Energy Science Engineering (BOE404) - AKTU Question Paper 2025-26
B.Tech · Semester 4 · Free PDF Download
This is the official AKTU Energy Science Engineering Previous Year Question Paper for B.Tech Semester 4, academic session 2025-26. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.
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Questions Asked in 2025-26
Energy Science Engineering (BOE404) — complete question paper · 70 marks · 3 Hours
- aWhat is refrigeration and a heat pump?
- bDescribe Carnot and Stirling heat engines with neat diagrams
- cWhat is the function of a moderator in a reactor?
- dWhat is the difference between solar radiation and irradiance?
- eDefine biomass energy. Give some examples
- fWhat is radioactive waste?
- gList the different energy conservation techniques
- aDescribe different forms of energy and explain energy conversion processes in mechanical, thermal, and electromagnetic systems
- bExplain nuclear fission and describe the working, design, and safety features of a nuclear reactor
- cExplain different generations of solar cells (first, second, and third generation) with their advantages and limitations
- dDefine hydropower. Explain the basic principles of fluid dynamics and power generation in wind energy
- eExplain nuclear radiation, fuel cycles, waste management, and issues of proliferation. (SEM. IV) THEORY EXAMINATION 2025-26 ENERGY SCIENCE & ENGINEERING
- aExplain entropy, temperature, and their significance in thermodynamic systems
- bWhat is phase change energy conversion? Discuss solid-state phenomena, including photo, thermal, and electrical aspects
- aWhat is the nuclear force? Discuss the basic concepts of quantum mechanics relevant to nuclear physics
- bWhat is half-life? Discuss reactor safety, operation, and control mechanisms
- aDescribe the basic physics of semiconductors, including carrier transport, generation, and recombination
- bExplain the working principle of solar photovoltaic devices and discuss different generations of solar cells
- aWhat are the renewable energy resources? Explain geothermal power and ocean thermal energy conversion systems
- bWhat are the different biological energy sources? Discuss biological energy sources and fossil fuels, including their advantages and limitations
- aExplain the concept of green buildings, LEED ratings, and embodied energy analysis in achieving sustainability
- bWhat is sustainability? Discuss embodied energy analysis and its role in sustainability assessment
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 — BOE404
Questions that appeared in more than one session, found by comparing 3 years of Energy Science Engineering papers (2023-24, 2024-25, 2025-26)
What is the difference between solar radiation and irradiance?
Appeared in: 2024-25 · 2025-26
Energy Science Engineering — Other Year Papers
AKTU Energy Science Engineering PYQs from other sessions
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Syllabus & More PYQs
Paper solve karne se pehle unit-wise syllabus dekh lo