2010 Jawaharlal Nehru Technological University, Hyderabad Code No: 09A1BS03 R09 Set No. 3 I B.Tech Regular Examinations,JUNE 2010 ENGINEERING CHEMISTRY Question paper
Code No: 09A1BS03 R09 Set No. 3
I B.Tech Regular Examinations,JUNE 2010
ENGINEERING CHEMISTRY
Common to CE, ME, CHEM, BME, IT, MECT, MEP, AE, BT, AME, ICE,
E.COMP.E, MMT, ETM, EIE, CSE, ECE, EEE
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
1. (a) What are fuels? How are they classi ed? What are the advantages of gaseous
fuels?
(b) Give an account of the anlysis of coal by ultimate analysis and its signi cance.
[7+8]
2. (a) How are metals protected by impressed current method?
(b) Explain the galvanisation and tinning processes of metals. [6+9]
3. Di erentiate the following with suitable examples:-
(a) Polymer from monomer
(b) Homo polymer from co-polymer
(c) Step growth polymerization from chain polymersation. [5+4+6]
4. (a) De ne the terms speci c, equivalent and molar conductivities. How do they
vary with dilution.
(b) Calculate the cell constant of a cell having a solution of concentration N/30
gm. equiv/litre of an electrolyte which showed the equivalent conductance of
120 Mhoscm2 gm equiv??1: [8+7]
5. (a) Explain the various reasons for failure of a refractory material.
(b) Di erentiate refractories from insulators. [7+8]
6. (a) Write a note on complexometric titrations used for estimation of hardness of
water by EDTA.
(b) Explain the process of electrodialysis. [8+7]
7. Explain how iron-carbon phase diagram provides information about the formation
of di erent phases in iron-carbide system. [15]
8. What are fullerenes? Present an account of applications of fullerenes. [15]
KEYWORDS:JNTU ENGINEERING CHEMISTRY,JNTU ENGINEERING CHEMISTRY QUESTION PAPER,JNTU,JNTU QUESTION PAPER,JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD REGULAR EXAMINATIONS JUNE JNTU ENGINEERING CHEMISTRY
Code No: 09A1BS03 R09 Set No. 3
I B.Tech Regular Examinations,JUNE 2010
ENGINEERING CHEMISTRY
Common to CE, ME, CHEM, BME, IT, MECT, MEP, AE, BT, AME, ICE,
E.COMP.E, MMT, ETM, EIE, CSE, ECE, EEE
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
1. (a) What are fuels? How are they classi ed? What are the advantages of gaseous
fuels?
(b) Give an account of the anlysis of coal by ultimate analysis and its signi cance.
[7+8]
2. (a) How are metals protected by impressed current method?
(b) Explain the galvanisation and tinning processes of metals. [6+9]
3. Di erentiate the following with suitable examples:-
(a) Polymer from monomer
(b) Homo polymer from co-polymer
(c) Step growth polymerization from chain polymersation. [5+4+6]
4. (a) De ne the terms speci c, equivalent and molar conductivities. How do they
vary with dilution.
(b) Calculate the cell constant of a cell having a solution of concentration N/30
gm. equiv/litre of an electrolyte which showed the equivalent conductance of
120 Mhoscm2 gm equiv??1: [8+7]
5. (a) Explain the various reasons for failure of a refractory material.
(b) Di erentiate refractories from insulators. [7+8]
6. (a) Write a note on complexometric titrations used for estimation of hardness of
water by EDTA.
(b) Explain the process of electrodialysis. [8+7]
7. Explain how iron-carbon phase diagram provides information about the formation
of di erent phases in iron-carbide system. [15]
8. What are fullerenes? Present an account of applications of fullerenes. [15]
KEYWORDS:JNTU ENGINEERING CHEMISTRY,JNTU ENGINEERING CHEMISTRY QUESTION PAPER,JNTU,JNTU QUESTION PAPER,JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD REGULAR EXAMINATIONS JUNE JNTU ENGINEERING CHEMISTRY