – temperature scales. First law of thermodynamics – joule’s experiment – first law applied for a change of state – internal energy and enthalpy – first law applied for open system – steady flow energy equation – applications.
Module II
Second law of thermodynamics – Kelvin Planks and Clausius statements and their equivalence – heat engine – heat pump – thermal reservoir – Carnot cycle – Carnot theorems – thermodynamic temperature scale – Clausius inequality – reversible and irreversible process – entropy – principle of entropy increase application of second law for open system – availability and irreversibility - Gibb’s , Helm holtz function- third law of thermodynamics.
Module III
Thermodynamic relations – maxwell’s relation – Clausius clapeyron equation – Tds relations – equation for internal energy and enthalpy. Joule Thomson coefficient – mixture of gases – Dalton’s law, Amagal’s law-entropy change of mixture- properties of atmospheric air-Use of psychrometric chart. Properties of pure substance – P-T, T-S and T-V diagrams – use of steam tables and mollier diagram – properties of real gases – compressibility chart – law of corresponding states.
Module IV
Thermodynamics of combustion – combustion reaction of common fuels – air fuel ratio – exhaust gas composition – flue gas analysis – air fuel ratio from exhaust gas composition – enthalpy of formation – application of first law of thermodynamics to chemically reacting systems-enthalpy and internal energy of combustion- adiabatic flame temperature.

EN04 404 Metallurgy And Material Science

Module I
Classification of Engineering materials – properties of engineering materials – levels of structure – macro structure – micro structure – crystal structure – electronic and nuclear structures – crystallography of metals – crystal systems – miller indices – crystal directions and planes – BCC , FCC and CPH structures – automatic packing factor – structure determination – study of micro structure – surface preparation for metallographic examination – etching and common etchants – metallurgical microscope – electron microscope – X ray diffraction techniques -Metallic bonds – polymorphism and allotropy .
Module II
Deformation of crystals – slip and twinning– Von mises and Hencky theory – slip lines - slip bands – critical resolved shear stress imperfections in solids – point defect – line defect – surface defects – volume defects – electronic defects – Edge dislocation and screw dislocation – Sources of dislocation – Frank Reid source – Crystallization of metals – Cast metal structures – Recovery and recrystallysation - grain growth – strain hardening-hot working and cold working - failure of materials– mechanism of creep - creep resistant materials – fracture – brittle and ductile fracture – protection against fracture – Fatigue mechanism – S-N curve.
Module III
Diffusion – patterns of diffusion – equilibrium diagrams – phases – structural constituents – solid solutions – types of solid solutions – HumeRothery rules – thermal equilibrium diagrams – Glibbs phase rule- Cooling curves – lever rule – isomorphous system - Cu-Ni, Bi-Cd; Pb-Sn and Iron-Carbide equilibrium diagram – heat treatment of steels – annealing – normalizing- spheroidising – time temperature – transformation diagram – hardening – hardenability –factor affecting hardenability - austempering and martempering - tempering of steel – precipitation hardening – case hardening – nitriding – surface treatment methods – induction hardening – flame hardening .
Module IV
Steels – Functions of alloying elements in steel – tool steels – stainless steels – cast iron – grey , white and S.G. Castirons - structure of cast iron – copper alloys and their uses – aluminium alloys and their uses – glasses – types of glass- forming agents- Composites – types – application – recent dvelopments in materials – smart materials –Nanomaterials - shape memory alloys

EN04 405 Advanced Mechanics of Solids

Module I
Basic equations of elasticity - Stress at a point - Nature of stress at a point - Stress tensor - Stress transformation - Principal stresses and planes - Strain at a point - Strain tensor analogy between stress and strain tensors - Constitutive equations - Generalized Hook's law - Equations of equilibrium - Strain displacement relations - Compatibility conditions - Boundary conditions
Module II
Two dimensional problems in elasticity - Plain stress and plain strain - Airy's stress function - Solution by polynomial - Equations in polar co-ordinates - Stress concentration - Axisymmetric problems - Thick cylinders Inference fit - Rotating disks- equilibrium equations.
Module III
Special problems in bending - Unsymmetrical bending - Shear centre - Energy methods in elasticity - Strain energy - Principle of virtual work - Reciprocal theorem - Castigliano's first and second theorems - Complementary energy
Module IV
Torsion of non-circular prismatic bars - Saint Venant's theory - Solution for simple cases - Prandtl membrane analogy - Open and closed sections - Shear flow

EN04 406 Fluid Machinery

Module I
Integral form of continuity, momentum and energy equations- Flow of fluids over flat plates and curved surfaces- Force, work done and efficiency- Reaction principles- Propulsion of ships-Dimensional analysis- Rayleigh's method and Buckingham’Pi’ theorem- Principles of modeling and similitude as applied to fluid mechanics problems- Non-dimensional parameters in fluid mechanics and fluid
machinery.
Module II
Euler's turbine equation- Analysis of turbines- classifications of turbines - Constructional features of Pelton, Francis and Kaplan turbines- Speed regulation of turbines- Study of performance - Model studies- Theory of draft tubes- Cavitation in turbines.
Module III
Rotodynamic pumps - Whirling of fluid - Vortex motion - Free and forced vortex - Spiral flow - Features of rotodynamic and positive displacement pumps - Constructional features of centrifugal pumps - Principle of working - Analysis - Euler's equation - Efficiencies - Types of centrifugal pumps - Pump characteristics - Pump selection - Model studies - Cavitation in pumps – design of pumps – design criteria – selection of pumps – criteria for selection – determination of power of pumps.
Module IV
Reciprocating pumps - Principle of working - Effect of accelaration and friction - Use of air vessels - Cavitation - Pump characteristics - Working principle of axial and radial piston pumps, vane pump and gear pump - Miscellaneous fluid devices - Fluid transients - Analysis of transients in fluid flow -
Operation of hydraulic ram and surge tank . Deep well, submersible pumps, screw pump, jet pump – hydraulic break – fluid coupling - Intensifier and accumulator - Application to hydraulic devices (descriptive study only)

Best of Luck....

Prepare well..............