Monday, November 16, 2015

APPLIED SCIENCE – II (Chemistry),2014 Question Paper,University Of Pune Question Paper,F.E. (Semester – II)

University Of Pune Question Paper F.E. (Semester – II) Examination, 2014 APPLIED SCIENCE – II (Chemistry) (Old) (2008 Course) Time : 2 Hours Max. Marks : 50 Instructions : 1) Solve Q.1 or Q.2, Q.3 or Q.4, Q.5 or Q.6. 2) Neat diagram must be drawn wherever necessary. 3) Figures to the right indicate full marks. 4) Assume suitable data, if necessary. 1. A) Define calorific value of fuel. How it can be determined using Bomb Calorimeter ? 7 B) Write a note on Bio-diesel, mentioning its preparation reaction, merits and demerits. 6 C) One gram coal sample was burnt in oxygen. Carbon dioxide was absorbed in KOH and water-vapour in CaCl2. The increase in weight of KOH and CaCl2 was 2.05 and 0.55 gm respectively. Determine the % C and % H in the sample. 4 OR 2. A) Explain the process of refining of petroleum with diagram. Give composition, boiling range and use of any three fractions obtained. 7 B) Define the term knocking. Explain octane number and cetane number of fuel. 6 C) Volumetric analysis of producer gas is H2 = 25%, CO = 20%, N2 = 40%, CH4 = 2%, CO2 = 13% . Find the volume of air required for complete combustion of 1m3 of gas. 4 3. A) What is electrochemical corrosion ? Explain its mechanism by hydrogen evolution and oxygen absorption. 7 B) Describe cathodic protection methods to prevent corrosion. 6 C) What is metallic coating ? Which coating is better anodic or cathodic ? Explain. 4 OR 4. A) Define corrosion. Explain dry corrosion due to oxygen. Explain with examples how nature of oxide film affects corrosion. 7 B) Discuss various factors affecting the rate of corrosion, w.r.t. nature of metal and environment. 6 C) Write a note on electroplating. 4 5. A) What are scale and sludges ? Give their formation, disadvantage and preventive measures in boiler. 6 B) State Gibb’s phase rule. Define the terms involved in it with examples. 6 C) 100 ml of water sample requires 4 ml of N/50 H2SO4 up to phenolphthalein end point and 20 ml for complete neutralization. Find the type and amount of alkalinity in the water sample. 4 OR 6. A) Draw and explain phase diagram of water system with respect to areas, curves and triple point. 6 B) Explain the Zeolite method of water softening with figure, process, reaction and advantages. 6 C) Write a note on caustic embrittlement. 4 —————— B

Duraimani

B.E Civil Engineer Graduated from Government College of Engineering Tirunelveli in the year 2016. She has developed this website for the welfare of students community not only for students under Anna University Chennai, but for all universities located in India. That's why her website is named as www.IndianUniversityQuestionPapers.com . If you don't find any study materials that you are looking for, you may intimate her through contact page of this website to know her so that it will be useful for providing them as early as possible. You can also share your own study materials and it can be published in this website after verification and reviewing. Thank you!