Download GTU B.Tech 2020 Winter 5th Sem 3150507 Energy Technology Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 3150507 Energy Technology Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:3150507 Date:22/01/2021
Subject Name:Energy Technology
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.


MARKS
Q.1 (a) Differentiate between conventional & non-conventional Energy sources.
03

(b) Discuss on world energy futures.
04

(c) List out all the commercially available waste heat recovery devices.
07
Explain any one device with neat sketch.


Q.2 (a) Discuss selection and applications of refractories.
03

(b) Explain types of Energy Audit.
04

(c) Explain proximate and ultimate analysis of coal in detail.
07
Q.3 (a) Define steam traps. State the functions of steam traps.
03

(b) Explain types of insulations and also discuss its applications.
04

(c) Discuss in detail about energy conservation. Also state its
07
importance.




Q.4 (a) Define: (i) Beam Radiation, (ii) Solar Altitude, (iii) Solar Azimuth
03
Angle

(b) What are the advantages and disadvantages of fuel cell?
04

(c) Explain solar pond briefly. What are the applications of solar pond?
07
Q.5 (a) List all the factors affecting biodigestion.
03

(b) What are the advantages and disadvantages of concentrating collectors
04
over flat plate collectors?

(c) Categorize different types of fuel cell and describe Molten Carbonate
07
Fuel Cell (MCFC) with neat diagram.



Q.6 (a) Define Photosynthesis. What are the conditions necessary for
03
photosynthesis?

(b) Define biomass and list biomass energy resources.
04

(c) List out various types of instruments for measuring solar radiation and
07
explain any one.
Q.7 (a) What are the techniques suggested for maintaining the biogas
03
production?

(b) Enlist various applications of solar energy.
04

(c) Describe with neat sketch the working of a wind energy system
07
(WECS) with main components.



Q.8 (a) State different applications of wind energy.
03
(b) Describe the main considerations in selecting a site for wind generators.
04
(c) Describe construction and working of KVIC digester.
07

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