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CY2111 Engineering Chemistry I - 2012 Important Questions

Anna University
(Applicable to all Engineering Colleges in Tamil Nadu affiliated to Anna University )

Common to affiliated colleges of :
Anna university Chennai
Anna university Coimbatore
Anna University Tiruchirappalli
Anna university Tirunelveli
Anna university Madurai

Regulation : 2008 / 2010
Department : Common to all B.E. / B.Tech. Degree Programmes except B.E. – Marine Engineering
Year : 2nd Year
Semester : 1st Sem
Subject Code : CY2111
Subject Name : Engineering Chemistry I
Content : 2010 Important Questions - These Questions are repeated University questions obtained by referring previous year Question paper.

Unit 1
1. Describe the principle and method involved in the determination of different types and amount of alkalinity of water.
2. What is reverse osmosis ? How will you purify the sea water by reverse osmosis ? Mention its advantages and disadvantages.
3. What is secondary reference electrode ? Explain the construction and working of Calomel electrodes in detail.
4. Explain how demineralization of water is done in water technology?
5. Derive Nernst Equation. Explain the various terms involved and mention its application.
6. Describe the principle and estimation of total hardness by EDTA method.

Unit II
1.State and Explain the various factors that influence the rate of corrosion.
2.What are synthetic rubbers ? Discuss the synthesis and uses of SBE & Butyl rubber.
3.How are following polymers prepared ? Give the properties and uses.
(1) PVC
(2) Ploycarbonate
(3) Polyurethane
(4) Teflon
(5) Nylon 6:6
(6) PET

4. What is electroless plating ? Explain in detail about electroless nickel plating.
5.Explain in detail about FRP with neat diagram.

Unit III

1.Differentiate between physisorption and chemisorptions.
2.Explain the various types of absorption isotherms.
3. Describe the Otto – Hoffmann method of coke manufacture and recovery of various by products.
4. How the flue gas analysis is carried out ? Explain with neat diagram.
5. Describe the manufacture of gasoline by Fischer – Tropsch method.
6. How is water gas manufactured. Give the chemical reactions taking place in different zones.

Unit IV
1. What is the thermal analysis. Draw the cooling curves of a pure substance and a mixture and discuss in detail.
2. Explain in detail about Lead – Silver eutectic system with phase diagram and explain its application and features.
3. State the phase rule. Explain the terms involved in detail with examples.
4. Explain in detail about
(1)solar cells
(2)lithium batteries.

5.What are the components of a nuclear reactor ? Explain each component in detail.\

Unit V
1. Explain in detail about the working of UV – visible spectrometer with a neat diagram.
2. What are abrasives ? Explain the classifications of abrasives with suitable examples.
3. Elaborate the working of IR spectroscopy with neat diagram and mentions its application.
4. What are refractories? Explain the classification of refractories on the basis of chemical composition with suitable examples.
5. What are the characteristics of a good refractory ? Write a note on Carborundum and Norbide.

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