B.TechSemester 72021-22Renewable Energy ResourcesKOE-074

Renewable Energy Resources (KOE-074) - AKTU Question Paper 2021-22

B.Tech · Semester 7 · Free PDF Download

This is the official AKTU Renewable Energy Resources Previous Year Question Paper for B.Tech Semester 7, academic session 2021-22. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 7

Session:2021-22

University:AKTU / UPTU

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Questions Asked in 2021-22

Renewable Energy Resources (KOE-074) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f .

a
Describe photovoltaic effect. 2 1
b
Write down the properties of polycrystalline silicon cell. 2 1
c
Calculate the angle of declination for 7th may of a leap year. 2 2
d
Define solar constant and solar isolation. 2 2
e
What is meant by dry steam, wet steam and hot water in geotherm al system?
f
Write the chemical reaction takes place in Alkaline Fuel Cell. 2 3
g
Write short note on HAWT and VAWT. 2 4
h
State Seebeck Effect and Peltier Effect. 2 4 i. What do you mean by recycling? 2 5 j. Write the advantages and disadvantages for floating drum and fi xed dome type biogas plant

Section BAttempt any three o f t h e f o l l o w i n g :

a
Discuss the main features of various types of renewable and non - renewable energy sources. Also explain the importance of non- conventional energy sources in the context of global warming
b
Describe the Application and classification of hydrothermal resources. 10 2
c
With the help of a schematic diagram, explain the operation of closed cycle MHD generating system?
d
What is the basic difference between thermoelectric and thermio nic conversion systems? Also, explain the working of thermoelectric generators?
e
Explain availability, conversion theory of Biogas plant and Ene rgy conversion from biomass

Section CAttempt any one p a r t o f t h e f o l l o w i n g :

a
W rite a sho rt no te on P V arrays and System Charge controllers. What are the advantages and disadvant ages of photovoltaic solar ener gy conversion?
b
Describe various direct and indirect application of solar energy. 10 1
a
Classify different types of solar t h e r m a l c o l l e c t o r a n d s h o w t he constructional details of a flat plate collector. What are its main advantages?
b
Draw a schematic diagram for solar pond based electric power plant with cooling tower and explain its working
a
Explain the working of geothermal power plants. Discuss the various technical developments
b
Explain the working of molten carbonate fuel cells using approp riate diagram and write various chemi cal reactions involved in this t ype of fuel cell
a
What is the principle of wind energy conversion? What methods a re used to overcome the fluctuating power generation of windmills?
b
Using Betz model of a wind turbin e, derive the expression for p ower extracted from wind. Under what condition does the maximum theoretical power can be extracted from the wind turbine?
a
Explain the process of gasification of solid biomass. What is t he general composition of the gas produced and what is its heating value? What are its applications?
b
Explain the principle, working & Efficiency of OTEC power plant. What are the environmental effects of OTEC?

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — KOE-074

Questions that appeared in more than one session, found by comparing 4 years of Renewable Energy Resources papers (2021-22, 2022-23, 2023-24, 2024-25)

Describe photovoltaic effect. 2 1