15CR41T: Refractories Ceramics 4th Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Refractories detail DTE Kar Diploma syllabus for Ceramics Engineering (CR), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15CR41T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other ceramics 4th sem syllabus for diploma c15 scheme dte karnataka you can visit Ceramics 4th Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for refractories is as follows.

Pre-requisites:

Applied Science, Inorganic Chemistry & Basics of Ceramic lab.

Course Objectives:

Students will demonstrate acceptable knowledge on types of refractories, their manufacturing, qualities and their application in various industries and furnaces.

Course Outcomes:

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1. Introduction to Refractories

Definition of Refractory, Discuss general properties of refractory. Classification of refractories based on chemical nature; acidic, basic & neutral with definition and examples. Classification based on operating temperature – low heat duty, medium heat duty, high heat duty & super duty with examples.

2. Phase Equilibrium

Define and explain phase, phase rule, double component system – alumino silicate & Magnesium silicate systems, triple component system – ferrous alumino silicate, lime alumino silicate systems. Interpretation of phase diagram for selection of refractory batch. Definition & explanation of sintering, vitrification and fusion.

3. Manufacturing

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4. Properties & Testing

Describe the effect of following properties on quality of refractory & their tests – Green Density & Fired Density, Porosity, Permeability, Water Absorption, Abrasion Resistance, Refractoriness (P.C.E.), Refractoriness Under Load, Cold Crushing Strength, Modulus of
Rupture (Hot & Cold), Thermal expansion, Permanent Linear Change on Reheating (PLCR), Thermal Conductivity, Spalling resistance, Erosions resistance and Slag resistance.

5. Applications

Applications of refractories in Glass industry, Cement Industry, Steel – Ferrous & non-ferrous industries, thermal power stations, sugar industries, chemical & fertiliser industries. Explain with diagram of arc furnace, blast furnace, coke oven, thermal boiler for power plant.

6. Monolithic Refractories

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List of Reference Books.

1. Refractory Rashid Chesti
2. Fuels Furnaces & Refractories O P Gupta
3. Industrial Ceramics Singer & Singer
4. Fuels Furnaces, Refractories & Pyrometry AVK Suryanarayana, BSPublications
5. Industrial Furnaces W Trinks

E-resource

1. http://www.en.wikipedia.org
2. http://www.indfurnace.com
3. http://www.cumi-murugappa.com/refractories
4. http://www.firebricks.co.in
5. http://www.epa.gov/ttnchie1/ap42/ch11/final/c11s05.pdf
6. http://www.idc-online.com/technical_references/pdfs/mechanical_engineering/Type_of_Monolithic_Refractories.pdf

Video links

1. www.youtube.com/watch?v=2A7iBp8yfZg
2. www.youtube.com/watch?v=USlytoLMIWo
3. www.youtube.com/watch?v=zALVuWpo2xs
4. www.youtube.com/watch?v=03oSe7B4I0A
5. www.youtube.com/watch?v=QYVBbzW_7TY
6. www.youtube.com/watch?v=EFnWnlCLsEw

Suggested Student Activity

1. Student should implement phase diagrams and prepare some compositions of refractory and make a report on it.
2. Visit a nearby refractory industry and make a report on the product manufactured.
3. Arrange a guest lecture on refractories and student should make a report on the talk given.
4. Surf the internet /books and gather information regarding recent developments in refractories and its application. And make a report on it.
5. Visit a nearby industry using heat treatment, and make a report on the type & shape of the refractory they use.
6. Make a report on availability of different shaped refractories in the market.

Note: Student should prepare hand written report with minimum 2-3 pages and reports should not be copied from earlier batches. And other similar tasks can be assigned.

Model Question Paper:

(CIE)

1. Describe basic refractory with examples
2. Classify the refractories based on chemical nature and operating temperature.

OR Explain general properties of refractory.

3. Describe phase rule.
4. Describe double component system with an example.

OR Explain vitrification

Model Question Paper:

Part-A

Answer any 6 of the following 6×5=30 marks

1. Define refractory with examples.
2. Describe neutral refractory.
3. Define phase rule and list its use.
4. Name the different binders used in refractory manufacture.
5. Name the various methods of obtaining dead burnt magnesite.
6. Define spalling resistance and thermal conductivity.
7. State the formula to find CCS and MOR.
8. Name the refractories used in different parts of blast furnace
9. Define monolithic and list its types.

Part B

Answer any 7 from the following 7 x 10=70

1. Discuss the general properties of refractories 5
2. Classify the refractories with examples. 5
1. Explain lime alumino silicate system 7
2. Differentiate sintering & vitrification 3
3. Illustrate the manufacturing process of chrome-mag refractory with flowchart10
1. Describe the specific properties of silica refractory. 6
2. explain the raw materials used in making of insulation bricks. 4
1. explain electrocast refractories. 5
2. write the applications of refractories in various industries. 5
6. Describe thermal shock resistance & abrasion resistance of basic refractory 10

i)Write an explanatory note on Permanent Linear Change on Reheating. 5

1. Illustrate with neat sketch Pyrometric Cone Equivalent. 5
8. Describe the refractories used in glass tank furnace with neat diagram 10
1. List the refractories used in rotary kiln. 5
2. Draw coke oven furnace and label the refractories used in lining. 5
1. Explain the installation of ramming refractories in kiln construction. 5
2. Compare air setting and heat setting mortars. 5

For detail syllabus of all other subjects of BE Ceramics, C15 scheme do visit Ceramics 4th Sem syllabus for C15 scheme.

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