sc JNTUK R20 B.Tech Engineering Chemistry Syllabus 2021 – Cynohub


JNTUK R20 B.Tech Engineering Chemistry Syllabus 2021

JNTUK Syllabus R20

JNTUK R20 B.Tech Engineering Chemistry Syllabus 2021

JNTUA R20 Engineering Chemistry Syllabus 2021

JNTUK R20 Engineering Chemistry Syllabus 2021 for first-year detailed syllabus along with Course Objectives and list of textbook and reference books is mentioned in this blog. In the first year and first semester, the subject of Engineering Chemistry has 5 units in total. Topic and sub-topics of Engineering Chemistry are mentioned below in detail. If you have any problem in understanding Engineering Chemistry or any other Engineering Subject in any semester or in any year then you can view the video lectures on the official CynoHub app.

JNTUK R20 Engineering Chemistry Syllabus Unit - 1:


Introduction, methods of polymerization (emulsion and suspension), mechanical properties. 


Compounding,  fabrication  (compression,  injection,  blown film, and extrusion),  preparation, properties, and applications  (PVC,  polycarbonates and  Bakelite),  mention some examples of plastic materials used in electronic gadgets, recycling of e-plastic waste (waste to wealth). 


Introduction, preparation, properties and applications (Buna S, thiokol and polyurethanes). 

Composite materials: 

Fiber reinforced plastics, conducting polymers, biodegradable polymers, biopolymers, biomedical polymers

JNTUK R20 Engineering Chemistry Syllabus Unit - 2:

ELECTROCHEMICAL CELLS AND CORROSION                                          

Single electrode potential, electrochemical series, and uses of series, standard hydrogen electrode, calomel electrode,  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 the 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).

JNTUK R20 Engineering Chemistry Syllabus Unit - 3:

CHEMISTRY OF MATERIALS                                                                             
Part- A:

Nanomaterials:-  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).


Refractories:  –  Definition,  classification,  properties  (refractoriness,  refractoriness under load,  porosity and 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), the chemistry of setting and hardening,  deterioration of cement.

JNTUK R20 Engineering Chemistry Syllabus Unit - 4:


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.

JNTUK R20 Engineering Chemistry Syllabus Unit - 5:

WATER TECHNOLOGY                                                                                    

Hardness of water,  determination of hardness by complexometric method,  boiler troubles  (priming and framing, 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 the purification of water,  chlorination,  breakpoint chlorination-desalination (reverse osmosis and electro dialysis).

JNTUK R20 Engineering Chemistry Syllabus Course Objectives :
  • Importance of usage of plastics in household appliances and composites (FRP) in aerospace and automotive industries. 
  • Outline the basics for the construction of electrochemical cells, batteries and fuel cells. Understand the mechanism of corrosion and how it can be prevented. 
  • Express the increases in demand as wide variety of advanced materials are introduced; which have excellent engineering properties. Classify and discuss the materials used in major industries like steel industry, metallurgical industries and construction industries and electrical equipment manufacturing industries. Lubrication is also summarized. 
  • Relate the need of fuels as a source of energy to any industry, particularly industries like thermal power stations, steel industry, fertilizer industry etc., and hence introduced. 
  • Explain the importance and usage of water as basic material in almost all the industries; interpret drawbacks of steam boilers and also how portable water is supplied for drinking purposes.
JNTUK R20 Engineering Chemistry Syllabus Course Objectives :

  • The knowledge of atomic, molecular and electronic changes, band theory related to conductivity. 
  • The required principles and concepts of electrochemistry, corrosion and in understanding the problem of water and its treatments. 
  • The required skills to get clear concepts on basic spectroscopy and application to medical and other fields. 
  • The knowledge of configurational and conformational analysis of molecules and reaction mechanisms.

JNTUK R20 Engineering Chemistry Syllabus Reference Books:
  • K. Sesha Maheshwaramma and Mridula Chugh, “Engineering Chemistry”, Pearson India Edn. 
  • O.G. Palana, “Engineering Chemistry”, Tata McGraw Hill Education Private Limited, (2009). 
  • CNR Rao and JM Honig (Eds) “Preparation and characterization of materials” Academic press, New York (latest edition) 
  • B. S. Murthy, P. Shankar and others, “Textbook of Nanoscience and Nanotechnology”, University press (latest edition)

Scoring marks in JNTUK R20 Engineering Chemistry Syllabus

Scoring good grades in Engineering Chemistry is a difficult task. CynoHub is here t help. We have made a video which will help Engineering Students get rank 1 in their exams this video will help students to score good grades in Engineering Chemistry. There are many reasons that scoring in Engineering Chemistry exams is difficult so this video will help you to rectify the mistakes students make in exam.

JNTUK R20 Engineering Chemistry Syllabus was made clear in this article. To know about the syllabus of other Engineering Subjects of JNTUK download the app. To download the app and to know about the syllabus of other subjects as you did of Engineering Chemistry JNTUK syllabus click at the link.

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