My Profile
Active Members
TodayLast 7 Days
more...
Awards & Gifts
Online Exams
Fresher Jobs
Our fresher job section is exclusively for fresh graduates! Find jobs for freshers in major Indian
cities including Bangalore, Chennai, Hyderabad, Pune or Kochi
Resources
Find educational articles, blogs, discussion threads and other resources.
Colleges
Find details about any college in India or search for courses.
|
Download Model question papers & previous years question papers
|
Posted By: Lenin Member Level: Diamond Posted Date: 30 May 2008
|
2007 Anna University B.E CY1X01 ENGINEERING CHEMISTRY Question paper
ANNA UNIVERSITY CHENNAI :: CHENNAI - 600 025
B.E / B.TECH. DEGREE EXAMINATIONS - I YEAR ANNUAL PATTERN
MODEL QUESTION PAPER
CY1X01 ENGINEERING CHEMISTRY
(Common to all Branches of Engineering and Technology)
Regulation 2004
Time 3 Hours
Answer all the Questions
Part A (10 x 2 = 20 Marks)
Max Marks: 100
1. What are abrasive? Name any three natural and artificial abrasives.
2. What are solid lubricants? Name any four solid lubricants.
3. State phase rule. Explain the terms involved in it.
4. State the limitations of phase rule.
5. What is electrochemical series?
6. What is meant by anodizing? Mention two application of anodizing.
7. What is boiler scale? How it is removed?
8. Distinguish between nuclear fission and fusion.
9. What are fuels? How they are classified?
10. Explain Beer-Lamberts law.
Part B (16 x 5 = 80 Marks)
11.a). i. Explain Mohr's scale of hardness and describe the classification of abrasives
with suitable examples. 8
ii. Describe with a neat sketch, the process of compression moldings.
How do you compare the technique with injection molding. 8
OR
b). i. What is pitting corrosion? Explain the mechanism of chemical and
electrochemical corrosion. 8
ii. How is coke manufactured by Otto-Hoffman process? 4
iii. How is petrol manufactured by Fischer -Tropsch's method? 4
12.a). i. Draw the phase diagram of (Pb-Ag) system forming eutectic alloy and
label all the phases in the diagram. 8
ii. What is meant by phase diagram? With help of phase diagram explain
the following terms (i) triple point (ii) eutectic point. 8
OR
b). i. Explain the following in the phase diagram for ice-water-water vapour system.
(1)Bivariant system (2) Univariant system (3) Invariant system 8
ii. State the different varieties of brasses and bronze and give their engineering
properties and applications. 8
13.a). i. Explain (i) pitting corrosion (ii) stress corrosion
ii. What is cathodic protection? How it is done by using impressed current and
sacrificial anode? Explain with suitable example. 8
OR
b). i. What are Paints? What are their characteristics?
paints and water repellent paints? What are fire retardant 8
ii. Bring out the difference between paints and varnishes and explain the
mechanism of drying of paint. 8
14.a). i. Distinguish between hard water and soft water. Describe how the temporary
and permanent hardness of water determined by EDTA titration. 8
ii. What are boiler troubles? How can scale formation be prevented by
calgon conditioning? Describe. 8
OR
b) i. Distinguish between softening and demineralization of water. Name any
two methods of demineralization of water and explain one briefly. 8
ii. Define the term desalination. Describe with a neat diagram desalination by
reverse osmosis process. 8
15) a) i.Describe the manufacture of producer gas? Mention its applications. 8
ii.Define the terms octane number and cetane number. 4
iii.Discuss the anti knocking agents used for petrol. 4
OR
b) i.Describe flue gas analysis by Orsat's apparatus. 8
ii.Differentiate between IR and UV spectrum. 3
iii.Write about the principle and application of flame photometry. 5
Return to question paper search
|
|
|
Submit Previous Years University Question Papers and make money from adsense revenue sharing program
Are you preparing for a university examination? Download model question papers
and practise before you write the exam.
|
Watch TV Channels
|