SPPU Mechanical Engineering (Semester 7)
Energy Audit Management
December 2016
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


Solve any one question from Q.1(a,b)& Q.2(a,b)
1(a) Write a short note on Energy action Planning.
5 M
Solve any one question from Q.1(a,b) & Q.2(a,b)
1(a) Write a short note on Energy action Planning.
5 M
1(b) Describe relation between Environment and Energy.
5 M
1(b) Describe relation between Environment and Energy.
5 M

2(a) Explain Four Principles of Energy Management.
5 M
2(a) Explain Four Principles of Energy Management.
5 M
2(b) Write short note on Energy conversion act 2001.
5 M
2(b) Write short note on Energy conservation act 2001.
5 M

Solve any one question from Q.3(a,b) & Q.4(a,b)
3(a) Explain Energy Conversion opportunities in Boiler.
5 M
Solve any one question from Q.3(a,b) & Q.4(a,b)
3(a) Explain Energy Conservation opportunities in Boiler.
5 M
3(b) Explain Need of Energy Audit in India.
5 M
3(b) Explain Need of Energy Audit in India.
5 M

4(a) Explain Energy Conservation opportunities in Compressed air system.
5 M
4(a) Explain Energy Conversion opportunities in Compressed air system.
5 M
4(b) Why Pre-audit and Post-audit is important during Energy audit.
5 M
4(b) Why Pre-audit. And Post audit is important during Energy audit.
5 M

Solve any one question from Q.5(a,b) & Q.6
5(a) What is the NPV of a project,(life 2 year) which requires an investment of Rs. 70,000 and yield Rs.50,000 in the 1st year and Rs. 50,000 in the next year, if the Interest rate is 10%.
5 M
Solve any one question from Q.5(a,b)& Q.6
5(a) What is the NPV of a project, (life 2year) which requires an investment of Rs. 70,000 and yield Rs. 50,000 in the 1st year and Rs. 50,000 in the next year, if the Interest rate is 10%.
5 M
5(b) A sum of Rs. 1,20,000 is deposited in a bank at the beginning of a year. The bank pays 6% interest annually. How much money is in the bank account at the end of the fifth year, if no money is withdrawn?
5 M
5(b) A sum of RS. 1,20, 000 is deposited in a bank at the beginning of a year. The bank pays 6% interest annually. How much money is in the bank account at the end of the fifth year, if no money is withdrawn?
5 M

6 Explain following financial analysis methods:
a) Net Present Value.
b) Return on Investment.
c) Internal rate of return.
d) Simple Payback period.
e) Time Value of Money.
10 M
6 Expalin following financial analysis methods:
i) Net present Value.
b) Return on Investment.
iii) Internal rate of return.
iv) Simple Payback period.
Time value of Money.
10 M

Solve any one question from Q.7(a,b) & Q.8(a,b)
7(a) Calculate Thermal Efficiency of boiler and Evaporation ratio by Direct method with the help of following data:
Type of boiler: Coal fired.
Quantity of Steam generated: 11TPH.
Quantity of Coal consumed: 1.6TPH.
Steam Pressure and Temperature: 10kg/cm2(gauge)/190°C.
Feed water Temperature: 81°C.
GCV of coal: 12500KJ/kg.
Enthalpy of saturated steam at 10 Kg/cm2 pressure:1685KJ/kg.
Enthalpy of feed water:310KJ/kg.
6 M
Solve any one question from Q.7(a,b)& Q.8(a,b)
7(a) Calculate Thermal Efficiency of boiler and Evaporation ratio by Direct method with the help of following data:
Type of boiler: Coal fired.
Quantity of Steam generated: 11PH.
Quantity of Coal consumed: 1.6 TPH.
Steam Pressure and Temperature: 10kg/cm(gauge)/190°C. Feed water Temperature: 81°C.
GCV of Coal: 12500 KJ/kg.
Enthalpy of saturated steam at 10Kg/cm2 pressure: 1685KJ/kg. Enthalpy of feed water: 310KJ/kg.
6 M
7(b) Explain the following parameters in the brief:
i) Excess air ratio.
ii) Stochimetric air quantity.
iii) Balanced draught
6 M
7(b) Explain the following parameters in the brief:
i) Excess air ratio.
b) Stochiomertic air quantity. c) Balanced draguht
6 M

8(a) Explain different efficient steam distribution systems.
6 M
8(a) Explain different efficient steam distribution systems.
6 M
8(b) List the energy saving opportunities in pumping system.
6 M
8(b) List the energy saving opportunities in pumping system.
6 M

Solve any one question from Q.9(a,b) & Q.10(a,b)
9(a) Explain the term Copper losses and Luminous Efficiency.
7 M
Solve any one question from Q.9(a,b)& Q.10(a,b)
9(a) Explain the term Copper losses and Luminous Efficiency.
7 M
9(b) Write a short note on the Electricity Act 2003.
7 M
9(b) Write a short note on the Electricity ACT 2003.
7 M

10(a) Explain the selection and location of Capacitors for improving power factor.
7 M
10(a) Explain the selection and location of Capacitors for improving power factor.
7 M
10(b) Explain the term Color Rendering Index(CRI) and Igniters.
7 M
10(b) Explain the term Color Renderings Index(CRI) and Igniters.
7 M

Solve any one question from Q.11(a,b) & Q.12(a,b)
11(a) What are the heat wheels? Explain with neat sketch.
7 M
Solve any one question from Q.11(a,b)& Q.12(a,b)
11(a) What are the heat wheels? Explain with neat sketch.
7 M
11(b) Write short note on Carbon Credit.
7 M
11(b) Write short note on Carbon Credit.
7 M

12(a) Describe cogenreation cycles with suitable practical examples.
7 M
12(a) Describe cogeneration cycles with suitable practical examples.
7 M
12(b) Explain CDM project with flow chart.
7 M
12(b) Explain CDM project with flow chart.
7 M



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