Download GTU B.Tech 2020 Winter 7th Sem 2170911 Energy Conservation And Audit Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 7th Sem 2170911 Energy Conservation And Audit Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VII (NEW) EXAMINATION ? WINTER 2020
Subject Code:2170911 Date:19/01/2021
Subject Name:Energy Conservation and Audit
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.
Q.1 (a) Explain General principles of Energy management.
03

(b) Write down Guidelines for writing energy audit report.
04

(c) Enlist Instruments for Audit and Monitoring Energy and Energy Savings. 07
Briefly describe each.


Q.2 (a) Define: Latent Heat of Fusion, Contract Demand and Load Factor.
03

(b) Discuss Following:
04
1) Commercial and Noncommercial energy
2) Renewable and Nonrenewable energy

(c) Explain importance of power factor improvement and methods to implement 07
it.




Q.3 (a) What is Indian Boiler regulation?
03

(b) Describe present scenario for energy consumption of India.
04

(c) Explain various methods of energy conservation in house.
07




Q.4 (a) Explain FRC boiler in detailed.
03

(b) List down energy conservation opportunities in refrigeration system.
04

(c) Explain the concept of co-generation and its applications.
07



Q.5 (a) Explain soft starter in brief.
03

(b) Explain in detail various methods of Energy Conservation in 04
Compressors.

(c) What is demand side management? Explain in brief.
07



Q.6 (a) How do you assess the performance of Fans? Explain.
03

(b) Explain technical aspects of energy efficient motors.
04

(c) Explain in brief. Discuss the effect of following parameters on the
07
performance of Boiler
1) Excess air
2) Blow down
3) Waste heat utilization
1

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Q.7 (a) Explain Boiler's limitations and constraints.
03

(b) How to save energy by substituting existing fuel?
04

(c) Case studies of implemented energy cost optimization projects in electrical 07
utilities as well as thermal utilities.



Q.8 (a) Difference between fans, blowers and compressors?
03
(b) Write energy saving opportunities in cooling towers.
04
(c) Explain Type of Pumps, Also Give Detail parallel and series operating 07
pump performance.

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