JNTU Kakinada B-Tech 4-2 POWER PLANT ENGINEERING R13 April 2018 Question Paper

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
POWER PLANT ENGINEERING (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 is energy? What are its different forms? [3]
b) Distinguish between open cycle and closed cycle turbine plants. [4]
c) Differentiate between dams and spillways used in hydro electric power plants. [4]
d) What are the major sources for the radiation hazards in nuclear power plants? [3]
e) How measurement of moisture in CO
2
is done? [4]
f) List out the methods of pollution control. [4]

PART ?B (3×16 = 48 Marks)2. a) Classify and explain the working of mechanical dust collectors. [8]
b) Make neat sketch and explain the working of (i) Chain stoker (ii) Spreader stoker
[8]

3. a) Describe the various methods used for starting diesel engine. Describe the
correct sequence of steps for starting and stopping procedure.
[8]
b) What are the essential components of a simple open cycle gas turbine plant?
How inter cooling and regeneration help in improving thermal efficiency of the
plant?

[8]

4. a) What is Hydrological cycle? Explain its significance in locating the site and
design of hydro electric power plants.
[8]
b) What are the various factors to be considered in selecting the site for a hydro
electric power plant and discuss briefly about primary and secondary
investigations.

[8]

5. a) What are the general problems of reactor operation? [8]
b) Explain the principle of operation of boiling water reactor used for power
generation along with a neat sketch.
[8]

6. a) With a neat sketch, explain the working of smoke measurement system. [8]
b) Explain the pump storage plant in combination with steam and nuclear power
plant.
[8]

7. a) A residential consumer has 10 lamps of 40 watts each connected at his
residence. His demand is:
Midnight to 5 AM- 40 watts; 5 AM to 6 PM – No load; 6 PM to 7 PM – 320
watts; 7 PM to 9 PM – 360 watts; 9 PM to 12 Midnight – 160 watts (i). Plot the load curve (ii). Find average load (iii). Max. Load (iv). Load factor (v). Energy consumption during one day.

[10]
b) Explain (i) Plant capacity factor (ii) Plant use factor (iii) Load factor [6]
Code No: RT42033D
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
POWER PLANT ENGINEERING (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 is energy? What are its different forms? [3]
b) Distinguish between open cycle and closed cycle turbine plants. [4]
c) Differentiate between dams and spillways used in hydro electric power plants. [4]
d) What are the major sources for the radiation hazards in nuclear power plants? [3]
e) How measurement of moisture in CO
2
is done? [4]
f) List out the methods of pollution control. [4]

PART ?B (3×16 = 48 Marks)2. a) Classify and explain the working of mechanical dust collectors. [8]
b) Make neat sketch and explain the working of (i) Chain stoker (ii) Spreader stoker
[8]

3. a) Describe the various methods used for starting diesel engine. Describe the
correct sequence of steps for starting and stopping procedure.
[8]
b) What are the essential components of a simple open cycle gas turbine plant?
How inter cooling and regeneration help in improving thermal efficiency of the
plant?

[8]

4. a) What is Hydrological cycle? Explain its significance in locating the site and
design of hydro electric power plants.
[8]
b) What are the various factors to be considered in selecting the site for a hydro
electric power plant and discuss briefly about primary and secondary
investigations.

[8]

5. a) What are the general problems of reactor operation? [8]
b) Explain the principle of operation of boiling water reactor used for power
generation along with a neat sketch.
[8]

6. a) With a neat sketch, explain the working of smoke measurement system. [8]
b) Explain the pump storage plant in combination with steam and nuclear power
plant.
[8]

7. a) A residential consumer has 10 lamps of 40 watts each connected at his
residence. His demand is:
Midnight to 5 AM- 40 watts; 5 AM to 6 PM – No load; 6 PM to 7 PM – 320
watts; 7 PM to 9 PM – 360 watts; 9 PM to 12 Midnight – 160 watts (i). Plot the load curve (ii). Find average load (iii). Max. Load (iv). Load factor (v). Energy consumption during one day.

[10]
b) Explain (i) Plant capacity factor (ii) Plant use factor (iii) Load factor [6]
Code No: RT42033D
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
POWER PLANT ENGINEERING (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) Give a brief note on cyclone furnace. [3]
b) What is super charging? Give its importance. [4]
c) Give the classification of hydro power plants. [4]
d) What are the breeding materials used for the chemical reaction in the nuclear
power plants?
[3]
e) How measurement of dust is done? [4]
f) What is the impact of power plants on environment? [4]

PART ?B (3×16 = 48 Marks)2. a) Explain about pulse – jet dust collector. [8]
b) Describe the various types of grates used with hand fired furnace. [8]

3. a) Calculate the efficiency and specific work output of a simple gas turbine plant
operating on Brayton cycle. The maximum and minimum temperatures are
1000 k and 288 k respectively. The pressure ratio is 6. The isentropic
efficiencies of compressor and turbine are 85 and 90 percent respectively. If the
unit consumed 2 tons of oil per hour of C.V. 46500 K.J per kg, determine the
power generated. The mechanical efficiency is 90% and generator efficiency is
85%.

[8]
b) What is meant by auto – ignition? Why is excess air always used in a C.I
engine?
[8]

4. a) How to make use of the tides for power generation based on their capacities?
Explain the principle of operation.
[8]
b) Give the classification and briefly discuss the typical layouts of hydro projects. [8]

5. a) How to make use of the gas for the cooling of a chemical reactor in the nuclear
thermal power plants? Explain with a suitable diagram.
[8]
b) What factors are considered in selecting on economical site for nuclear power
plant?
[8]

6. a) Compare the principle of operation of combined cycle power plant with the
cogeneration unit along with their limitations.
[8]
b) What are the basic elements exhausted with flue gases? Which are hazardous
to human health?
[8]
7. a) A central power station has annual factors as follows :
Load factor = 60%; Capacity factor = 40%; Use factor = 50%;
Power station has a maximum demand of 15000 kw.
Determine: i. Annual energy productionii. Reserve capacity over and above
peak load iii. Hours per year not in service.

[10]
b) Give a brief note on: i. Connected load ii. Maximum demand iii. Demand factor [6]
Code No: RT42033D
Set No. 2
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
POWER PLANT ENGINEERING (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 is energy? What are its different forms? [3]
b) Distinguish between open cycle and closed cycle turbine plants. [4]
c) Differentiate between dams and spillways used in hydro electric power plants. [4]
d) What are the major sources for the radiation hazards in nuclear power plants? [3]
e) How measurement of moisture in CO
2
is done? [4]
f) List out the methods of pollution control. [4]

PART ?B (3×16 = 48 Marks)2. a) Classify and explain the working of mechanical dust collectors. [8]
b) Make neat sketch and explain the working of (i) Chain stoker (ii) Spreader stoker
[8]

3. a) Describe the various methods used for starting diesel engine. Describe the
correct sequence of steps for starting and stopping procedure.
[8]
b) What are the essential components of a simple open cycle gas turbine plant?
How inter cooling and regeneration help in improving thermal efficiency of the
plant?

[8]

4. a) What is Hydrological cycle? Explain its significance in locating the site and
design of hydro electric power plants.
[8]
b) What are the various factors to be considered in selecting the site for a hydro
electric power plant and discuss briefly about primary and secondary
investigations.

[8]

5. a) What are the general problems of reactor operation? [8]
b) Explain the principle of operation of boiling water reactor used for power
generation along with a neat sketch.
[8]

6. a) With a neat sketch, explain the working of smoke measurement system. [8]
b) Explain the pump storage plant in combination with steam and nuclear power
plant.
[8]

7. a) A residential consumer has 10 lamps of 40 watts each connected at his
residence. His demand is:
Midnight to 5 AM- 40 watts; 5 AM to 6 PM – No load; 6 PM to 7 PM – 320
watts; 7 PM to 9 PM – 360 watts; 9 PM to 12 Midnight – 160 watts (i). Plot the load curve (ii). Find average load (iii). Max. Load (iv). Load factor (v). Energy consumption during one day.

[10]
b) Explain (i) Plant capacity factor (ii) Plant use factor (iii) Load factor [6]
Code No: RT42033D
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
POWER PLANT ENGINEERING (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) Give a brief note on cyclone furnace. [3]
b) What is super charging? Give its importance. [4]
c) Give the classification of hydro power plants. [4]
d) What are the breeding materials used for the chemical reaction in the nuclear
power plants?
[3]
e) How measurement of dust is done? [4]
f) What is the impact of power plants on environment? [4]

PART ?B (3×16 = 48 Marks)2. a) Explain about pulse – jet dust collector. [8]
b) Describe the various types of grates used with hand fired furnace. [8]

3. a) Calculate the efficiency and specific work output of a simple gas turbine plant
operating on Brayton cycle. The maximum and minimum temperatures are
1000 k and 288 k respectively. The pressure ratio is 6. The isentropic
efficiencies of compressor and turbine are 85 and 90 percent respectively. If the
unit consumed 2 tons of oil per hour of C.V. 46500 K.J per kg, determine the
power generated. The mechanical efficiency is 90% and generator efficiency is
85%.

[8]
b) What is meant by auto – ignition? Why is excess air always used in a C.I
engine?
[8]

4. a) How to make use of the tides for power generation based on their capacities?
Explain the principle of operation.
[8]
b) Give the classification and briefly discuss the typical layouts of hydro projects. [8]

5. a) How to make use of the gas for the cooling of a chemical reactor in the nuclear
thermal power plants? Explain with a suitable diagram.
[8]
b) What factors are considered in selecting on economical site for nuclear power
plant?
[8]

6. a) Compare the principle of operation of combined cycle power plant with the
cogeneration unit along with their limitations.
[8]
b) What are the basic elements exhausted with flue gases? Which are hazardous
to human health?
[8]
7. a) A central power station has annual factors as follows :
Load factor = 60%; Capacity factor = 40%; Use factor = 50%;
Power station has a maximum demand of 15000 kw.
Determine: i. Annual energy productionii. Reserve capacity over and above
peak load iii. Hours per year not in service.

[10]
b) Give a brief note on: i. Connected load ii. Maximum demand iii. Demand factor [6]
Code No: RT42033D
Set No. 2
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
POWER PLANT ENGINEERING (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) Give a brief note on grate stokers. [3]
b) Give the classification of gas turbine plants. [4]
c) What is a hydrograph? Mention its importance. [4]
d) What are the fertile materials used in the nuclear power plants? [3]
e) How measurement of O
2
and CO
2
is done? [4]
f) What do you know about pollution standards? [4]

PART ?B (3×16 = 48 Marks)2. a) Why ash and dust handling is more difficult than coal handling? [8]
b) What are renewable and non – renewable energy sources? Discuss with reference
to Indian scenario.
[8]

3. a) Discuss the wet sump lubrication system pertaining to a diesel engine. [8]
b) What methods are used to improve the efficiency of gas turbine power plant? [8]

4. a) Explain the characteristics of hydrographs with respect to the power generation
along with the suitable curves.
[8]
b) Discuss different plant auxiliaries used for hydro projects. [8]

5. a) How the Graphite can be used in the nuclear power plant reactors? Explain the
special requirement of Graphite in the reactions.
[8]
b) List out the advantages and disadvantages of nuclear plants over conventional
thermal plants.
[8]

6. a) Draw the schematic diagram of magneto hydrodynamic direct energy conversion
power generation unit along with their auxiliary components and discuss the
principle.

[8]
b) What are the different methods used to control SO
2
in flue gases? [8]

7. a) The peak load on a power station is 30 MW. The loads having maximum
demands of 25 MW, 10MW, 5 MW and 7 MW are connected to the power
station. The capacity of the power station is 40MW and annual load factor is
50 % , find: (i). Average load on the power station (ii). Energy supplied per year. (iii). Demand factor. (iv). Diversity factor.

[8]
b) Explain the significance of: (i). Load factor (ii). Diversity factor (iii). Plant
capacity factor (iv). Plant use factor
[8]
Code No: RT42033D
Set No. 3
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
POWER PLANT ENGINEERING (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 is energy? What are its different forms? [3]
b) Distinguish between open cycle and closed cycle turbine plants. [4]
c) Differentiate between dams and spillways used in hydro electric power plants. [4]
d) What are the major sources for the radiation hazards in nuclear power plants? [3]
e) How measurement of moisture in CO
2
is done? [4]
f) List out the methods of pollution control. [4]

PART ?B (3×16 = 48 Marks)2. a) Classify and explain the working of mechanical dust collectors. [8]
b) Make neat sketch and explain the working of (i) Chain stoker (ii) Spreader stoker
[8]

3. a) Describe the various methods used for starting diesel engine. Describe the
correct sequence of steps for starting and stopping procedure.
[8]
b) What are the essential components of a simple open cycle gas turbine plant?
How inter cooling and regeneration help in improving thermal efficiency of the
plant?

[8]

4. a) What is Hydrological cycle? Explain its significance in locating the site and
design of hydro electric power plants.
[8]
b) What are the various factors to be considered in selecting the site for a hydro
electric power plant and discuss briefly about primary and secondary
investigations.

[8]

5. a) What are the general problems of reactor operation? [8]
b) Explain the principle of operation of boiling water reactor used for power
generation along with a neat sketch.
[8]

6. a) With a neat sketch, explain the working of smoke measurement system. [8]
b) Explain the pump storage plant in combination with steam and nuclear power
plant.
[8]

7. a) A residential consumer has 10 lamps of 40 watts each connected at his
residence. His demand is:
Midnight to 5 AM- 40 watts; 5 AM to 6 PM – No load; 6 PM to 7 PM – 320
watts; 7 PM to 9 PM – 360 watts; 9 PM to 12 Midnight – 160 watts (i). Plot the load curve (ii). Find average load (iii). Max. Load (iv). Load factor (v). Energy consumption during one day.

[10]
b) Explain (i) Plant capacity factor (ii) Plant use factor (iii) Load factor [6]
Code No: RT42033D
Set No. 1
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
POWER PLANT ENGINEERING (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) Give a brief note on cyclone furnace. [3]
b) What is super charging? Give its importance. [4]
c) Give the classification of hydro power plants. [4]
d) What are the breeding materials used for the chemical reaction in the nuclear
power plants?
[3]
e) How measurement of dust is done? [4]
f) What is the impact of power plants on environment? [4]

PART ?B (3×16 = 48 Marks)2. a) Explain about pulse – jet dust collector. [8]
b) Describe the various types of grates used with hand fired furnace. [8]

3. a) Calculate the efficiency and specific work output of a simple gas turbine plant
operating on Brayton cycle. The maximum and minimum temperatures are
1000 k and 288 k respectively. The pressure ratio is 6. The isentropic
efficiencies of compressor and turbine are 85 and 90 percent respectively. If the
unit consumed 2 tons of oil per hour of C.V. 46500 K.J per kg, determine the
power generated. The mechanical efficiency is 90% and generator efficiency is
85%.

[8]
b) What is meant by auto – ignition? Why is excess air always used in a C.I
engine?
[8]

4. a) How to make use of the tides for power generation based on their capacities?
Explain the principle of operation.
[8]
b) Give the classification and briefly discuss the typical layouts of hydro projects. [8]

5. a) How to make use of the gas for the cooling of a chemical reactor in the nuclear
thermal power plants? Explain with a suitable diagram.
[8]
b) What factors are considered in selecting on economical site for nuclear power
plant?
[8]

6. a) Compare the principle of operation of combined cycle power plant with the
cogeneration unit along with their limitations.
[8]
b) What are the basic elements exhausted with flue gases? Which are hazardous
to human health?
[8]
7. a) A central power station has annual factors as follows :
Load factor = 60%; Capacity factor = 40%; Use factor = 50%;
Power station has a maximum demand of 15000 kw.
Determine: i. Annual energy productionii. Reserve capacity over and above
peak load iii. Hours per year not in service.

[10]
b) Give a brief note on: i. Connected load ii. Maximum demand iii. Demand factor [6]
Code No: RT42033D
Set No. 2
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
POWER PLANT ENGINEERING (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) Give a brief note on grate stokers. [3]
b) Give the classification of gas turbine plants. [4]
c) What is a hydrograph? Mention its importance. [4]
d) What are the fertile materials used in the nuclear power plants? [3]
e) How measurement of O
2
and CO
2
is done? [4]
f) What do you know about pollution standards? [4]

PART ?B (3×16 = 48 Marks)2. a) Why ash and dust handling is more difficult than coal handling? [8]
b) What are renewable and non – renewable energy sources? Discuss with reference
to Indian scenario.
[8]

3. a) Discuss the wet sump lubrication system pertaining to a diesel engine. [8]
b) What methods are used to improve the efficiency of gas turbine power plant? [8]

4. a) Explain the characteristics of hydrographs with respect to the power generation
along with the suitable curves.
[8]
b) Discuss different plant auxiliaries used for hydro projects. [8]

5. a) How the Graphite can be used in the nuclear power plant reactors? Explain the
special requirement of Graphite in the reactions.
[8]
b) List out the advantages and disadvantages of nuclear plants over conventional
thermal plants.
[8]

6. a) Draw the schematic diagram of magneto hydrodynamic direct energy conversion
power generation unit along with their auxiliary components and discuss the
principle.

[8]
b) What are the different methods used to control SO
2
in flue gases? [8]

7. a) The peak load on a power station is 30 MW. The loads having maximum
demands of 25 MW, 10MW, 5 MW and 7 MW are connected to the power
station. The capacity of the power station is 40MW and annual load factor is
50 % , find: (i). Average load on the power station (ii). Energy supplied per year. (iii). Demand factor. (iv). Diversity factor.

[8]
b) Explain the significance of: (i). Load factor (ii). Diversity factor (iii). Plant
capacity factor (iv). Plant use factor
[8]
Code No: RT42033D
Set No. 3
R13
1 of 1

IV B.Tech II Semester Regular/Supplementary Examinations, April – 2018
POWER PLANT ENGINEERING (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) Give a brief note on retort stokers. [3]
b) Compare diesel and gas turbine plants. [4]
c) What is Hydrological cycle? Explain its significance. [4]
d) What are the nuclear fuels used in the nuclear power plants? [3]
e) How measurement of water purity is done? [4]
f) Explain the effects of effluents on the environment and human health. [4]

PART ?B (3×16 = 48 Marks)2. a) What are the different ash handling systems? And explain mechanical handling
system.
[8]
b) Explain with the neat diagram the working of different types of wet type
mechanical dust collectors.
[8]

3. a) What are the various factors to be considered while selecting the site for diesel
engine power plant?
[8]
b) Give the layout of gas turbine power plant. [8]

4. a) Discuss the classification of dams and spill ways. [8]
b) Explain the site selection criterion of hydro power plant. [8]

5. a) What are the byproducts formed during nuclear fission and fusion reactions in
the nuclear power plants? Explain their applicability.
[8]
b) List out the advantages and disadvantages of pressurized water reactor. [8]

6. a) What are the major sources of air pollution? Explain. [6]
b) Briefly discuss the coordination of different types of power plants. [10]

7. a) The following data is given for a steam power plant: Maximum Demand 25,000
kW; Load factor 40%; Coal consumption 0.86 kg/kWh; Boiler efficiency 85%;
Turbine efficiency 90%; Price of coal Rs. 55 per Ton; Determine: (i) Thermal efficiency of the station (ii) Coal bill of the station for one year.

[8]
b) Draw the load curve for the power requirement in India and discuss the methods
to fulfill the part load conditions.
[8]

Code No: RT42033D
Set No. 4
R13
1 of 1