Download JNTUK (Jawaharlal Nehru Technological University Kakinada) B.Tech Supplementary 2013 Oct-Nov R10 I Semester (1st Year 1st Sem) ENGINEERING CHEMISTRY I Question Paper.
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING CHEMISTRY-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Automobile Engineering, Mining and Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) What is Joule Thomson coecient and why it is zero for an ideal gas?
(b) What is meant by solubility product of a sparingly soluble salt? How is solu-
bility product determined by conductivity measurements? [8+7]
2. (a) Write notes on (i) contact catalysis (ii) catalytic poisons (iii) Tyndall e ect
(iv) electro-osmosis
(b) What are the important applications of colloidal science. [8+7]
3. (a) What is meant by interference and what are the interferences observed during
working with ion selective electrodes.
(b) Discuss important di erences between photochemical and thermo chemical
reactions? [8+7]
4. (a) State and explain the following (i) Stoichiometric semiconducting materials
(ii)Controlled valency semiconducting materials
(b) Write short note on the following (i)COMPACT DISK (ii) PEN DRIVE [7+8]
5. Write a Short note on the following
(a) Fuels
(b) Pulverised coal
(c) classi cation of fuels [15]
6. (a)Write a shot note on calomel electrode?
(b) Distinguish between a galvanic cell and concentration cell? [8+7]
7. Write notes on the following:
(a) Nuclear Stability
(b) Mass Defect
(c) Binding Energy [5+5+5]
8. (a) Explain the advantages and disadvantages of solar energy.
FirstRanker.com - FirstRanker's Choice
Code No: R10104/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING CHEMISTRY-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Automobile Engineering, Mining and Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) What is Joule Thomson coecient and why it is zero for an ideal gas?
(b) What is meant by solubility product of a sparingly soluble salt? How is solu-
bility product determined by conductivity measurements? [8+7]
2. (a) Write notes on (i) contact catalysis (ii) catalytic poisons (iii) Tyndall e ect
(iv) electro-osmosis
(b) What are the important applications of colloidal science. [8+7]
3. (a) What is meant by interference and what are the interferences observed during
working with ion selective electrodes.
(b) Discuss important di erences between photochemical and thermo chemical
reactions? [8+7]
4. (a) State and explain the following (i) Stoichiometric semiconducting materials
(ii)Controlled valency semiconducting materials
(b) Write short note on the following (i)COMPACT DISK (ii) PEN DRIVE [7+8]
5. Write a Short note on the following
(a) Fuels
(b) Pulverised coal
(c) classi cation of fuels [15]
6. (a)Write a shot note on calomel electrode?
(b) Distinguish between a galvanic cell and concentration cell? [8+7]
7. Write notes on the following:
(a) Nuclear Stability
(b) Mass Defect
(c) Binding Energy [5+5+5]
8. (a) Explain the advantages and disadvantages of solar energy.
Code No: R10104/R10 Set No. 1
(b) What is the di erence between green house e ect and global warming? How
global warming can be prevented by growing plants? [7+8]
?????
FirstRanker.com - FirstRanker's Choice
Code No: R10104/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING CHEMISTRY-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Automobile Engineering, Mining and Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) What is Joule Thomson coecient and why it is zero for an ideal gas?
(b) What is meant by solubility product of a sparingly soluble salt? How is solu-
bility product determined by conductivity measurements? [8+7]
2. (a) Write notes on (i) contact catalysis (ii) catalytic poisons (iii) Tyndall e ect
(iv) electro-osmosis
(b) What are the important applications of colloidal science. [8+7]
3. (a) What is meant by interference and what are the interferences observed during
working with ion selective electrodes.
(b) Discuss important di erences between photochemical and thermo chemical
reactions? [8+7]
4. (a) State and explain the following (i) Stoichiometric semiconducting materials
(ii)Controlled valency semiconducting materials
(b) Write short note on the following (i)COMPACT DISK (ii) PEN DRIVE [7+8]
5. Write a Short note on the following
(a) Fuels
(b) Pulverised coal
(c) classi cation of fuels [15]
6. (a)Write a shot note on calomel electrode?
(b) Distinguish between a galvanic cell and concentration cell? [8+7]
7. Write notes on the following:
(a) Nuclear Stability
(b) Mass Defect
(c) Binding Energy [5+5+5]
8. (a) Explain the advantages and disadvantages of solar energy.
Code No: R10104/R10 Set No. 1
(b) What is the di erence between green house e ect and global warming? How
global warming can be prevented by growing plants? [7+8]
?????
Code No: R10104/R10 Set No. 2
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING CHEMISTRY-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Automobile Engineering, Mining and Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Brie y explain how air-conditioning di ers from refrigeration.
(b) What are the advantages of reverse osmosis process of purifying brackish wa-
ter? [8+7]
2. (a) Explain the following terms. I. Auto-catalysis II. Positive catalyst III. Nega-
tive catalyst IV. Catalytic poison
(b) What is catalysis? Write down the important characteristics of catalyst. [8+7]
3. (a) What is the essential feature of nuclei to show NMR signal?
(b) Outline the industrial applications of Chemiluminescence.
(c) What are the engineering applications of sensors and bio-sensors? [5+5+5]
4. (a) Write an essay on smectic liquid crystals?
(b) Explain phenomenon of superconductivity. [10+5]
5. (a)Why is peat not considered as an economical fuel.
(b) Di erentiate between coal and coke. [7+8]
6. (a)What is emf. write a note on Redox reactions.
(b) What are the di erences between oxidation & reduction half reactions? [7+8]
7. (a) What is a nuclear ssion reaction? Give one example.
(b) Write its any six characteristic properties. [8+7]
8. (a) Explain the advantages and disadvantages of solar energy.
(b) What is the di erence between green house e ect and global warming? How
global warming can be prevented by growing plants? [7+8]
?????
FirstRanker.com - FirstRanker's Choice
Code No: R10104/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING CHEMISTRY-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Automobile Engineering, Mining and Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) What is Joule Thomson coecient and why it is zero for an ideal gas?
(b) What is meant by solubility product of a sparingly soluble salt? How is solu-
bility product determined by conductivity measurements? [8+7]
2. (a) Write notes on (i) contact catalysis (ii) catalytic poisons (iii) Tyndall e ect
(iv) electro-osmosis
(b) What are the important applications of colloidal science. [8+7]
3. (a) What is meant by interference and what are the interferences observed during
working with ion selective electrodes.
(b) Discuss important di erences between photochemical and thermo chemical
reactions? [8+7]
4. (a) State and explain the following (i) Stoichiometric semiconducting materials
(ii)Controlled valency semiconducting materials
(b) Write short note on the following (i)COMPACT DISK (ii) PEN DRIVE [7+8]
5. Write a Short note on the following
(a) Fuels
(b) Pulverised coal
(c) classi cation of fuels [15]
6. (a)Write a shot note on calomel electrode?
(b) Distinguish between a galvanic cell and concentration cell? [8+7]
7. Write notes on the following:
(a) Nuclear Stability
(b) Mass Defect
(c) Binding Energy [5+5+5]
8. (a) Explain the advantages and disadvantages of solar energy.
Code No: R10104/R10 Set No. 1
(b) What is the di erence between green house e ect and global warming? How
global warming can be prevented by growing plants? [7+8]
?????
Code No: R10104/R10 Set No. 2
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING CHEMISTRY-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Automobile Engineering, Mining and Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Brie y explain how air-conditioning di ers from refrigeration.
(b) What are the advantages of reverse osmosis process of purifying brackish wa-
ter? [8+7]
2. (a) Explain the following terms. I. Auto-catalysis II. Positive catalyst III. Nega-
tive catalyst IV. Catalytic poison
(b) What is catalysis? Write down the important characteristics of catalyst. [8+7]
3. (a) What is the essential feature of nuclei to show NMR signal?
(b) Outline the industrial applications of Chemiluminescence.
(c) What are the engineering applications of sensors and bio-sensors? [5+5+5]
4. (a) Write an essay on smectic liquid crystals?
(b) Explain phenomenon of superconductivity. [10+5]
5. (a)Why is peat not considered as an economical fuel.
(b) Di erentiate between coal and coke. [7+8]
6. (a)What is emf. write a note on Redox reactions.
(b) What are the di erences between oxidation & reduction half reactions? [7+8]
7. (a) What is a nuclear ssion reaction? Give one example.
(b) Write its any six characteristic properties. [8+7]
8. (a) Explain the advantages and disadvantages of solar energy.
(b) What is the di erence between green house e ect and global warming? How
global warming can be prevented by growing plants? [7+8]
?????
Code No: R10104/R10 Set No. 3
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING CHEMISTRY-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Automobile Engineering, Mining and Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Discuss the e ect of pressure on the following reactions1
i. H
2
+ I
2
! 2HI
ii. PCl
5
!PCl
3
+ Cl
2
(b) What are the catalysts used for the production of ammonia and sulphuricacid.
[8+7]
2. (a) De ne the following terms. I. catalyst II. Co-catalyst III. Negative catalyst
(b) State and explain homogeneous catalysis with any three examples. [8+7]
3. Explain in brief about the following (i) Fluorescence (ii) Phosphorescence (iii)
Chemiluminescence [5+5+5]
4. (a) Write an essay on smectic liquid crystals?
(b) Explain phenomenon of superconductivity. [10+5]
5. (a)Write a note on Otto Ho mans by { product oven process?
(b) Mention the Recovery of bye { products in the above process? [8+7]
6. (a)Write a short note on standard electrode potential?
(b) Derive Nernst equation for standard electrode potential? [7+8]
7. (a) What is radioactive pollution? Describe di erent methods of disposal of ra-
dioactive wastes.
(b) How can a nuclear reactor generates its own fuel from non- ssionable material
in Breeder reactor? Explain with an example. [8+7]
8. Write notes on the following:
(a) Solar Energy
(b) Solar Cell
(c) Solar Panel [5+5+5]
?????
FirstRanker.com - FirstRanker's Choice
Code No: R10104/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING CHEMISTRY-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Automobile Engineering, Mining and Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) What is Joule Thomson coecient and why it is zero for an ideal gas?
(b) What is meant by solubility product of a sparingly soluble salt? How is solu-
bility product determined by conductivity measurements? [8+7]
2. (a) Write notes on (i) contact catalysis (ii) catalytic poisons (iii) Tyndall e ect
(iv) electro-osmosis
(b) What are the important applications of colloidal science. [8+7]
3. (a) What is meant by interference and what are the interferences observed during
working with ion selective electrodes.
(b) Discuss important di erences between photochemical and thermo chemical
reactions? [8+7]
4. (a) State and explain the following (i) Stoichiometric semiconducting materials
(ii)Controlled valency semiconducting materials
(b) Write short note on the following (i)COMPACT DISK (ii) PEN DRIVE [7+8]
5. Write a Short note on the following
(a) Fuels
(b) Pulverised coal
(c) classi cation of fuels [15]
6. (a)Write a shot note on calomel electrode?
(b) Distinguish between a galvanic cell and concentration cell? [8+7]
7. Write notes on the following:
(a) Nuclear Stability
(b) Mass Defect
(c) Binding Energy [5+5+5]
8. (a) Explain the advantages and disadvantages of solar energy.
Code No: R10104/R10 Set No. 1
(b) What is the di erence between green house e ect and global warming? How
global warming can be prevented by growing plants? [7+8]
?????
Code No: R10104/R10 Set No. 2
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING CHEMISTRY-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Automobile Engineering, Mining and Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Brie y explain how air-conditioning di ers from refrigeration.
(b) What are the advantages of reverse osmosis process of purifying brackish wa-
ter? [8+7]
2. (a) Explain the following terms. I. Auto-catalysis II. Positive catalyst III. Nega-
tive catalyst IV. Catalytic poison
(b) What is catalysis? Write down the important characteristics of catalyst. [8+7]
3. (a) What is the essential feature of nuclei to show NMR signal?
(b) Outline the industrial applications of Chemiluminescence.
(c) What are the engineering applications of sensors and bio-sensors? [5+5+5]
4. (a) Write an essay on smectic liquid crystals?
(b) Explain phenomenon of superconductivity. [10+5]
5. (a)Why is peat not considered as an economical fuel.
(b) Di erentiate between coal and coke. [7+8]
6. (a)What is emf. write a note on Redox reactions.
(b) What are the di erences between oxidation & reduction half reactions? [7+8]
7. (a) What is a nuclear ssion reaction? Give one example.
(b) Write its any six characteristic properties. [8+7]
8. (a) Explain the advantages and disadvantages of solar energy.
(b) What is the di erence between green house e ect and global warming? How
global warming can be prevented by growing plants? [7+8]
?????
Code No: R10104/R10 Set No. 3
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING CHEMISTRY-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Automobile Engineering, Mining and Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) Discuss the e ect of pressure on the following reactions1
i. H
2
+ I
2
! 2HI
ii. PCl
5
!PCl
3
+ Cl
2
(b) What are the catalysts used for the production of ammonia and sulphuricacid.
[8+7]
2. (a) De ne the following terms. I. catalyst II. Co-catalyst III. Negative catalyst
(b) State and explain homogeneous catalysis with any three examples. [8+7]
3. Explain in brief about the following (i) Fluorescence (ii) Phosphorescence (iii)
Chemiluminescence [5+5+5]
4. (a) Write an essay on smectic liquid crystals?
(b) Explain phenomenon of superconductivity. [10+5]
5. (a)Write a note on Otto Ho mans by { product oven process?
(b) Mention the Recovery of bye { products in the above process? [8+7]
6. (a)Write a short note on standard electrode potential?
(b) Derive Nernst equation for standard electrode potential? [7+8]
7. (a) What is radioactive pollution? Describe di erent methods of disposal of ra-
dioactive wastes.
(b) How can a nuclear reactor generates its own fuel from non- ssionable material
in Breeder reactor? Explain with an example. [8+7]
8. Write notes on the following:
(a) Solar Energy
(b) Solar Cell
(c) Solar Panel [5+5+5]
?????
Code No: R10104/R10 Set No. 4
I B.Tech I Semester Supplementary Examinations, Oct/Nov 2013
ENGINEERING CHEMISTRY-I
( Common to Civil Engineering, Electrical & Electronics Engineering,
Mechanical Engineering, Electronics & Communication Engineering,
Computer Science & Engineering, Chemical Engineering, Electronics &
Instrumentation Engineering, Bio-Medical Engineering, Information
Technology, Electronics & Computer Engineering, Aeronautical
Engineering, Automobile Engineering, Mining and Petroliem Technology)
Time: 3 hours Max Marks: 75
Answer any FIVE Questions
All Questions carry equal marks
?????
1. (a) What is a semipermeable membrane? What are the di erent materials that
can be used for semipermeable membranes?
(b) Why there is a decrease in temperature of a real gas when it undergoes ex-
pansion through a porous plug? [8+7]
2. (a) De ne the term viscosity? What are its units?
(b) Explain the various factors a ecting viscosity? [8+7]
3. (a) What are biosensors? Discuss in detail the applications of biosensors in various
elds.
(b) Discuss ion-selective electrodes in detail and outline the interferences during
their working [8+7]
4. (a) Write an essay on stoichiometric and non stoichiometric semiconductors
(b) Explain the synthesis of 1:2:3 type super conductor [7+8]
5. (a) What are the di erences between High calori c value & net calori c values
of fuels?
(b) 0.945g of fuel on complete combustion in excess of oxygen increased the tem-
perature of water in a calorimeter from 13.25 to 19.2
0
C. The mass of water in
calorimeter was found to be 1.458g. Calculate the gross calori c value of the
fuel, if the water equivalent of calorimeter is 144g. [8+7]
6. (a)Write the di erent types of fuel cells?
(b) Write down the characteristics of fuel cells? [8+7]
7. (a) Explain how nuclear ssion reaction can be a chain reaction.
(b) Distinguish nuclear ssion and nuclear fusion reactions. [8+7]
8. (a) What is solar energy? How is it harnessed?
(b) How does solar energy can be converted into electricity? [7+8]
?????
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This post was last modified on 03 December 2019