ELEMENTS OF MECHANICAL ENGINEERING[As per Choice Based Credit System (CBCS) scheme](Effective from the academic year 2015 -2016)SEMESTER - I/II
Subject Code - 15EME14/15EME24
IA Marks - 20
Number of Lecture Hours/Week - 04
Exam Marks - 80
Total Number of Lecture Hours - 50
Exam Hours - 03
CREDITS - 04
Course objectives:
Students belonging to all branches of Engineering are made to learn
certain fundamental topics related to mechanical engineering so that they will
have a minimum understanding of mechanical systems, equipment and process.
Module -1
Energy Resources :Non-renewable and renewable energy resources,
Petroleum based solid, liquid and gaseous fuels, Calorific values of fuels,
Combustion and combustion products of fuels,
Solar Power : Solar Radiation, Solar constant (definition
only), Solar Thermal energy harvesting, ex: liquid flat plate collectors, solar
ponds (principle of operation only), Solar photovoltaic principle.Wind Power
:principle of operation of a typical windmill. Hydro Power :Principles of
electric power generation from hydropower plants, Nuclear Power : Principles of
Nuclear power plants, Bio Fuels : introduction to bio fuels, examples of
various biofuels used in engineering applications, Comparison of biofuels with petroleum
fuels in terms of calorific value and emission. Steam
Formation and Properties :
Classification of boilers, Lancashire boiler, Babcock and Wilcox
boiler, boiler mountings and accessories (No sketches for mountings and accessories),
wet steam, saturated and superheated steam, specific volume, enthalpy
andinternal energy. (No numerical problems in this module)10 Hours
Module -2
Turbines and IC Engines and Pumps Steam turbines
:Classification, Principle of operation of Impulse and reaction turbines,
Delaval’s turbine, Parson’s turbine. (No compounding of turbines).
Gas turbines :Classification, Working principles and Operations
of Open cycle and closed cycle gas turbines.
Water turbines :Classification, Principles and operations of
Pelton wheel, Francis turbine and Kaplan turbine Internal Combustion Engines
:Classification, I.C. Engines parts, 2 Stroke and 4 stroke Petrol engines,
4 stroke diesel engines. P-V diagrams of Otto and Diesel cycles. Problems on
indicated power, brake power, indicated thermal efficiency, brake thermal
efficiency, mechanical efficiency, and specific fuel consumption, [numericals
on IC Engines]. 10 Hours
Module - 3
Machine Tools and Automation Machine Tools Operations : Turning,
facing, knurling, Thread cutting, Taper Turning by swivelling the compound
rest, Drilling, Boring, Reaming, Tapping, Counter
Sinking, Counter Boring, -Plane milling, End milling, Slot milling.
(No sketches of Machine tools, sketches to be used only for explaining operations.
Students to be shown the available machine tools in the Machine Shop of the
college before explaining the operations)
Robotics and Automation :
Robotics :Introduction, classification based on robots
configuration; Polar, cylindrical, Cartesian Coordinate and spherical.
Application, Advantages, and disadvantages
Automation :Definition, types –Fixed, Programmable &
Flexible automation, NC/ CNC machines: Basic elements with simple block diagrams,
advantages and disadvantages.
10 Hours
Module-4
Engineering materials and joining processes :
Engineering Materials :Types and applications of Ferrous & Nonferrous
metals and alloys,
Composites : Introduction: Definition, Classification and
applications (Air craft and Automobiles)
Soldering, Brazing and Welding : Definitions, classification
and method of soldering, Brazing and
welding. Differences between soldering, Brazing and Welding. Description
of Electric Arc Welding and Oxy-Acetylene Welding. 10 Hours
Module-5
Refrigeration, Air-Conditioning :
Refrigerants :properties of refrigerants, list of commonly used
refrigerants. Refrigeration –Definitions – Refrigerating effect, Ton of Refrigeration,
Ice making capacity, COP, Relative COP, unit of Refrigeration. Principle and
working of vapor compression refrigeration and vapour absorption refrigeration:
Principles and applications of air conditioners, Room air conditioner.
10 Hours
Course outcomes:
Students shall demonstrate knowledge associated with,
1. Various Energy sources, Boilers, Prime movers such as turbines and
IC engines, refrigeration and air-conditioning systems
2. Metal removal process using Lathe, drilling, Milling Robotics and
Automation.
3. Fair understanding of application and usage of various engineering
materials.
Question paper pattern:
• The question paper will have ten questions.
• Each full Question consisting of 16 marks
• There will be 2 full questions(with a maximum of four sub questions)
from each module.
• Each full question will have sub questions covering all the topics
under a
module.
• The students will have to answer 5 full questions, selecting one
full
question from each module.from each module.
• Each full question will have sub questions covering all the topics
under a
module.
Text Books:
1. V.K.Manglik, “Elements of Mechanical Engineering”, PHI Publications,
2013. (Module-1,2,4,5)
2. MikellP.Groover, “Automation, Production Systems & CIM”, 3rd
Edition, PHI (Module -3)
3. K.R.Gopalkrishna, “A text Book of Elements of Mechanical
Engineering”- Subhash Publishers, Bangalore. (Module -1,2,3,4,5)
Reference Books:
1. S.TrymbakaMurthy, “A Text Book of Elements of Mechanical
Engineering”, 4th Edition 2006, Universities Press (India) Pvt Ltd,
Hyderabad.
2. K.P.Roy, S.K.HajraChoudhury, Nirjhar Roy, “Elements of Mechanical
Engineering”, Media Promoters & Publishers Pvt Ltd,Mumbai,7th
Edition,2012
3. Pravin Kumar, “Basic
Mechanical Engineering”, 2013 Edition, Pearson.
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