2nd year Odd Semester

Engineering Economy

Introduction to engineering and economic decision making common to engineering, cash flow analysis and basic concepts of discounting, cost of capital, required ROR equivalence etc. Investment appraisal criteria for economic decisions, present worth, internal rate of return, benefit-cost ratio, etc. Decisions involving taxes, depreciation, inflation and Replacement

Engineering Materials and Metallurgy

Ceramic: Raw materials, preparation, characterization and processing. Polymers: Structure and properties of polymers, thermoplastics and thermosets and processing. Composites: Theory, fabrication, structure and uses. Concepts of Crystal Geometry: Types of lattices, solidification metal and alloys, variables affecting solidification, Nucleation, Grain growth crystal structures and their defects. Deformation and dislocation theories. Equilibrium Diagrams for Binary Alloy: Interpretation of equilibrium diagram; structure and properties of metal and alloys related to equilibrium, Iron-iron carbide equilibrium diagram, plain carbon steels and their microstructures, various types of steels, Martensitic transformation, composite of tool steel. Heat Treatments of steels: Annealing, Normalizing, Quenching, Tempering and types of hardening processes, precipitation processes. Ferrous and Non-ferrous Metals: Production and properties of Pig, wrought and cast iron; Carbon steels, their properties and microstructures. Production, properties and uses of common non- ferrous metals and their alloys, bearing metals and spring metals. Alloy of Noble metals. Metallurgical aspect of metal joining. Powder metallurgy: Principles and process, metal powder and their characteristics, method of producing metal powders, application, advantages, disadvantages of powder metallurgy.

Engineering Mathematics-III

Vector calculus: Differentiation and integration of vectors together with elementary applications. Line, surface and volume integrals. Gradient of a scalar function. Divergence and curl of a vector function. Physical significance of gradient, divergence and curl, Gauss’s theorem, Stoke’s theorem. Green’s theorem and their applications. Laplace transform: Definition of Laplace transform. Elementary transformation sand properties. Convolution. Solution of differential equation by Laplace transformation. Evaluation of improper integrals by Laplace transforms. Fourier series: Periodic functions; Fourier series (both real and complex forms); odd and even functions; sine and cosine series; Fourier transformations and Fourier integral, its application to boundary value problems. Harmonic functions, Laplace equations, spherical harmonic, surface zonal harmonic, gravitational potential due to spherical shell and sphere.

Engineering Mechanics and Theory of Machines

Statics: Force in trusses and frames; friction, centroids and moment of inertia; Kinetics of particles and rigid bodies. Kinematics: The components of mechanism, joints, pairs and couplings, grashof’s law, analytical methods for kinematics analysis, graphical determination of velocity and acceleration in mechanisms. Dynamics: Newton’s laws, applied and constraint forces, free body diagrams, velocity and acceleration analysis by vector mathematics linkage force analysis by Virtual work methods, Force analysis in Linkages by Graphical methods. Theory of machines: Undammed and damped free vibration of one and two degrees of freedom, forced vibrations; Whirling of shafts and rotors, Power transmission by ropes, belts, chains; Gears and gear trains; Study of cams. Forced vibrations of machine tool mechanism: Torsional vibration, balancing of rotary parts of machine tools, vibration absorption.

Shop Practice-II

Wood, Welding & Sheet Metal Workshop Practice Acquaintance with hand & machine tools used in woodworking. Introduction to different joints and making a simple wood pattern that will be used in foundry shop. Acquaintance with tools & appliances used in welding & sheet metal shop, welding defects. Simple exercise on sheet metal work.

Engineering Materials and Metallurgy Lab

Sessional based on IPE 2113.

Thermodynamics and Heat Transfer Lab

Sessional based on ME 1251

Technical English and Sociology

Technical English: Ways of correct English Pronunciation, Construction of sentences and paragraphs, Definition of scientific terms – Correction – Commercial correspondence: Writing for mass media, preparing tenders and schedules – Phrases and Idioms - Prepositions – Comprehension – Amplification – Description and Precise writing, Writing technical report on different topics. Sociology: Scope: Some basic concepts. Social evolution and techniques of production. Cultural and civilization. Social structure of Bangladesh. Population and world resources. Oriental and occidental societies. Industrial revolution. Family-urbanization and industrialization. Urban Ecology. Co-operative and Socialist movements. Rural Sociology