# ELEMENTS OF MECHANICAL ENGINEERING

Course Code:ULZ0228

Author:uLektz

University:

Regulation:2017

Categories:Mechanical

Format : ePUB3 (DRM Protected)

Type :eBook

Rs.160 Rs.25 Rs.85% off

Description :ELEMENTS OF MECHANICAL ENGINEERING of ULZ0228 covers the latest syllabus prescribed by General for All University for regulation 2017. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

##### Topics
###### UNIT - I FORCE SYSTEM,CONCEPT OF CENTRE OF GRAVITY AND CENTROID AND AREA MOMENT OF INERTIA

1.1 Force System: Force, Parallelogram Law, Lami’s theorem, Principle of Transmissibility of forces

1.2 Moment of a force, Couple, Varignon’s theorem, Resolution of a force into a force and a couple

1.3 Resultant of coplanar force system

1.4 Equilibrium of coplanar force system, Free body diagrams, Determination of reactions

1.5 Concept of Centre of Gravity and Centroid and Area Moment of Inertia, Perpendicular axis theorem and Parallel axis theorem

###### UNIT - II PLANE TRUSS AND BEAMS

2.1 Plane Truss: Perfect and imperfect truss, Assumptions and Analysis of Plane Truss by Method of joints and Method of section

2.2 Beams: Types of beams, Statically Determinate Beams, Shear force and bending moment in beams, Shear force and bending moment diagrams, Relationships between load, shear and bending moment

###### UNIT - III SIMPLE STRESS AND STRAIN AND ENGINEERING MATERIAL

3.1 Simple stress and strain: Normal and shear stresses. One Dimensional Loading; members of varying cross section, bars in series

3.2 Tensile Test diagram for ductile and brittle materials, Elastic constants, Strain energy

3.3 Bending (Flexural) Stresses: theory of pure bending, neutral surface and neutral axis, stresses in beams of different cross sections

3.4 Engineering Materials: Importance of engineering materials, classification, mechanical properties and applications of Ferrous, Nonferrous and composite materials

###### UNIT - IV BASIC CONCEPTS AND DEFINITIONS OF THERMODYNAMICS

4.1 Basic Concepts and Definitions of Thermodynamics: Introduction and definition of thermodynamics, Microscopic and Macroscopic approaches, System, surrounding and universe, Concept of continuum, Thermodynamic equilibrium

4.2 Thermodynamic properties, path, process and cycle, Quasi static process, Energy and its forms, Work and heat. Thermodynamic definition of work

4.3 Zeroth law of thermodynamics: Temperature and its’ measurement

4.4 First law of thermodynamics: First law of thermodynamics, Internal energy and enthalpy

4.5 First law analysis for non-flow processes

4.6 Non-flow work Steady flow energy equation

4.7 Boilers, Condensers, Turbine, Throttling process, Pumps etc

###### UNIT - V SECOND LAW AND INTERNAL COMBUSTION ENGINES

5.1 Second law: Thermal reservoir, Kelvin Planck statement, Heat engines, Efficiency; Clausius’ statement Heat pump, refrigerator, Coefficient of Performance

5.2 Carnot cycle, Carnot theorem and it’s corollaries. Clausius inequality, Concept of Entropy

5.3 Properties of pure substances: P-v, T-s and h-s diagram, dryness fraction and steam tables. Rankine Cycle

5.4 Internal Combustion Engines: Classification of I.C. Engines and their parts, working principle and comparison between 2 Stroke and 4 stroke engine , difference between SI and CI engines

5.5 P-v and T-s diagrams of Otto and Diesel cycles, comparison of efficiency