# Download JNTUA B.Tech 4-2 R15 2019 April Regular 15A03806 Energy Management Question Paper

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Code: 15A03806

B.Tech IV Year II Semester (R15) Regular Examinations April 2019
ENERGY MANAGEMENT
(Mechanical Engineering)
Time: 3 hours Max. Marks: 70

PART ? A
(Compulsory Question)

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1 Answer the following: (10 X 02 = 20 Marks)
(a) What is interest?
(b) Define labour and manufacturing cost.
(c) Define depreciation.
(d) Name any four methods of depreciation.
(e) Define MARR.
(f) List out functions of energy manager.
(g) Define energy index.
(h) What is energy saving potential?
(i) What is pricing policy?
(j) Write short notes on level of power generation in India.

PART ? B
(Answer all five units, 5 X 10 = 50 Marks)

UNIT ? I

2 What is time value of money? Explain importance of it in managerial decisions with an example.
OR
3 Discuss the interest rate from borrowers and lenders point of view with cash flow diagram.

UNIT ? II

4 Define breakeven point. With a graph explain briefly break even analysis.
OR
5 A local transport company wants to purchase a heavy duty truck for 35 lakhs. The company assures
that the truck can run 15 lakh km during its 10 years of operation. The salvage value of life period is
Rs. 8 lakhs. If the truck has already run for this period of operation 10 lakh kilometers, find the
depreciation of the truck at this period.

UNIT ? III

6 A Rs. 1000 utility bond with 14 years remaining before maturity can be now purchased for Rs. 760. It
pays interest of Rs. 20 each 6 month period. What rate of return is earned by purchasing the bond at
the current market plus a brokerage charge of Rs. 2?
OR
7 Define rate of return and explain minimum acceptable rate of return and internal rate of return.

UNIT ? IV

8 List and explain the different types of energy audits and on what factors it is classified.
OR
9 Explain the terms energy index and cost index with examples.

UNIT ? V

10 Explain briefly transmission and distribution of power.
OR
11 Explain briefly:
(a) Energy trade & its economic impacts.
(b) Pricing policy of energy.

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R15
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