Applied Science Chemistry All Unit & Topic Wise Names & Marks -MSBTE Solution

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22202 [ACH] Applied Science (Chemistry) Chapters/Units Name, Marks

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Sr.No.	Chapters/Unit Name	Weightage
Unit 4	[Metals Alloys, Cement and refractory Materials] Topics and Sub-topics:- 1. Metallurgy: Mineral, ore, gangue, flux,slag 2. Types of furnace: Muffle furnace, Blastfurnace 3. Extraction processes of Haematite, Refractory chemical reaction copper pyrite ores: Crushing,refining' 4. Properties of iron and copper: making the given alloy. Hardness, tensile strength, toughness,fatigue resistance specific gravity, specific heat, brazing, castability, stiffness 5. Preparation of alloys (Fusion and compression method) 6. Ferrous alloys: Low carbon, medium carbon, high carbon steels 7. Non-ferrous alloy: Brass, Bronze,Duralumin, Tinman Solder, Woods metal. 8. Cement: Types; Biocement and Portland cement; constituents, setting and hardening, applications 9. Lime: classification, constituents, setting and hardening, applications 10. Refractory material: Types, properties	12 Marks
Unit 5	[Water treatment] Topics and Sub-topics:- 1. Hardness; Classification 2. Hard water in boilers and prevention: Boiler corrosion, caustic embrittlement, priming and foaming, scales and sludges. 3. Water softening: lime soda process (hot lime soda and cold lime soda process), zeolite process, ion exchange process (cation exchange and anion exchange) 4. Potable water treatment Sedimentation, coagulation, filtration and sterilization. 5. Waste water treatment: sewage treatment, BOD and COD of sewage water; Reverse Osmosis, recycling of waste water.	11 Marks
Unit 6	[Fuels and Combustion] Topics and Sub-topics:- 1. Fuel: Calorific value and ignition temperature, classification. 2. Solid fuels: Coal. Classification and composition . proximate analysis. Ultimate analysis. Bomb calorimeter. Carbonization ofcoke by Otto Hofrnann’s oven, 3. Liquid fuels: Fractional distillation of crude petroleum, boiling range, composition, properties Knocking, cracking, octane number and cetane number. 4. Gaseous fuels: Biogas. LPG. and CNG Combustion equation of gaseous fuels, mass and volume of air required for complete combustion.	12 Marks

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