All Materials regarding to B.tech R-20 in Mechanical Engineering in 1st Year 2nd Semester with unit wise for Every Subjects are available.
👇👇Scroll Down for Important Questions and Topics Unit Wise 👇👇
| Mechanical 1-2 Engineering Mechanics | ||
|---|---|---|
| S.No | Chapters / Units | Download Link |
| 1 | Unit 1 | Download |
| 2 | Unit 2 | Download |
| 3 | Unit 3 | Download |
| 4 | Unit 4 | Download |
| 5 | Unit 5 | Download |
Mechanical 1-2 EM Important Topics
UNIT I: POLYMER TECHNOLOGY 8 hrs
Polymerisation:- Introduction, methods of polymerization (emulsion and suspension),
mechanical properties.
Plastics: Compounding, fabrication (compression, injection, blown film and extrusion),
preparation, properties and applications (PVC, polycarbonates and Bakelite), mention some
examples of plasticmaterials used in electronic gadgets, recycling of e-plastic waste (waste
to wealth).
Elastomers:- Introduction, preparation, properties and applications (Buna S, thiokol and
polyurethanes).Composite materials: Fiber reinforced plastics, conducting polymers,
biodegradable polymers, biopolymers, biomedical polymers.
Course Outcomes: At the end of this unit, the students will be able to
Analyze the different types of composite plastic materials and interpret
the mechanism ofconduction in conducting polymers.
UNIT II: ELECTROCHEMICAL CELLS AND CORROSION 10 hrs
Single electrode potential, electrochemical series and uses of series, standard hydrogen
electrode, calomelelectrode, construction of glass electrode, batteries (Dry cell, Li ion battery
and zinc air cells), fuel cells (H2-O2, CH3OH-O2, phosphoric acid and molten carbonate).
Corrosion:-Definition, theories of corrosion (chemical and electrochemical), galvanic
corrosion, differential aeration corrosion, stress corrosion, galvanic series, factors
influencing rate of corrosion, corrosion control (proper designing and cathodic protection),
Protective coatings (surface preparation, cathodic coatings, anodic coatings, electroplating
and electroless plating [nickel]), Paints (constituents, functions and special paints).
UNIT III: CHEMISTRY OF MATERIALS 10 hrs
Part- A:
Nano materials:- Introduction, sol-gel method, characterization by (Brunauer Emmet
Teller [BET]), (scanning electron microscopy [SEM]) and (transmission electron
microscopy [TEM]) with example (TiO2), applications of graphene and fullerenes,
carbon nanotubes (types, preparation and applications)Thermal analysis techniques:
Instrumentation and applications of thermogravimetric analysis (TGA), differential
thermal analysis (DTA), differential scanning calorimetry (DSC).
Part-B:
Refractories: - Definition, classification, properties (refractoriness, refractoriness under
load, porosityand thermal spalling), failure of refractories.
Lubricants: - Definition, mechanism of lubricants, properties (definition and importance).
Cement: - Constituents, manufacturing, parameters to characterize the clinker formation:
lime saturation factor (LSF), silica ratio (SR) and alumina ratio (AR), chemistry of setting
and hardening, deterioration of cement.
Course Outcomes: At the end of this unit, the students will be able to
Synthesize nanomaterials for modern advances of engineering technology.
Summarize the techniques that detect and measure changes of state of reaction.
Illustrate the commonly used industrial materials.
UNIT IV: FUELS 10 hrs
Introduction, calorific value, higher calorific value, lower calorific values, problems using
Dulong’s formula, proximate and ultimate analysis of coal sample and their significance,
numerical problems, petroleum (refining-cracking), synthetic petrol (Fischer Tropsch and
Bergius), petrol knocking, diesel knocking, octane and cetane ratings, anti-knocking
agents, Introduction to alternative fuels (Bio-diesel,ethanol, methanol, natural gas,
liquefied petroleum gas, compressed natural gas), Flue gas analysis by Orsat apparatus,
rocket fuels.
Course Outcomes: At the end of this unit, the students will be able to
Differentiate petroleum, petrol, synthetic petrol and have knowledge how they are produced.
Study alternate fuels and analyse flue gases.
UNIT V: WATER TECHNOLOGY 8 hrs
Hardness of water, determination of hardness by complexometric method, boiler troubles
(priming and foaming, scale formation, boiler corrosion, caustic embrittlement), internal
treatments, softening of hard water (zeolite process and related sums, ion exchange process),
treatment of industrial waste water, potable water and its specifications, steps involved in
purification of water, chlorination, break point chlorination-desalination (reverse osmosis
and electro dialysis).
Disclaimer :
We are not responsible for any loss of data /or any other information by visiting this website. We just providing previous papers to help the students who need previous papers to prepare themselves. This downloaded from internet source just to education purpose only.
Thank you.
Feel free to contact us, if you want any other courses or Tutorials or any other information .
We'll always try to helps you better learn something