Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 8th Sem New 2180910 Energy Conservation And Audit Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? VIII (New) EXAMINATION ? WINTER 2019
Subject Code: 2180910 Date: 21/11/2019
Subject Name: Energy Conservation, And Audit
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) Explain the Pump operating point with a diagram? 03
(b) What are the immediate term energy strategies recommended? 04
(c) Explain the following stating the advantages and limitations if any
a) Simple Pay Back Period
b) Return on Investment
c) Internal rate of return
07
Q.2 (a) How benchmarking of energy consumption internally and externally
may be useful
03
(b) Explain briefly about Emission Trading? 04
(c) Define project and mention various steps involved in Project
Management
07
OR
(c) What is the procedure of conducting free air delivery test of
compressor by nozzle method?
07
Q.3 (a) Why steam is used as a popular mode of conveying energy? 03
(b) Explain Net Present Value and how NPV is calculated. 04
(c) Explain in detail the methodology for conducting a detailed energy
audit.
07
OR
Q.3 (a) What are the steps you might consider in setting up an energy
management program?
03
(b) What do you understand by energy management and energy
efficiency?
04
(c) Explain the terms with respect to cooling tower performance:
a) Wet bulb temperature b) Capacity and Range
07
Q.4 (a) What are the three reasons for poor fan performance in the field? 03
(b) List down some of the important parameters that influence the motor
selection?
04
(c) List out the tools commonly needed for energy audits and explain any
three.
07
OR
Q.4 (a) What is the effect of furnace draft 03
(b) Briefly explain the technologies for energy conservation.
04
(c) Explain the principles of energy management in detail.
07
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? VIII (New) EXAMINATION ? WINTER 2019
Subject Code: 2180910 Date: 21/11/2019
Subject Name: Energy Conservation, And Audit
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) Explain the Pump operating point with a diagram? 03
(b) What are the immediate term energy strategies recommended? 04
(c) Explain the following stating the advantages and limitations if any
a) Simple Pay Back Period
b) Return on Investment
c) Internal rate of return
07
Q.2 (a) How benchmarking of energy consumption internally and externally
may be useful
03
(b) Explain briefly about Emission Trading? 04
(c) Define project and mention various steps involved in Project
Management
07
OR
(c) What is the procedure of conducting free air delivery test of
compressor by nozzle method?
07
Q.3 (a) Why steam is used as a popular mode of conveying energy? 03
(b) Explain Net Present Value and how NPV is calculated. 04
(c) Explain in detail the methodology for conducting a detailed energy
audit.
07
OR
Q.3 (a) What are the steps you might consider in setting up an energy
management program?
03
(b) What do you understand by energy management and energy
efficiency?
04
(c) Explain the terms with respect to cooling tower performance:
a) Wet bulb temperature b) Capacity and Range
07
Q.4 (a) What are the three reasons for poor fan performance in the field? 03
(b) List down some of the important parameters that influence the motor
selection?
04
(c) List out the tools commonly needed for energy audits and explain any
three.
07
OR
Q.4 (a) What is the effect of furnace draft 03
(b) Briefly explain the technologies for energy conservation.
04
(c) Explain the principles of energy management in detail.
07
2
Q.5 (a) Highlight advantages of CFL lamp (compact fluorescent lamp) over
incandescent lamps?
03
(b) Explain the different types of depreciation. 04
(c) Write few salient points about optimum capacity utilization of
furnaces.
07
OR
Q.5 (a) What is the significance of optimizing furnace temperature? 03
(b) List any five problems that can arise due to harmonics in a system. 04
(c) Write short notes on ?intermittent blow down? and
?Continuous blow down? with respect to boilers.
07
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This post was last modified on 20 February 2020