Download GTU BE/B.Tech 2019 Winter 8th Sem New 2181916 Energy Conservation And Management Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 8th Sem New 2181916 Energy Conservation And Management Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? VIII (New) EXAMINATION ? WINTER 2019
Subject Code: 2181916 Date: 21/11/2019

Subject Name: Energy Conservation And Management
Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.



MARKS

Q.1 (a) Classify energy sources. 03
(b) Explain in brief Energy security.

04
(c) Write short note on Indian Energy scenario 07

Q.2 (a) Define energy management. Explain its benefits. 03
(b) How BEE help in implementing Energy Conservation Act? 04
(c) Explain detailed energy audit. 07
OR
(c) Using the net present value method, evaluate the financial merits of
two proposed projects shown in table. The annual rate is 9 % for
each project.
Project 1 Project 2
Capital cost 35000 35000
Year Net annual
saving (Rs.)
Net annual
saving (Rs.)
1 +7400 + 6500
2 +6700 + 6500
3 +6300 + 6500
4 +6500 + 6500
5 +6300 + 6500
6 +6900 + 6500
7 +6100 + 6500
8 +6400 + 6500
9 +6400 + 6500
10 +6000 + 6500
Total net saving
at end of tenth
year
+65000 +65000


07
Q.3 (a) Explain significance of energy audit. 03
(b) Explain the terms: Return On Investment, Time value of money 04
(c) Discuss in brief Energy conservation Act 2001 and its features. 07
OR
Q.3 (a) Explain Sensitivity Analysis. 03
(b) List different energy audit instruments with use. 04
(c) List financial analysis techniques. Explain any one with its merits
and demerits.
07
Q.4 (a) Compare Net Present Value and Internal Rate of Return.

03
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1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? VIII (New) EXAMINATION ? WINTER 2019
Subject Code: 2181916 Date: 21/11/2019

Subject Name: Energy Conservation And Management
Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.



MARKS

Q.1 (a) Classify energy sources. 03
(b) Explain in brief Energy security.

04
(c) Write short note on Indian Energy scenario 07

Q.2 (a) Define energy management. Explain its benefits. 03
(b) How BEE help in implementing Energy Conservation Act? 04
(c) Explain detailed energy audit. 07
OR
(c) Using the net present value method, evaluate the financial merits of
two proposed projects shown in table. The annual rate is 9 % for
each project.
Project 1 Project 2
Capital cost 35000 35000
Year Net annual
saving (Rs.)
Net annual
saving (Rs.)
1 +7400 + 6500
2 +6700 + 6500
3 +6300 + 6500
4 +6500 + 6500
5 +6300 + 6500
6 +6900 + 6500
7 +6100 + 6500
8 +6400 + 6500
9 +6400 + 6500
10 +6000 + 6500
Total net saving
at end of tenth
year
+65000 +65000


07
Q.3 (a) Explain significance of energy audit. 03
(b) Explain the terms: Return On Investment, Time value of money 04
(c) Discuss in brief Energy conservation Act 2001 and its features. 07
OR
Q.3 (a) Explain Sensitivity Analysis. 03
(b) List different energy audit instruments with use. 04
(c) List financial analysis techniques. Explain any one with its merits
and demerits.
07
Q.4 (a) Compare Net Present Value and Internal Rate of Return.

03
2
(b) Discuss Bench marking in detail. 04
(c) Explain essential elements of Monitoring and Targeting. 07
OR
Q.4 (a) Explain boiler blowdown with advantages. 03
(b) Explain how CUSUM chart is drawn with an example. 04
(c) What are the disadvantages of ?direct method? of boiler efficiency
evaluation over ?indirect method?? Write step wise procedure to
calculate Boiler efficiency.
07
Q.5 (a) Give tips for energy saving in Compressor. 03
(b) Which are various sources of waste heat recovery? State its
advantages.
04
(c) What do you mean by co-generation? Classify co-generation system &
explain bottoming cycle with sketch.
07
OR

Q.5 (a) Give tips for energy saving in pump. 03
(b) Discuss the role of Energy Service Companies (ESCOs). 04
(c) Explain Clean Development Mechanism (CDM). 07

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