Download JNTU Kakinada B.Tech 1-1 2014 Feb R10 ENGINEERING CHEMISTRY I Question Paper

Download JNTUK (Jawaharlal Nehru Technological University Kakinada) B.Tech Supplementary 2014 Feb-March R10 I Semester (1st Year 1st Sem) ENGINEERING CHEMISTRY I Question Paper.

Code No: R10104/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Feb/Mar 2014
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) Apply the concept of solubility product for di erent types of salts and derive
expressions for the same.
(b) Calculate the solubility of BaSO
4
provided, its solubility product is 1.6x10
10
.
[8+7]
2. (a) The time of ow for certain volume of water through a viscometer is 120.5
sec. whereas the time of ow for the same volume of acetone is 49.5 sec.
The densities of water and acetone at 293K are 9.982 X 10
2
Kg.m
3
and 7.92
Kg.m
3
respectively. If the viscosity of water at 293K is 10.05 Pascal, calculate
the viscosity of acetone.
(b) Explain the uses of dialysis and ultra ltration in the puri cation of colloidal
solutions. [8+7]
3. Write short notes on the following
(a) Biosensors
(b) Ion-selective electrodes
(c) Basic Principle involved in
1
H-NMR Spectroscopy [5+5+5]
4. (a) Explain the principle of photocopying process by using selenium photocon-
ductor
(b) What are the important features of
(i) Stoichiometric semiconducting materials and
(ii)Controlled valency semiconducting materials? [7+8]
5. (a) Explain the determination & importance of Percentage of carbon and Hydro-
gen in ultimate Analysis
(b) Discuss the working of bomb calorimeter ? [7+8]
6. (a) Write the di erent types of fuel cells?
(b) Write down the characteristics of fuel cells? [8+7]
7. (a) What are Mass defect and Binding energy?
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Code No: R10104/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Feb/Mar 2014
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) Apply the concept of solubility product for di erent types of salts and derive
expressions for the same.
(b) Calculate the solubility of BaSO
4
provided, its solubility product is 1.6x10
10
.
[8+7]
2. (a) The time of ow for certain volume of water through a viscometer is 120.5
sec. whereas the time of ow for the same volume of acetone is 49.5 sec.
The densities of water and acetone at 293K are 9.982 X 10
2
Kg.m
3
and 7.92
Kg.m
3
respectively. If the viscosity of water at 293K is 10.05 Pascal, calculate
the viscosity of acetone.
(b) Explain the uses of dialysis and ultra ltration in the puri cation of colloidal
solutions. [8+7]
3. Write short notes on the following
(a) Biosensors
(b) Ion-selective electrodes
(c) Basic Principle involved in
1
H-NMR Spectroscopy [5+5+5]
4. (a) Explain the principle of photocopying process by using selenium photocon-
ductor
(b) What are the important features of
(i) Stoichiometric semiconducting materials and
(ii)Controlled valency semiconducting materials? [7+8]
5. (a) Explain the determination & importance of Percentage of carbon and Hydro-
gen in ultimate Analysis
(b) Discuss the working of bomb calorimeter ? [7+8]
6. (a) Write the di erent types of fuel cells?
(b) Write down the characteristics of fuel cells? [8+7]
7. (a) What are Mass defect and Binding energy?
1 of 2
Code No: R10104/R10 Set No. 1
(b) Explain nuclear stability using Binding energy concept? [8+7]
8. (a) What gases cause enhanced green house e ect?
(b) What are its disadvantages? How can it be prevented? [7+8]
?????
2 of 2

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Code No: R10104/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Feb/Mar 2014
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) Apply the concept of solubility product for di erent types of salts and derive
expressions for the same.
(b) Calculate the solubility of BaSO
4
provided, its solubility product is 1.6x10
10
.
[8+7]
2. (a) The time of ow for certain volume of water through a viscometer is 120.5
sec. whereas the time of ow for the same volume of acetone is 49.5 sec.
The densities of water and acetone at 293K are 9.982 X 10
2
Kg.m
3
and 7.92
Kg.m
3
respectively. If the viscosity of water at 293K is 10.05 Pascal, calculate
the viscosity of acetone.
(b) Explain the uses of dialysis and ultra ltration in the puri cation of colloidal
solutions. [8+7]
3. Write short notes on the following
(a) Biosensors
(b) Ion-selective electrodes
(c) Basic Principle involved in
1
H-NMR Spectroscopy [5+5+5]
4. (a) Explain the principle of photocopying process by using selenium photocon-
ductor
(b) What are the important features of
(i) Stoichiometric semiconducting materials and
(ii)Controlled valency semiconducting materials? [7+8]
5. (a) Explain the determination & importance of Percentage of carbon and Hydro-
gen in ultimate Analysis
(b) Discuss the working of bomb calorimeter ? [7+8]
6. (a) Write the di erent types of fuel cells?
(b) Write down the characteristics of fuel cells? [8+7]
7. (a) What are Mass defect and Binding energy?
1 of 2
Code No: R10104/R10 Set No. 1
(b) Explain nuclear stability using Binding energy concept? [8+7]
8. (a) What gases cause enhanced green house e ect?
(b) What are its disadvantages? How can it be prevented? [7+8]
?????
2 of 2
Code No: R10104/R10 Set No. 2
I B.Tech I Semester Supplementary Examinations, Feb/Mar 2014
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) Explain the terms solubility product and common ion e ect.
(b) What are the applications of solubility product ? [8+7]
2. (a) Discuss on industrial applications of colloids.
(b) Discuss in detail the manufacture of ethyl alcohol from starch? [8+7]
3. (a) How can you estimate uoride, chloride and nitrate ions quantitatively using
ion-selective electrodes
(b) Explain Coupling constant in brief. [12+3]
4. (a) Write note on various types of semiconductors
(b) What is doping? Discuss di erent doping techniques to prepare semiconduc-
tors
(c) Explain phenomenon of superconductivity [5+7+3]
5. (a) Explain carbonization of coal?
(b) Di erentiate low - temperature and High temperature carbonization. [7+8]
6. (a) What is concentration cell? Explain with suitable example Derive the expres-
sion for emf of concentration cell?
(b) Write notes on calomel electrode [10+5]
7. (a) Where are the atomic power stations in India? Mention them.
(b) Describe the principle and working process of a nuclear power plant. [3+12]
8. (a) De ne solar constant. Give its value on the upper atmosphere and on the
lower atmosphere.
(b) How are solar energy devices are classi ed? Explain.
(c) What is the use of plane mirror of a box type of solar cooker? [5+5+5]
?????
1 of 1

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Code No: R10104/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Feb/Mar 2014
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) Apply the concept of solubility product for di erent types of salts and derive
expressions for the same.
(b) Calculate the solubility of BaSO
4
provided, its solubility product is 1.6x10
10
.
[8+7]
2. (a) The time of ow for certain volume of water through a viscometer is 120.5
sec. whereas the time of ow for the same volume of acetone is 49.5 sec.
The densities of water and acetone at 293K are 9.982 X 10
2
Kg.m
3
and 7.92
Kg.m
3
respectively. If the viscosity of water at 293K is 10.05 Pascal, calculate
the viscosity of acetone.
(b) Explain the uses of dialysis and ultra ltration in the puri cation of colloidal
solutions. [8+7]
3. Write short notes on the following
(a) Biosensors
(b) Ion-selective electrodes
(c) Basic Principle involved in
1
H-NMR Spectroscopy [5+5+5]
4. (a) Explain the principle of photocopying process by using selenium photocon-
ductor
(b) What are the important features of
(i) Stoichiometric semiconducting materials and
(ii)Controlled valency semiconducting materials? [7+8]
5. (a) Explain the determination & importance of Percentage of carbon and Hydro-
gen in ultimate Analysis
(b) Discuss the working of bomb calorimeter ? [7+8]
6. (a) Write the di erent types of fuel cells?
(b) Write down the characteristics of fuel cells? [8+7]
7. (a) What are Mass defect and Binding energy?
1 of 2
Code No: R10104/R10 Set No. 1
(b) Explain nuclear stability using Binding energy concept? [8+7]
8. (a) What gases cause enhanced green house e ect?
(b) What are its disadvantages? How can it be prevented? [7+8]
?????
2 of 2
Code No: R10104/R10 Set No. 2
I B.Tech I Semester Supplementary Examinations, Feb/Mar 2014
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) Explain the terms solubility product and common ion e ect.
(b) What are the applications of solubility product ? [8+7]
2. (a) Discuss on industrial applications of colloids.
(b) Discuss in detail the manufacture of ethyl alcohol from starch? [8+7]
3. (a) How can you estimate uoride, chloride and nitrate ions quantitatively using
ion-selective electrodes
(b) Explain Coupling constant in brief. [12+3]
4. (a) Write note on various types of semiconductors
(b) What is doping? Discuss di erent doping techniques to prepare semiconduc-
tors
(c) Explain phenomenon of superconductivity [5+7+3]
5. (a) Explain carbonization of coal?
(b) Di erentiate low - temperature and High temperature carbonization. [7+8]
6. (a) What is concentration cell? Explain with suitable example Derive the expres-
sion for emf of concentration cell?
(b) Write notes on calomel electrode [10+5]
7. (a) Where are the atomic power stations in India? Mention them.
(b) Describe the principle and working process of a nuclear power plant. [3+12]
8. (a) De ne solar constant. Give its value on the upper atmosphere and on the
lower atmosphere.
(b) How are solar energy devices are classi ed? Explain.
(c) What is the use of plane mirror of a box type of solar cooker? [5+5+5]
?????
1 of 1
Code No: R10104/R10 Set No. 3
I B.Tech I Semester Supplementary Examinations, Feb/Mar 2014
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 semi-permeable membrane? Mention di erent types with examples.
(b) What are the advantages, dis- advantages and limitations of reverse osmosis?
[8+7]
2. (a) What are the di erent classes of colloidal systems? Explain with examples
(b) Write about the important characteristics of enzymes. [8+7]
3. (a) Discuss ion-selective electrodes in detail and outline the interferences during
their working.
(b) What is the signi cance of Joblonski diagram in photochemistry? [9+6]
4. (a) What are smectic liquid crystals? How are they classi ed? Mention their
salient features
(b) Outline the various applications of superconductors [10+5]
5. (a) De ne Calori c value, Higher (or) Gross calori c value, lower (or) Net calori c
value?
(b) Calculate the gross & net Calori c value of a sample of coal having following
composition. C = 80% , H = 7% , O = 3% , S = 3.5% , N = 2.1% , and Ash
= 4.4% [8+7]
6. (a) Write a notes on fuel cell
(b) Discuss the working principle of primary batteries? [7+8]
7. Write short notes on the following:
(a) Nuclear ssion
(b) Nuclear Fusion
(c) Nuclear reactor [5+5+5]
8. (a) What is green house e ect? Explain.
(b) How it is useful to mankind? [8+7]
?????
1 of 1

FirstRanker.com - FirstRanker's Choice
Code No: R10104/R10 Set No. 1
I B.Tech I Semester Supplementary Examinations, Feb/Mar 2014
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) Apply the concept of solubility product for di erent types of salts and derive
expressions for the same.
(b) Calculate the solubility of BaSO
4
provided, its solubility product is 1.6x10
10
.
[8+7]
2. (a) The time of ow for certain volume of water through a viscometer is 120.5
sec. whereas the time of ow for the same volume of acetone is 49.5 sec.
The densities of water and acetone at 293K are 9.982 X 10
2
Kg.m
3
and 7.92
Kg.m
3
respectively. If the viscosity of water at 293K is 10.05 Pascal, calculate
the viscosity of acetone.
(b) Explain the uses of dialysis and ultra ltration in the puri cation of colloidal
solutions. [8+7]
3. Write short notes on the following
(a) Biosensors
(b) Ion-selective electrodes
(c) Basic Principle involved in
1
H-NMR Spectroscopy [5+5+5]
4. (a) Explain the principle of photocopying process by using selenium photocon-
ductor
(b) What are the important features of
(i) Stoichiometric semiconducting materials and
(ii)Controlled valency semiconducting materials? [7+8]
5. (a) Explain the determination & importance of Percentage of carbon and Hydro-
gen in ultimate Analysis
(b) Discuss the working of bomb calorimeter ? [7+8]
6. (a) Write the di erent types of fuel cells?
(b) Write down the characteristics of fuel cells? [8+7]
7. (a) What are Mass defect and Binding energy?
1 of 2
Code No: R10104/R10 Set No. 1
(b) Explain nuclear stability using Binding energy concept? [8+7]
8. (a) What gases cause enhanced green house e ect?
(b) What are its disadvantages? How can it be prevented? [7+8]
?????
2 of 2
Code No: R10104/R10 Set No. 2
I B.Tech I Semester Supplementary Examinations, Feb/Mar 2014
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) Explain the terms solubility product and common ion e ect.
(b) What are the applications of solubility product ? [8+7]
2. (a) Discuss on industrial applications of colloids.
(b) Discuss in detail the manufacture of ethyl alcohol from starch? [8+7]
3. (a) How can you estimate uoride, chloride and nitrate ions quantitatively using
ion-selective electrodes
(b) Explain Coupling constant in brief. [12+3]
4. (a) Write note on various types of semiconductors
(b) What is doping? Discuss di erent doping techniques to prepare semiconduc-
tors
(c) Explain phenomenon of superconductivity [5+7+3]
5. (a) Explain carbonization of coal?
(b) Di erentiate low - temperature and High temperature carbonization. [7+8]
6. (a) What is concentration cell? Explain with suitable example Derive the expres-
sion for emf of concentration cell?
(b) Write notes on calomel electrode [10+5]
7. (a) Where are the atomic power stations in India? Mention them.
(b) Describe the principle and working process of a nuclear power plant. [3+12]
8. (a) De ne solar constant. Give its value on the upper atmosphere and on the
lower atmosphere.
(b) How are solar energy devices are classi ed? Explain.
(c) What is the use of plane mirror of a box type of solar cooker? [5+5+5]
?????
1 of 1
Code No: R10104/R10 Set No. 3
I B.Tech I Semester Supplementary Examinations, Feb/Mar 2014
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 semi-permeable membrane? Mention di erent types with examples.
(b) What are the advantages, dis- advantages and limitations of reverse osmosis?
[8+7]
2. (a) What are the di erent classes of colloidal systems? Explain with examples
(b) Write about the important characteristics of enzymes. [8+7]
3. (a) Discuss ion-selective electrodes in detail and outline the interferences during
their working.
(b) What is the signi cance of Joblonski diagram in photochemistry? [9+6]
4. (a) What are smectic liquid crystals? How are they classi ed? Mention their
salient features
(b) Outline the various applications of superconductors [10+5]
5. (a) De ne Calori c value, Higher (or) Gross calori c value, lower (or) Net calori c
value?
(b) Calculate the gross & net Calori c value of a sample of coal having following
composition. C = 80% , H = 7% , O = 3% , S = 3.5% , N = 2.1% , and Ash
= 4.4% [8+7]
6. (a) Write a notes on fuel cell
(b) Discuss the working principle of primary batteries? [7+8]
7. Write short notes on the following:
(a) Nuclear ssion
(b) Nuclear Fusion
(c) Nuclear reactor [5+5+5]
8. (a) What is green house e ect? Explain.
(b) How it is useful to mankind? [8+7]
?????
1 of 1
Code No: R10104/R10 Set No. 4
I B.Tech I Semester Supplementary Examinations, Feb/Mar 2014
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) Write on the di erences between osmosis and reverse osmosis
(b) List out the conditions favorable for the higher yield of ammonia by applying
Lechatelier's principle [8+7]
2. (a) Explain the determination of molecular weight of compound by viscosity method?
(b) Discuss in detail the manufacture of acetic acid. [8+7]
3. (a) How can you interpreting
1
H-NMR spectra
(b) Explain the theory of preparation, manufacturing of electrode and interfer-
ences in the determination of Fluoride ion [10+5]
4. (a) Write a detailed note on Chalcogen photoconductors and Defect semiconduc-
tors
(b) Distinguish between p-type and n-type semiconductors [10+5]
5. (a) Explain carbonization of coal?
(b) Di erentiate low - temperature and High temperature carbonization. [7+8]
6. (a) Explain the working of Calomel electrode?
(b) Explain the working of Ag / AgCl electrode? [8+7]
7. (a) Explain the di erences between chemical reactions and nuclear reactions.
(b) What are radioactive isotopes? Discuss the applications of radio active iso-
topes. [8+7]
8. (a) What are the advantages and disadvantages of solar energy?
(b) Discuss the principle and working of solar thermal power plant. [7+8]
?????
1 of 1

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This post was last modified on 03 December 2019