Gujarat Technological UniversitySummer 2026 examination

GTU 3161914 Renewable Energy Engineering Summer 2026 Question Paper & PDF

B.E. · Mechanical Engineering · Semester 6 · Subject code 3161914
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 10:30 AM – 1:00 PM
Questions
5 with internal choice
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Q.1

14 Marks
(a)
3 marks
Classify solar thermal collectors.
(b)
4 marks
Define following terms:
1Irradiation
2Insolation
3Radiosity
4Emissive Power
(c)
7 marks

Classify the various non-conventional energy sources and their availability with reference to Indian context. List the direct and indirect application of solar Energy.

Q.2

14 Marks
(a)
3 marks

Give equations of Angle of incident, declination, surface azimuth, slop angle of latitude and hour angle.

(b)
4 marks

Calculate the number of daylight hours in Ahmedabad on 8-June 1995, (latitude232N, Longitude 724E)

(c)
7 marks
Explain Photovoltaic (PV) Power generating system.
(c)
7 marks
Write short note on Solar distillation with neat sketch.

Q.3

14 Marks
(a)
3 marks
Write components of wind mills with neat sketch.
(b)
4 marks
What are the design consideration of horizontal axis machines?
(c)
7 marks
Discuss force on blade and torque on wind mill.
(a)
3 marks
What is wind energy? Give its applications.
(b)
4 marks
Explain following terms:
aWind turbine
bWind electric generator
cPitch control
dYaw control
(c)
7 marks

What are the basic components of WECS (Wind Energy Conversion System)? Classify WECS.

Q.4

14 Marks
(a)
3 marks
What are the main characteristics and uses of biomass?
(b)
4 marks
Comparison between open and closed cycle OTEC system.
(c)
7 marks

Explain Hydro gasification, types of gasifiers and process of gasification.

(a)
3 marks
What is Biomass? How are bio-gas plants classified?
(b)
4 marks
Explain factors affecting the production of biogas.
(c)
7 marks
Derive equation for power and energy in single basin tidal system.

Q.5

14 Marks
(a)
3 marks
Explain annual saving, cumulative saving and life cycle saving.
(b)
4 marks
Give Advantages and disadvantages of geothermal energy sources.
(c)
7 marks

Explain the working principle of MHD generator with different components of MHD system.

(a)
3 marks
Explain repayment of loan in equal annual investment.
(b)
4 marks
Give benefits of CDM (Clean Development Mechanism).
(c)
7 marks

Derive the equation for the maximum power output of MHD generator.

Other Semester 6 subjects

BE Mechanical

2161902
Internal Combustion Engines
3161903
Computer Aided Design
3161907
Basics of Industrial Engineering
3161910
Applied Thermodynamics

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About this paper

Official Gujarat Technological University (GTU) examination paper for Renewable Energy Engineering (Summer 2026, B.E. · Mechanical Engineering, Sem 6). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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