civil chem course file

Guru Nanak Engineering CollegeIbrahimpatnam, Ranga Reddy District – 501 506 (A. P.)

COURSE FILE (2008-2009)

NAME OF THE FACULTY : B. SRINIVAS DESIGNATION : ASSISTANT PROFESSOR DEPARTMENT : HUMANITIES & SCIENCES SUBJECT CODE : CM 05044 SUBJECT NAME : APPLIED CHEMISTRY YEAR : Ist YEAR CE

1. Target:

a. First class with distinction : 15b. First class : 30c. Pass class : 15

2. Course plan:

a. Teaching the students in the class

b. Explain the lesson using examples

c. Explain the practical applications.

d. Presentations through OHP, LCD projector

e. Guest lecture s on industrial related topics

f. Teaching with using Experiments in lab.

3. Method of evaluation:

a. Internal examinations (Objective type)

b. Unit wise Assignments (from previous question papers)

c. Final examination (Theory/Descriptive type)

4. Course Objective:

On completion of this course the student shall be able to:

a. Understand the role of chemistry in the field of engineering.

b. Develop analytical capabilities

c. Understand the various water treatment processes

d. Characterize, transfer and use of materials in engineering and apply knowledge in solving engineering problems.

e. Understand the quality of lubricants.

f. Understand the different polymers and their uses..

g. Understand the material is corrosion resistant.

h. Understand the concepts of cement and their applications.

2007 - 2008T P C+1 0 4

JNTU SYLLABUS (CM05044) APPLIED CHEMISTRY

UNIT I: Water Technology-I:

Introduction, Effect of Water on Rocks and Minerals, Types of impurities in Water, Hardness of Water – Temporary and Permanent hardness. Units and inter conversions of Units. Estimation of hardness by EDTA Methods. Problems on Temporary and Permanent hardnesses. Analysis of Water - Alkalinity; Chlorides and Dissolved Oxygen. Disadvantages of Hard Water. Methods of Treatment of Water for Domestic Purposes - Sedimentation, Coagulation, Filtration, Disinfection - Sterilization, Chlorination,Break point chlorination, Ozonization.

UNIT II: Water Technology-II:

Water for Industrial purpose - Water for Steam Making-Boiler Troubles – Carry Over - Priming and Foaming, Boiler Corrosion, Scales and Sludges, Caustic Embrittlement. Water Treatment: - Internal Treatment – Colloidal, Phosphate, Calgon, Carbonate, Sodium aluminate Conditioning of Water. External Treatment - Lime-Soda Process, Zeolite Process, Ion- Exchange Process; - Numerical Problems. UNIT III: Science of Corrosion:

Definition, Examples, Types of Corrosion: Theories of Corrosion and Mechanism – Dry Corrosion, (Direct Chemical attack), Wet Corrosion, (Electro Chemical Theory) Principles of Corrosion, Galvanic Series, Galvanic Corrosion, Concentration Cell Corrosion, Mechanism of Wet Corrosion – Hydrogen evolution type, Oxygen absorption type. Factors Influencing Corrosion. Control of Corrosion – Proper Design, Use of pure metal and metal alloys, Passivity, Cathodic Protection – Sacrificial anode and Impressed Current. Modifying the Environment, use of Inhibitors.

UNIT IV: Protective Coatings and their applications:

Surface Preparation: (1) Solvent Cleaning (2) Alkali Cleaning (3) Pickling and Etching (4) Sand Blasting (5) Mechanical Cleaning.

Types of Protective Coatings: Metallic Coatings – Anodic Coatings, Galvanization, Cathodic Coatings – Tinning, Metal Cladding, Electroplating Ex: Chromium Plating, Metal Spraying, Cementation–Sheradizing, Colourizing, Chromizing.

Chemical Conversion Coatings: (1) Phosphate (2) Chromate (3) Anodized Coatings.

UNIT V: Polymer Science and Technology:

Polymerization Reactions – Basic concepts. Types of Polymerization – Addition and Condensation Polymerizations. Plastics –Thermosetting and Thermoplastics – Differences. Compounding and Moulding of Plastics – Compression, Injection, Transfer, and Extrusion molding methods. Preparation, Properties and Engineering Uses of the Following: Polyethylene, PVC, Teflon, Bakelite, Nylon, Polyester, Polyurethane and Silicone Resins. Rubber – Processing of Natural Rubber, Vulcanization and Compounding. Elastomers – Buna S, Buna N, Thiokol. Polyurethane Rubber.

UNIT VI: Refractories and Insulators:

Refractories – Definition, Classification With Examples; Criteria of a Good Refractory Material; Causes for the failure of a Refractory Material; Insulators – Definition and Classification with Examples; Characteristics of Insulating Materials; Thermal Insulators, Electrical Insulators - Their Characteristics and Engineering Applications.

UNIT VII: Lubricants:

Principles and function of lubricants - Types of Lubrication and Mechanism – Thick Film or Hydrodynamic Lubrication, Thin Film or Boundary Lubrication, Extreme Pressure Lubrication. Classification and properties of lubricants-Viscosity, flash and fire point, cloud and pour point, aniline point, Neutralization Number and mechanical strength.

UNIT VIII: Inorganic Cementing Materials:

Cement: Important Parameters for Manufacturing Cement Clinkers. Chemical Constituents and Composition of Cement. Methods of Manufacture of Cement – Wet and Dry Processes. Additives for Cement. Properties of Cement - Setting and Hardening. Types of Portland Cement.

5. Guidelines to students:

a. They should attend all the class to understand and learn basics of this

Course.

b. They should go through different reference books, internet browsing,

Journals, news papers to acquire the best and latest knowledge of the

Subject.

c. They should learn the things in the practical approach besides theory.

d. They should gain knowledge by using internet, news papers and journals.

BOOKS/ MATERIALS/ REFERENCES:

TEXT BOOKS:

1. A text book of Engineering Chemistry by Jain & Jain, Dhanpat Rai Publishing Company, New Delhi(15 Ediction) (2006). 2. Chemistry of Engineering Materials by C.P. Murthy, C.V. Agarwal and A. Naidu BS Publication Hyd. 2007.

REFERENCE :

1. A text book of Engineering Chemistry by S.S. Dara, S.Chand & Co, New Delhi (2004)

2. Engineering Chemistry by J C Kuriacose and J. Rajaram, Tata McGraw-Hill Co, New Delhi (2004)

3. Text book of Engineering Chemistry by Shashi Chawala, Dhanpat Rai Publishing Company, 15th edition New Delhi (2004).

4. Laboratory Manual on Engineering Chemistry by S.K. Bhasin and Sudha Rani, Dhanpat Rai Publishing Company, New Delhi (2004).5. Engineering Chemistry by R. Gopalan, D. Venkappaya and S.Nagarajan, Vikas Publishing House, New Delhi (2004).6. Engineering Chemistry by R.V. Gadag A.N. Tyanand Shortly IK. International Publishing house Pvt. Ltd. New Delhi.

SUGGESTED WEB SITES:WWW.CHEMISTRYMASTER.WETPAINT.COMWWW.GURUNANAK-CHEMISTRY.BLOGSPOT.COMWWW.CHEMISTRYMASTER.BLOGSPOT.COMWWW.ENGINEERINGCHEMISTRY.BLOG.CO.INWWW.APPLIEDCHEMISTRY.BLOG.CO.INWWW.CHEMISTRYABOUT.COMWWW.MSENCARTA.COMWWW.WIKIPEDIA.COMWWW.CHEMISTRY.CALTECH.EDUWWW.CHEM.VT.EDU

http://WWW.CHEMISTRY.CALTECH.EDU/

http://WWW.WIKIPEDIA.COM/

http://WWW.MSENCARTA.COM/

http://WWW.CHEMISTRYABOUT.COM/

http://WWW.ENGINEERINGCHEMISTRY.BLOG.CO.IN/

http://WWW.CHEMISTRYMASTER.BLOGSPOT.COM/

http://WWW.GURUNANAK-CHEMISTRY.BLOGSPOT.COM/

COURSE SCHEDULENumber of hours / Lectures available in this Year

Distribution of hour’s unit wise

Text Books (to be acquired by the Students)

Book 1 Text Book of Engineering Chemistry By Jain &Jain Publishers:Dhanpat Rai

Book2Text Book of Engineering Chemistry By C..P.Murthy , C.V.Agrawal,and AndhraNaidu & B.S publication.

Text Books for references

Book 3 Text book of Engineering Chemistry By S.S.Dara Publishers:Chand

Book 4 Text book of Engineering Chemistry By Shashi Chawla Publishers Dhanpat Rai & Co

Book 5 Engineering Chemistry By R.gopalan, D.Venkappaya and S.Nagarajan, Vikas publishers

Unit TopicChapters No of Classes

B-1 B-2 B-3 B-4 B-5

IWater Technology-I

1 2 1 6 18 7+1*

IIWater Technology-II

1 2 1 6 18 9+1*

IIIScience of Corrosion 7 8 4 17 6 9+1*

IVProtective Coatings and their applications

8 8,9 4 - 7 8+1*

VPolymer Science and Technology

3 9 9 1 16 12+1*

VIRefractories & Insulators

11 10,1 16 8,14 11 7+1*

VII Lubricants 10 7 5 7 13 7+1*

VIIIInorganic Cementing Materials Combustion

11 11 6 9 10 11+1*

Classes for above curriculum topics 03

Descriptive tests 06

On – line tests 03

Revisions 03

Total no of classes 93

Indicates Tutorial Class

LESSON PLAN

Name of the Unit Name of the topic No. of class

Cumu. class

Unit- IWater technology-I

1.1. Sources, impurities in water 1 1

1.2. Water quality- hardness, units and its determination

1 2

1.3. Estimation of hardness by EDTA methods 1 3

1.4. Problems on Hardness 1 4

1.5. Analysis of alkalinity, chlorides and D.O 1 5

1.6. Methods for treatment of water for domestic purpose.

2 7

Unit –IIWater Technology –II

2.1. Water for industrial purpose 1 8

2.2. Boiler problems 1 9

2.3. Water treatment- Internal treatment 1 10

2.4. External water treatment- Lime soda 2 12

2.5. Zeolite process 1 13

2.6. Ion-exchange process 1 14

2.7. Numerical problems in lime soda process 2 16

Unit-IIIScience of corrosion

3.1. Introduction , Corrosion definition 1 17

3.2. Types of corrosion, Chemical corrosion

1 18

3.3. Electrochemical corrosion 1 19

3.4. Types of electro chemicals corrosion (Galvanic, pitting corrosion

1 20

3.5. Crevice, concentration cell, waterline corrosion

121

3.6. Inter granular, Stress, Underground corrosion 3.7. Microbiological, erosion corrosion

1

1

22

23

3.8. Factors affecting corrosionSacrificial anodic, Impressed current cathodic protection

2 25

Unit-IVProtective coatings and their application

4.1. (1) Solvent Cleaning (2) Alkali Cleaning (3) Pickling and Etching(4) Sand Blasting (5) Mechanical Cleaning.

2 27

4.2. Types Of Protective Coatings: Metallic Coatings – Anodic Coating Galvanization,

2 29

4.3. Cathodic Coating – Tinning, Metal Cladding, Electroplating Ex: Chromium

Plating, Metal Spraying, Cementation–Sheradizing, Colourizing, Chromizing

2 31

4.4. Chemical Conversion Coatings: (1) Phosphate (2) Chromate 1 32

4.5. (3) Anodized Coatings.1 33

Unit-VPolymer Science and Technology

5.1. Polymerization 5.2. Types of polymerization- additional polymerization

1 34

5.3. Step growth polymerization Chain growth polymerization

1 35

5.4. Plastics- Definition, classification 1 36

5.5. Thermo and Thermosetting plastics Compounding plastics

1 37

5.6. fabrication plastics 1 38

5.7. Composition, properties, engineering uses of Poly-ehylene

1 39

5.8. PVC, Bekalite, 1 40

5.8. Nylon, poly ester 1 41

5.9. polyurethane, Silicon resins, 1 42

5.10. Processing of natural rubber Vulcanization of rubber5.11. Compounding of rubber

1 43

5.12. Elastomers- Buna-S, Buna-N ,

1 44

5.13. Thiokol, . polyurethane rubber 1 45

Unit-VIRefractories and Insulators

6.1. Refractories- Definition, Classification 1 46

6.2. Criteria for a good refractory material 2 48

6.3. Causes for the failure of a refractory material

2 50

6.4. Insulators- Thermal insulators 1 51

6.5. Electrical Insulators 1 52

Unit- VIILubricants

7.1.Pinciples and factions of lubricants - Types of Lubrication and Classification

2 54

7.2. Lubricants Mechanism – Thick Film or Hydrodynamic Lubrication,

1 55

7.3. Lubricants Thin Film or Boundary Lubrication, Extreme Pressure Lubrication.

1 56

7.4. properties of Lubricants – Viscosity – Flash and Fire points –

1 57

7.5. Cloud and Pour points 1 58

7.6. Aniline-Point-Neutralization number and Mechanical strength.

1 59

Unit-VIIIInorganic cementing materials.

8.1cement: parameters for manufacturing cement clinkers

1 60

8.2Chemical constituents and composition of cement

1 61

8.3Methods manufacture of cement – wet process 2 63

8.4.Dry process 2 65

8.5.Additives for cement 1 66

8.6.Properties of cement- setting 1 67

8.7.hardening 1 68

8.8.Types of Portland cement 2 70

TOPIC WISE COVARAGE

UNIT – I

Hour No.

Date Topic References

01 1.1. Introduction, impurities in water 1,2,3,4,5

02 1.2. Water quality- hardness, units and its determination

03 1.3. Estimation of hardness by EDTA methods 04 1.4. Problems on Hardness

05 1.5. Analysis of alkalinity, chlorides and D.O

06 1.6. Methods for treatment of water for domestic purpose.

07 Methods for treatment of water for domestic purpose.

REVISION

UNIT – II

Hour No.


08 2.1. Water for industrial purpose 1,2,3,4,5

09 2.2. Boiler problems

10 Scales and sludge, carry over

11 2.3. Water treatment- Internal treatment

12 2.4. External water treatment- Lime soda

13 Hot and cold process of lime soda

14 2.5. Zeolite process

15 2.6. Ion-exchange process

16 2.7. Numerical problems in lime soda process

REVISION

UNIT – III

Hour No.


17 3.1. Introduction , Corrosion definition 1,2,3,4,5

18 3.2. Types of corrosion, Chemical corrosion

19 3.3. Electrochemical corrosion

20 3.4. Types of electro chemicals corrosion (Galvanic, pitting corrosion

21 3.5. Crevice, concentration cell, waterline corrosion

22 3.6. Inter granular, Stress, Underground corrosion

233.7. Microbiological, erosion corrosion

24 3.8. Factors affecting corrosion

25 Sacrificial anodic, Impressed current cathodic protectionREVISION

UNIT – IV

Hour No.


26 4.1. (1) Solvent Cleaning (2) Alkali Cleaning (3) Pickling and Etching

1,2,3,4,

27 (4) Sand Blasting (5) Mechanical Cleaning.

28 4.2. Types Of Protective Coatings: Metallic Coatings – Anodic Coating

29 Galvanization,

30 4.3.Cathodic Coating – Tinning, Metal Cladding, Electroplating Ex: Chromium Plating, Metal Spraying,

31 Cementation–Sheradizing, Colorizing, Chromizing

32 4.4. Chemical Conversion Coatings: (1) Phosphate (2) Chromate.

33 (3) Anodized Coatings

REVISION

UNIT – VHour No.


34 5.1. Polymerization 5.2. Types of polymerization- additional polymerization

1,2,3,4,5

35 5.3. Step growth polymerization Chain growth polymerization

36 5.4. Plastics- Definition, classification37 5.5. Thermo and Thermosetting plastics

Compounding plastics38 5.6. fabrication plastics

39 5.8. Composition, properties, engineering uses of Poly-ethylene

40 5.9. P V C and Teflon

41 5.10. Bakelite, Nylon, poly ester

42 5.11. polyurethane, Silicon resins,

43 5.12. Processing of natural rubber Vulcanization of rubber5.13. Compounding of rubber

44 5.14. Elastomers- Buna-S, Buna-N

45 5.15.POLYURETHANE , Thiokol,

REVISION

UNIT – VIHour No.


46 6.1. Refractories- Definition, Classification 1,2,3,4,5

47 6.2. Criteria for a good refractory material

48 Criteria for a good refractory material

49 6.3. Causes for the failure of a refractory material

50 Causes for the failure of a refractory material

51 6.4. Insulators- Thermal insulators

52 6.5. Electrical Insulators

REVISION

UNIT – VII

Hour No.


53 7.1.Pinciples and factions of lubricants - 1,2,3,4,5

54 Types of Lubrication and Classification

55 7.2. Lubricants Mechanism – Thick Film or Hydrodynamic Lubrication,

56 7.3. Lubricants Thin Film or Boundary Lubrication, Extreme Pressure Lubrication.

57 7.4. properties of Lubricants – Viscosity – Flash and Fire points –

58 7.5. Cloud and Pour points Aniline-Point-,

59 7.6. Neutralization number and Mechanical strength.

REVISION

UNIT - VIIIHour No.


60 8.1cement: parameters for manufacturing cement clinkers

1,2,3,4,5

61 8.2Chemical constituents and composition of cement

62 8.3Methods manufacture of cement – wet process

63 8.3Methods manufacture of cement – wet process

64 8.4Methods manufacture of cement – DRY process

65 8.4Methods manufacture of cement – DRY process

66 8.5.Additives for cement

67 8.6.Properties of cement- setting

68 8.7.hardening

69 8.8.Types of Portland cement

70 Types of Portland cement

REVISION

Actual Date of Unit Completion and Remarks

UNIT – I Water Technology-I

Actual Date :

Completion Date :

Remarks: Total classes held : As per Teaching Schedule Total No. of Hours: 7

UNIT – II Water Technology-IIActual Date :Completion Date :Remarks: Total classes held : As per Teaching Schedule Total No. of Hours: 9

UNIT – III Science of Corrosion

Actual Date :

Completion Date :


UNIT – IV Protective Coatings and their applications

Actual Date :

Completion Date :


UNIT – V Polymer Science and Technology

Actual Date :

Completion Date :


UNIT - VI Refractories & Insulators

Actual Date :

Completion Date :


UNIT - VII Lubricants

Actual Date :Completion Date :Remarks: : Total classes held : As per Teaching Schedule Total No. of Hours: 7

UNIT – VIII Inorganic cementing materials

Actual Date :

Completion Date :


Assignments

UNIT-I Water Technology - I

Week -11. a) What is meant by “hardness” of water. And what are the disadvantages of hard water.? b) Distinguish between temporary and permanent hardness of water. C) What are its units? D) How do you express the hardness of water? 2. (a) What is the principle of EDTA method? Explain the estimation of hardness of water by complex metric method.(b) Mention the dis-advantages of using hard water for industrial purpose.3. (a) Explain the terms temporary and permanent hardness of water. (b) How do you estimate the temporary hardness of water by EDTA method? (c) 50 ml of a sample of hardwater was titrated against 0.01 M EDTA, required 48 ml of EDTA for titration. 50 ml of the same hardwater after boiling and filtering etc. required 35ml of the EDTA for titration. Calculate the total and temporary hardness of water in degree Clark.

Week-2

1. (a) Estimation of free chlorine in water samples.(b) Discuss the impurities in water and their effects. c. Explain the sedimentation process for the treatment of municipal water2. Write a short notes on the following: (a) Break - point chlorination (b) Dissolved oxygen (c) Hardness of water (d) Sedimentation and coagulation. 3. Distinguish the following: [4+4+4+4] (a) Hard water and soft water (b) carbonate and non-carbonate hardness (c) mg/litre and ppm (d) Sedimentation and filtration.

Week-3

1. What is meant by disinfection? What is its significance? Explain the different methods used for disinfection of surface water.2. (a) Why is sterilization of water necessary? Discuss any two methods of sterilisation. (b) 0.5 g of CaCO3 was dissolved in dil.HCl and diluted to 1000 mL. 50 mL of this solution required 48 mL of EDTA solution for titration. 50 mL of hard water sample required 15 mL of EDTA solution for titration. 50 mL of same water sample on boiling, filtering etc, required 10 mL of EDTA solution. Calculatethe different kinds of hardness in ppm. 3. Write short notes on the following: [4+4+4+4] (a) Units of hardness of water(b) Break point chlorination (c) Filtration of water (d) Impurities in water

Date of submission

Date of valuation of Assignment

UNIT-II Water Technology – II

Week-4

1. Write short notes on the following:a) Carry over b) Phosphate conditioning (c) Caustic embrittlement 2. a) Write short notes on Internal treatment methods b) State the disadvantages of scale formation in boilers.3. Distinguish between the following: (a) Scales and Sludges (b) Soft water and dematerialized water. (c) Lime soda process and demineralization of water.4. What are boiler scales? How their compositions effect the boiler? What are their ill effects? Discuss the measures for their prevention. (b) Compare the lime soda process with zeolite process of water softening. [8+8]

Week-5

1. (a) Describe the demineralisation of water by ion - exchange method.(b) Mention the disadvantages of using hard water for any two industries2. Explain the Ion-exchange method for the removal of dissolved impurities and itsadvantages over lime soda process3. (a) Explain the cold lime soda process and hot lime soda process. What are the advantages of lime soda process? (b) 100 ml of a water sample contains hardness equivalent to 25 ml of 0.08 N MgSO4. [8+8]i. What is the hardness of water sample in ppm? ii. What is the amount of lime and soda required for the treatment of the water sample? 3. Explain the Ion-exchange method for the removal of dissolved impurities and itsAdvantages over lime soda process. [16]

Week-6

1) a) What is the chemical composition of Zeolite? How are they classified? Explain the mechanism of the treatment of hard water by Zeolites.b) A Zeolite softener was exhausted and regenerated by passing 100 liters of NaCl solution containing 585 gms per liter. Calculate the total hardness of the water sample in ppm, if the Zeolite softener can soften 1000 liters of water before regeneration.2) Write a comparative statement on lime soda & Zeolite process.3) Calculate the lime and soda needed for softening 50,000 litres of water containing the following salts: CaSO4 = 136 mg/lit; MgCl2 = 95 mg/lit; Mg(HCO3)2 = 73 mg/lit; Ca(HCO3)2= 162 mg/lit. Given that the molar mass of Ca(HCO3)2 is 162 and that of MgCl2 is 954) Determine the amount of soda and lime required in Kg’s to soften 5000 lit of water containing the following salts MgCl2 = 15.5 ppm, Ca(Hco3)2 = 32.5 ppm, Ca(No3)2 = 22.4 ppm, NaCl = 50 ppm, KCl = 22.5 ppm.

Date of submission


UNIT-III Science of Corrosion

Week-7

1) Explain the process of wet corrosion by evolution of hydrogen and absorption of oxygen (or) Describe the electrochemical theory of corrosion. 2) Differentiate the following with suitable examples. a) Galvanic series and electrochemical series. b) Pitting corrosion ad stress corrosion. 3)(a) What is meant by differential aeration corrosion? Illustrate with suitable examples. (b) How is rate of corrosion influenced by i. Nature of corrosion product ii. Relative anodic to cathodic areas iii. Temperature and moisture.

Week-8

4) (a) What is oxidation corrosion and how does it take place? Describe the mechanism of oxidation corrosion. (b) Describe the various factors influencing the rate of chemical corrosion. 5) Write down the equation for the hydrogen evolution in an electro chemical corrosion reaction?6. (a) What is oxidation corrosion and how does it take place? Describe the mechanism of oxidation corrosion. (b) Describe the various factors influencing the rate of chemical corrosion.

Week-9 1. What are the factors effecting corrosion?

2. a) Explain the following factors influencing the rate of corrosion. i. Nature of corrosion product ii. Position in electrochemical series iii. pH. (b) Differentiate between dry corrosion and wet corrosion 3. Define corrosion? Explain any 4 factors that affect the rate of corrosion & explain any 4 corrosion control methods.

Week-10

1. Explain how corrosion control can be brought about by the following methods.a) Modifying the environment b) Cathodic protection. 2. Write a short note on Inhibitors & Cathode protection.

Date of submission


UNIT-IV Protective Coatings and their Applications

Week-11

Explain the protective coatings you would choose for steel; cast iron and concrete pipe. Give reasons for your answer.2. (a) Write short notes on chromizing (b) How pH of an electrolyte affects electrodeposit? (c) Explain the method of coating for protection of furnace parts

Week-12

1.(a) Describe the mechanism of drying of conjugated oils. (b) Name any four important drying oils. (c) Define the following:i. Acid value of an oil ii. Saponification Value iii. Iodine Value. 2. Write notes on Surface preparation. 3. (a) Discuss how the surface of a metal is prepared prior to the application of a protective coating.(b) Write the important applications of protective coating.(c) Why is moderate current density employed during electroplating?

Week-13

What is metallic coating? Name the metallic coating methods.2. (a) Describe the process of sheradizing? Mention its applications?(b) Distinguish between anodizing and electroplating. (c) Define Anodizing 3. (a) List the differences between anodic coating and cathodic coating. (b) How zinc coated on iron prevents corrosion? (c) Explain sand blasting method of surface preparation?

Week-14

1. Explain in detail the various methods of Chemical conversion coatings2. (a) Explain the following: i. Alkali Cleaning ii. Mechanical cleaning. (b)

Describe the principles involved in electro plating. (c) Anodized coating is preferred for Aluminium - Give Reasons.

Date of submission


UNIT-V Polymer Science & Technology

Week-15 1. Write the differences between a) compression-Injection moulding b) additional

polymerization-condensation polymerization c) thermoset-thermoplasts. 2. Explain any one of the mechanism of additional polymerization, using suitable example. .

Week-16

1. Write a note on thermo setting plastics? Write a note on properties and uses of Teflon.2.Describe the manufacture , properties ,uses of a)polyethylene b) Teflon c) Thiokol d) PVC3.(a) How is HDPE is prepared? Give its properties and uses? (b) Explain the injection moulding process with a neat diagram? Mention its advantages.

Week-17

1.What is moulding of plastics? Explain compression moulding technique in detail. 2.How is Bakelite manufactured? Discuss its important uses and properties. 3. Identify the thermosets & thermoplasts among the following: PVC, polyethylene, silicon, polyester fiber, bakelite. What is Bakelite? How is it manufactured and mention its uses.4. (a) Differentiate between LDPE & HDPE. (b) What are the drawbacks of raw rubber?(c) Write the repeating unit for the following: i. Nylon 6,6 ii. PVC

Week-18

1.Describe the preparation, properties and engineering uses of Polythylene.2. (a) Explain the preparation, properties and uses of Bakelite.(b) Describe with a neat sketch, the process of compression moulding3. (a) How will you synthesis nylon 6,6 from 1,3 butadiene?(b) Describe the method of preparation of polyester and mention its propertiesand uses. (c) What is the repeating unit of [6+6+4] i. natural rubber ii. Teflon.

Week-19

1. (a) What are elastomers? Give the preparation, properties and uses of Buna S. (b) Describe a method for moulding of thermoplastic resin 2. (a) Differentiate between elastomer and plastic. (b) Which rubbers are used in the preparation of automobile parts? Discuss their manufacture and vulcanization.3 Write preparation, properties and uses of nylon, polyester, and polyurethanes. (a) Why are Silicones called inorganic polymers? Discuss the synthesis of linear chain Silicones. (b) Why Bakelite can’t be remoulded and write its repeating unit? (c) Describe condensation polymerization with an example

Date of submission


UNIT-VI Refractories & Insulators

Week-20

1. Discuss any FOUR essential properties of a good refractory in detail. 2. What are electrical insulators? Discuss their characteristics & engineering applications.3. What are thermal insulators? Discuss their engineering applications and characteristics

Week-21

1. (a) What are refractories? How important are the properties – refractoriness under load and thermal conductivity for industrial applications? (b) Compare acidic and basic refractories with examples 2.What do you understand by ‘refractoriness’. Explain its measurement.Write a note on ‘refractoriness-under-load (RUL)’.

Week-22

1. (a) Define Refractories and what are the criteria of a good refractory? (b) Give the classification of refractories with suitable examples2. (a) What is pyrometric cone equivalent? How it is determined for a refractory? What is its significance?(b) Write a short note on: i. porosity ii. Thermal Conductivity iii. Dimensional Stability. Iv. Strength

Date of submission


UNIT-VII LubricantsWeek-23 1. Write a short note on principle and function of Lubricants

2. (a) Give the functions of lubricants. (b) Describe the mechanism of extreme pressure lubrication. C) How a viscous lubricant is converted into grease?3. Write a note on lubricants with special reference to their classification, mode of action, examples and uses.

Week-24

1. Explain the various mechanisms of lubrication in detail. 2.Explain the following two theories for the mechanism of the lubricants. a) Boundary lubrication b) Extreme pressure lubrication 3. (a) Give the functions of lubricants. (b) Describe the mechanism of extreme pressure lubrication. C) How a viscous lubricant is converted into grease?

Week-25

1. Define lubricant. Discuss the Classification and important properties of the lubricats.

Date of submission

Date of valuation of AssignmentUNIT-VIII Inorganic Cementing Materials

Week-261. What are the chemical constituents of Cement? Discuss the function of each constituent.

Week-271. (a) Why cements are called hydraulic cements? [6] (b) By writing the various chemical reactions involved explain the setting and hardening of cement.

Week-281. (a) Discuss the chemical and physical changes that occur during the setting of cement with relevant chemical equations. (b) Write a note on types of Portland cements.

Week-29

1. What is Portland cement? Give its composition. What are the raw materials required for its manufacture? b) Discuss the chemistry of setting and hardening of cement. 2. a. Write a short note on Additives for cement.

b. Write a note on type of Portland cement.

Week-30

1. With the help of flow diagram explain the manufacture of Portland cement by dry and wet process.

Date of submission


A LIST OF TUTORIAL/REVISION CLASSES

S.NO TUTORIAL/REVISION CLASSES

I Estimation hardness by EDTA method.

2 To study about external treatment of water

3 To study about factors influencing the corrosion

4 To study about types of protective coatings.

5 Preparation and properties of polyethylene, pvc, and bakelite.

6 To study about Criteria of a good refractory materials.

7 To study the properties of the lubricants.

8 To study in detailed manufacturing of cement

9 To study about plastics and elastomers

10 Explain the following two theories for the mechanism of the lubricants. a) Boundary lubrication b) Extreme pressure lubrication

Tutorial [as many planned per unit]

UNIT-I

WATER TECHNOLOGY-I1. Estimation hardness by EDTA method

UNIT-II

WATER TECHNOLOGY-II1. To study about external treatment of water

UNIT-III

SCIENCE OF CORROSION

1.To study about factors influencing the corrosion & Control methods

UNIT-IV

PROTECTIVE COATINGS ANF THEIR APPLICATIONS

1.To study about types of protective coatings & applications.

UNIT-V

POLYMER SCIENCE AND TECHNOLOGY

1Preparation and properties of polyethylene, pvc, and bakelite and moulding techniques

UNIT-VI

Refractories & Insulators1. To study about Criteria of a good refractory materials

UNIT-VII

LUBRICANTS1. To study the properties of the lubricants

UNIT-VIII

Inorganic cementing materials1. To study in detailed manufacturing of cement

civil chem course file

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