Download GTU B.Tech 2020 Winter 7th Sem 2170505 Energy Technology Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 7th Sem 2170505 Energy Technology Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VII (NEW) EXAMINATION ? WINTER 2020
Subject Code:2170505 Date:30/01/2021
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.
Q.1 (a) State various properties of Hydrogen.
03

(b) Explain the terms: Nuclear Fission and fusion.
04

(c) What is biomass? Classify biogas plants and explain any one in brief.
07



Q.2 (a) Explain Proximate analysis of fuel in brief.
03

(b) What are criteria for site selection of wind mill?
04

(c) Enlist different geothermal energy resources and explain the heat extraction
07
from hot dry rocks.




Q.3 (a) Write advantages of closed cycle OTEC system over open cycle OTEC
03
system.

(b) Describe washability curve in brief.
04

(c) What is Fuel Cell? Describe in detail about ion exchange membrane cell with
07
neat diagram.




Q.4 (a) Write a short note on anthracite coal.
03

(b) Explain the term coking and caking of coal in brief.
04

(c) List out various fuel cell. Explain in detail about hydrogen-oxygen fuel cell
07
with neat diagram.
Q.5 (a) Write short note on components of nuclear reactor with neat figure.
03

(b) Define primary energy sources and secondary fuels. List out various
04
conventional and non conventional energy sources respectively.

(c) Explain in detail about the magnetic field and super conductivity for
07
Magneto Hydro-Dynamic (MHD) power generation.



Q.6 (a) List out basic components of wind energy conversion systems (WECS).
03
State various applications of wind energy.

(b) Discuss in brief: Composition of coal
04

(c) Describe MHD open cycle system. What are the benefits of MHD power
07
generation?
Q.7 (a) Explain the terms: Energy management, Energy audit and conservation.
03

(b) Explain in brief about components of tidal power plant.
04

(c) Define solar collector. Explain liquid heating flat-plate collectors in detail.
07



Q.8 (a) Differentiate dry and wet washing methods of coal.
03
(b) Explain in brief any one of the fossil fuel methods of hydrogen production.
04
(c) Explain in detail about Solar pond.
07
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