JNTU Kakinada B-Tech 4-2 GREEN ENGINEERING SYSTEMS R13 April 2018 Question Paper

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
GREEN ENGINEERING SYSTEMS (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****
PART ?A (22 Marks)
1. a) Discuss the features of Solar Photo Voltaic system. [4]
b) What are the main applications of a solar pond? Describe briefly. [4]
c) Enumerate the main applications of biogas. [3]
d) What are the advantages and disadvantages of a fuel cell? [4]
e) What do you understand by green manufacturing systems? [3]
f) Explain the role of bamboo and rammed earth in the construction of green
buildings.
[4]

PART ?B (3×16 = 48 Marks)
2. a) Why orientation is needed in concentrating type collectors? Describe the
different methods of sun tracking.
[8]
b) Estimate the rate at which the sun emits energy. What fraction of this energy is
intercepted by the earth and what is the amount intercepted?
[8]

3. a) Describe the layout and working of a continuous solar cooling system. [8]
b) Discuss the advantages and disadvantages of horizontal and vertical axis
windmill.
[8]

4. a) Discuss different systems used for generating the power using geothermal
energy, in brief.
[8]
b) What are the factors, which affect the size of the bio-gas plants? [8]

5. a) Describe the principle of working of a fuel cell with reference to H
2
-O
2
cell. [8]
b) Discuss the relevance of energy efficient technologies in HVAC systems. [8]

6. Explain in detail, the environmental impact of current manufacturing practices
and systems.
[16]

7. a) Elaborate the green building concept. Give any one example of green building. [8]
b) Explain the different roofing systems used in green buildings. [8]

Code No: RT42032
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
GREEN ENGINEERING SYSTEMS (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****
PART ?A (22 Marks)
1. a) Discuss the features of Solar Photo Voltaic system. [4]
b) What are the main applications of a solar pond? Describe briefly. [4]
c) Enumerate the main applications of biogas. [3]
d) What are the advantages and disadvantages of a fuel cell? [4]
e) What do you understand by green manufacturing systems? [3]
f) Explain the role of bamboo and rammed earth in the construction of green
buildings.
[4]

PART ?B (3×16 = 48 Marks)
2. a) Why orientation is needed in concentrating type collectors? Describe the
different methods of sun tracking.
[8]
b) Estimate the rate at which the sun emits energy. What fraction of this energy is
intercepted by the earth and what is the amount intercepted?
[8]

3. a) Describe the layout and working of a continuous solar cooling system. [8]
b) Discuss the advantages and disadvantages of horizontal and vertical axis
windmill.
[8]

4. a) Discuss different systems used for generating the power using geothermal
energy, in brief.
[8]
b) What are the factors, which affect the size of the bio-gas plants? [8]

5. a) Describe the principle of working of a fuel cell with reference to H
2
-O
2
cell. [8]
b) Discuss the relevance of energy efficient technologies in HVAC systems. [8]

6. Explain in detail, the environmental impact of current manufacturing practices
and systems.
[16]

7. a) Elaborate the green building concept. Give any one example of green building. [8]
b) Explain the different roofing systems used in green buildings. [8]

Code No: RT42032
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
GREEN ENGINEERING SYSTEMS (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****
PART ?A (22 Marks)
1. a) Discuss the main applications of Solar Photo Voltaic system? [4]
b) Write notes on Solar distillation. [4]
c) What is bio-mass? How it is useful? [3]
d) Write short notes on the applications of fuel cell. [3]
e) Discuss about alternate casting techniques. [4]
f) Explain the role of timber and lime pozolana cement in the construction of
green buildings.
[4]

PART ?B (3×16 = 48 Marks)
2. a) How does a Photo Voltaic cell works? Explain with suitable diagram. [8]
b) Enumerate the different types of concentrating type collectors. Describe a
collector used in power plant for generation of electrical energy.
[8]

3. a) With the help of a neat sketch, describe a solar heating system using water
heating solar collectors. What are the advantages and disadvantages of this
method?

[8]
b) Discuss the methods which are used to overcome the fluctuating power
generation of windmill?
[8]

4. a) Explain the principle of open cycle OTEC system with suitable diagram. [8]
b) Explain the production of bio-gas. What are the factors which affect the
generation of biogas?
[8]

5. a) What is the principle of fuel cell? Discuss problems associated with operation
of fuel cell.
[8]
b) Give an account of different lighting technologies. [8]

6. Discuss the design and implementation of efficient and sustainable green
production system with an example.
[16]

7. a) Discuss the necessity of understanding the basic concept of green buildings. [8]
b) Describe energy management system and its importance. [8]

Code No: RT42032
Set No. 2
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
GREEN ENGINEERING SYSTEMS (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****
PART ?A (22 Marks)
1. a) Discuss the features of Solar Photo Voltaic system. [4]
b) What are the main applications of a solar pond? Describe briefly. [4]
c) Enumerate the main applications of biogas. [3]
d) What are the advantages and disadvantages of a fuel cell? [4]
e) What do you understand by green manufacturing systems? [3]
f) Explain the role of bamboo and rammed earth in the construction of green
buildings.
[4]

PART ?B (3×16 = 48 Marks)
2. a) Why orientation is needed in concentrating type collectors? Describe the
different methods of sun tracking.
[8]
b) Estimate the rate at which the sun emits energy. What fraction of this energy is
intercepted by the earth and what is the amount intercepted?
[8]

3. a) Describe the layout and working of a continuous solar cooling system. [8]
b) Discuss the advantages and disadvantages of horizontal and vertical axis
windmill.
[8]

4. a) Discuss different systems used for generating the power using geothermal
energy, in brief.
[8]
b) What are the factors, which affect the size of the bio-gas plants? [8]

5. a) Describe the principle of working of a fuel cell with reference to H
2
-O
2
cell. [8]
b) Discuss the relevance of energy efficient technologies in HVAC systems. [8]

6. Explain in detail, the environmental impact of current manufacturing practices
and systems.
[16]

7. a) Elaborate the green building concept. Give any one example of green building. [8]
b) Explain the different roofing systems used in green buildings. [8]

Code No: RT42032
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
GREEN ENGINEERING SYSTEMS (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****
PART ?A (22 Marks)
1. a) Discuss the main applications of Solar Photo Voltaic system? [4]
b) Write notes on Solar distillation. [4]
c) What is bio-mass? How it is useful? [3]
d) Write short notes on the applications of fuel cell. [3]
e) Discuss about alternate casting techniques. [4]
f) Explain the role of timber and lime pozolana cement in the construction of
green buildings.
[4]

PART ?B (3×16 = 48 Marks)
2. a) How does a Photo Voltaic cell works? Explain with suitable diagram. [8]
b) Enumerate the different types of concentrating type collectors. Describe a
collector used in power plant for generation of electrical energy.
[8]

3. a) With the help of a neat sketch, describe a solar heating system using water
heating solar collectors. What are the advantages and disadvantages of this
method?

[8]
b) Discuss the methods which are used to overcome the fluctuating power
generation of windmill?
[8]

4. a) Explain the principle of open cycle OTEC system with suitable diagram. [8]
b) Explain the production of bio-gas. What are the factors which affect the
generation of biogas?
[8]

5. a) What is the principle of fuel cell? Discuss problems associated with operation
of fuel cell.
[8]
b) Give an account of different lighting technologies. [8]

6. Discuss the design and implementation of efficient and sustainable green
production system with an example.
[16]

7. a) Discuss the necessity of understanding the basic concept of green buildings. [8]
b) Describe energy management system and its importance. [8]

Code No: RT42032
Set No. 2
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
GREEN ENGINEERING SYSTEMS (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****
PART ?A (22 Marks)
1. a) Discuss the limitations of solar photovoltaic system. [3]
b) Write notes on Solar chimney. [4]
c) What are the different sources of geothermal energy? [4]
d) How fuel cells are the future option for our energy needs? Justify your answer. [4]
e) Discuss the benefits of green manufacturing systems. [3]
f) Explain the role of hollow blocks and agro materials in the construction of
green buildings.
[4]

PART ?B (3×16 = 48 Marks)
2. a) Explain the working of pyranometer with the help of a neat sketch. [8]
b) What are the main components of a flat plate solar collector, explain the
function of each.
[8]

3. a) Describe in brief, the different energy storage methods used in the solar system. [8]
b) What is the basic principle of wind energy conversion? Derive the expression
for power developed due to wind.
[8]

4. a) State the limitations of OTEC system. [8]
b) What is meant by anaerobic digestion? What are the factors, which affect bio-
digestion? Explain briefly.
[8]

5. a) Write short notes on compressed air storage. [8]
b) What are variable frequency devices? Mention their benefits over other devices. [8]

6. Explain the selection of environment friendly materials in manufacturing. [16]

7. a) Discuss the features and benefits of green buildings. [8]
b) Explain the different sustainable practices used in the planning of green
buildings for mass comfort.
[8]

Code No: RT42032
Set No. 3
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
GREEN ENGINEERING SYSTEMS (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****
PART ?A (22 Marks)
1. a) Discuss the features of Solar Photo Voltaic system. [4]
b) What are the main applications of a solar pond? Describe briefly. [4]
c) Enumerate the main applications of biogas. [3]
d) What are the advantages and disadvantages of a fuel cell? [4]
e) What do you understand by green manufacturing systems? [3]
f) Explain the role of bamboo and rammed earth in the construction of green
buildings.
[4]

PART ?B (3×16 = 48 Marks)
2. a) Why orientation is needed in concentrating type collectors? Describe the
different methods of sun tracking.
[8]
b) Estimate the rate at which the sun emits energy. What fraction of this energy is
intercepted by the earth and what is the amount intercepted?
[8]

3. a) Describe the layout and working of a continuous solar cooling system. [8]
b) Discuss the advantages and disadvantages of horizontal and vertical axis
windmill.
[8]

4. a) Discuss different systems used for generating the power using geothermal
energy, in brief.
[8]
b) What are the factors, which affect the size of the bio-gas plants? [8]

5. a) Describe the principle of working of a fuel cell with reference to H
2
-O
2
cell. [8]
b) Discuss the relevance of energy efficient technologies in HVAC systems. [8]

6. Explain in detail, the environmental impact of current manufacturing practices
and systems.
[16]

7. a) Elaborate the green building concept. Give any one example of green building. [8]
b) Explain the different roofing systems used in green buildings. [8]

Code No: RT42032
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
GREEN ENGINEERING SYSTEMS (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****
PART ?A (22 Marks)
1. a) Discuss the main applications of Solar Photo Voltaic system? [4]
b) Write notes on Solar distillation. [4]
c) What is bio-mass? How it is useful? [3]
d) Write short notes on the applications of fuel cell. [3]
e) Discuss about alternate casting techniques. [4]
f) Explain the role of timber and lime pozolana cement in the construction of
green buildings.
[4]

PART ?B (3×16 = 48 Marks)
2. a) How does a Photo Voltaic cell works? Explain with suitable diagram. [8]
b) Enumerate the different types of concentrating type collectors. Describe a
collector used in power plant for generation of electrical energy.
[8]

3. a) With the help of a neat sketch, describe a solar heating system using water
heating solar collectors. What are the advantages and disadvantages of this
method?

[8]
b) Discuss the methods which are used to overcome the fluctuating power
generation of windmill?
[8]

4. a) Explain the principle of open cycle OTEC system with suitable diagram. [8]
b) Explain the production of bio-gas. What are the factors which affect the
generation of biogas?
[8]

5. a) What is the principle of fuel cell? Discuss problems associated with operation
of fuel cell.
[8]
b) Give an account of different lighting technologies. [8]

6. Discuss the design and implementation of efficient and sustainable green
production system with an example.
[16]

7. a) Discuss the necessity of understanding the basic concept of green buildings. [8]
b) Describe energy management system and its importance. [8]

Code No: RT42032
Set No. 2
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
GREEN ENGINEERING SYSTEMS (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****
PART ?A (22 Marks)
1. a) Discuss the limitations of solar photovoltaic system. [3]
b) Write notes on Solar chimney. [4]
c) What are the different sources of geothermal energy? [4]
d) How fuel cells are the future option for our energy needs? Justify your answer. [4]
e) Discuss the benefits of green manufacturing systems. [3]
f) Explain the role of hollow blocks and agro materials in the construction of
green buildings.
[4]

PART ?B (3×16 = 48 Marks)
2. a) Explain the working of pyranometer with the help of a neat sketch. [8]
b) What are the main components of a flat plate solar collector, explain the
function of each.
[8]

3. a) Describe in brief, the different energy storage methods used in the solar system. [8]
b) What is the basic principle of wind energy conversion? Derive the expression
for power developed due to wind.
[8]

4. a) State the limitations of OTEC system. [8]
b) What is meant by anaerobic digestion? What are the factors, which affect bio-
digestion? Explain briefly.
[8]

5. a) Write short notes on compressed air storage. [8]
b) What are variable frequency devices? Mention their benefits over other devices. [8]

6. Explain the selection of environment friendly materials in manufacturing. [16]

7. a) Discuss the features and benefits of green buildings. [8]
b) Explain the different sustainable practices used in the planning of green
buildings for mass comfort.
[8]

Code No: RT42032
Set No. 3
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
GREEN ENGINEERING SYSTEMS (Mechanical Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****
PART ?A (22 Marks)
1. a) What are the major components of photovoltaic systems? [4]
b) Write notes on Solar cooking. [3]
c) How bio-energy may be useful for rural applications? Justify your answer. [4]
d) Write short notes on the types of electrodes for a fuel cell. [4]
e) Discuss in detail about alternate joining techniques. [3]
f) Explain the role of ferro-concrete and industrial waste in the construction of
green buildings.
[4]

PART ?B (3×16 = 48 Marks)
2. a) Explain the Angstrom compensation pyrheliometer, with the help of a neat
sketch.
[8]
b) What are the advantages and disadvantages of concentrating collectors over flat
plate collectors?
[8]

3. a) What is the principle in the collection of solar energy used in a non-convective
solar pond? Describe a non-convective solar pond for solar energy collection and
storage.

[8]
b) Describe with a neat sketch the working of a wind energy system with main
components.
[8]

4. a) Explain with the help of diagram, the principle of closed cycle OTEC system. [8]
b) Explain the constructional detail and working of KVIC digester. [8]

5. a) Write short notes on pumped hydro electric storage. [8]
b) Discuss the aims and scopes of demand site management. [8]

6. a) Discuss the advantages and disadvantages of green manufacturing systems over
other systems?
[8]
b) What is zero work manufacturing? Explain in detail. [8]

7. a) Explain in detail the sustainable site selection for green buildings. [8]
b) Write short notes on the paints to reduce the heat gain of the buildings. [8]

Code No: RT42032
Set No. 4
R13
1 of 1