Are you searching Kannur University Question Papers? Here You can find Engineering Chemistry Question Paper
Combined I and II Sem. B.Tech. Engineering=Regular/Supplementary Degr Examination, April Z0l0
2K6 EN 103: ENGINEBRING CHEMISTRY
Time : 3 Hours Max. Marks:
Instructions : Answer all questions.
Draw neat sketches wherever necessarv.
I. a) Explain solid and gas phase condensation.
b) write a note on boundary (thin-film) lubrication.
c) Define EMF of a cell. What will be the emf of the cell atZ5oC ?
Zn I Zn2*(0.001 M) ll Fet* (0.005 M) | Fe. Given that Eo rn* / zn: _ 0.76V and Eor"'*, F" : - 0'44 v'
d) Derive Henderson-Hasselbatch equation for pH.
e) Write a note on pitting corrosion.
0 Explain anodizing ofaluminium.
g) what is reforming ? Give reformation reactions.
h) Discuss the sources and harmful effects of So, pollution.
II. a) i) Explain the following :
I ) Bulk polymerization 2) Suspension polymeri zation.
ii) Give the synthesis and uses of :
l) PVC 2) Kevlar 3) Thiokols.
OR
b) i) Explain free radical mechanism ofaddition polymerization taking ethylene as example.
6
ii) Explain the synthesis and applications of :
l) PMMA 2) Nylon 66 3) Neoprene
P.T.O.
M t736r ilffiilffimffiffim|l||
m. a) i) Define standard electrode potential. Derive Nernst equation for elecfrode
Potential.
il) Mention the advantages of fuel cells. Explain the construction and working
of Ft, - 02 fuel cell. Give its uses.
OR
b) i) Describe the experimental method of determination ofpH using glass
elecffode. 5
ii) Give the construction and working of Ni - Cd battery. Mention its
applications.
iii) Wnte a note on Lowry-Bronsted concepts of acid and bases.
IV. a) i) Write a notes on :
1) Galvanic corrosion 2) Pitting cotrosion.
ii) What is anodizing? Explain anodizingofaluminium.
iii) Mention the functions of pigments and driers in a paint.
OR
b) i) Explain the following factors that affecting the rate of corrosion :
1) Relative areas of anode and cathode
2) Nature of corrosion product
3) Temperature.
ii) Explain the following :
1) Cathodic protection 2) Tinning.
V. a) r) Derive the experimental method of determination of calorific value of a solid
fuel using bomb calorimeter.
ii) Write a note on essential requirement ofboiler feed water,
iii) Explain the sources of water pollution.
OR
b) i) What is octane number ? Explain the mechanism of knocking in IC engine. 6
ii) Write a note on natural gas. 5
iii) Distinguish between internal conditioning and extemal conditioning methods
of boiler feed water. 4
Combined I and II Sem. B.Tech. Engineering=Regular/Supplementary Degr Examination, April Z0l0
2K6 EN 103: ENGINEBRING CHEMISTRY
Time : 3 Hours Max. Marks:
Instructions : Answer all questions.
Draw neat sketches wherever necessarv.
I. a) Explain solid and gas phase condensation.
b) write a note on boundary (thin-film) lubrication.
c) Define EMF of a cell. What will be the emf of the cell atZ5oC ?
Zn I Zn2*(0.001 M) ll Fet* (0.005 M) | Fe. Given that Eo rn* / zn: _ 0.76V and Eor"'*, F" : - 0'44 v'
d) Derive Henderson-Hasselbatch equation for pH.
e) Write a note on pitting corrosion.
0 Explain anodizing ofaluminium.
g) what is reforming ? Give reformation reactions.
h) Discuss the sources and harmful effects of So, pollution.
II. a) i) Explain the following :
I ) Bulk polymerization 2) Suspension polymeri zation.
ii) Give the synthesis and uses of :
l) PVC 2) Kevlar 3) Thiokols.
OR
b) i) Explain free radical mechanism ofaddition polymerization taking ethylene as example.
6
ii) Explain the synthesis and applications of :
l) PMMA 2) Nylon 66 3) Neoprene
P.T.O.
M t736r ilffiilffimffiffim|l||
m. a) i) Define standard electrode potential. Derive Nernst equation for elecfrode
Potential.
il) Mention the advantages of fuel cells. Explain the construction and working
of Ft, - 02 fuel cell. Give its uses.
OR
b) i) Describe the experimental method of determination ofpH using glass
elecffode. 5
ii) Give the construction and working of Ni - Cd battery. Mention its
applications.
iii) Wnte a note on Lowry-Bronsted concepts of acid and bases.
IV. a) i) Write a notes on :
1) Galvanic corrosion 2) Pitting cotrosion.
ii) What is anodizing? Explain anodizingofaluminium.
iii) Mention the functions of pigments and driers in a paint.
OR
b) i) Explain the following factors that affecting the rate of corrosion :
1) Relative areas of anode and cathode
2) Nature of corrosion product
3) Temperature.
ii) Explain the following :
1) Cathodic protection 2) Tinning.
V. a) r) Derive the experimental method of determination of calorific value of a solid
fuel using bomb calorimeter.
ii) Write a note on essential requirement ofboiler feed water,
iii) Explain the sources of water pollution.
OR
b) i) What is octane number ? Explain the mechanism of knocking in IC engine. 6
ii) Write a note on natural gas. 5
iii) Distinguish between internal conditioning and extemal conditioning methods
of boiler feed water. 4
0 comments:
Pen down your valuable important comments below