B.TechSemester 42025-26Energy Science EngineeringBOE404

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.

Course:B.Tech
Semester:Semester 4
Session:2025-26
University:AKTU / UPTU

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Questions Asked in 2025-26

Energy Science Engineering (BOE404) — extracted question text · 70 marks · 3 Hours

Section AAttempt all questions in brief. 02 x 7 = 14
  • a
    What is refrigeration and a heat pump?
  • b
    Describe Carnot and Stirling heat engines with neat diagrams
  • c
    What is the function of a moderator in a reactor?
  • d
    What is the difference between solar radiation and irradiance?
  • e
    Define biomass energy. Give some examples
  • f
    What is radioactive waste?
  • g
    List the different energy conservation techniques
Section BAttempt any three of the following: 07 x 3 = 21
  • a
    Describe different forms of energy and explain energy conversion processes in mechanical, thermal, and electromagnetic systems
  • b
    Explain nuclear fission and describe the working, design, and safety features of a nuclear reactor
  • c
    Explain different generations of solar cells (first, second, and third generation) with their advantages and limitations
  • d
    Define hydropower. Explain the basic principles of fluid dynamics and power generation in wind energy
  • e
    Explain nuclear radiation, fuel cycles, waste management, and issues of proliferation. (SEM. IV) THEORY EXAMINATION 2025-26 ENERGY SCIENCE & ENGINEERING
Section CAttempt any one part of the following: 07 x 1 = 07
  • a
    Explain entropy, temperature, and their significance in thermodynamic systems
  • b
    What is phase change energy conversion? Discuss solid-state phenomena, including photo, thermal, and electrical aspects
  • a
    What is the nuclear force? Discuss the basic concepts of quantum mechanics relevant to nuclear physics
  • b
    What is half-life? Discuss reactor safety, operation, and control mechanisms
  • a
    Describe the basic physics of semiconductors, including carrier transport, generation, and recombination
  • b
    Explain the working principle of solar photovoltaic devices and discuss different generations of solar cells
  • a
    What are the renewable energy resources? Explain geothermal power and ocean thermal energy conversion systems
  • b
    What are the different biological energy sources? Discuss biological energy sources and fossil fuels, including their advantages and limitations
  • a
    Explain the concept of green buildings, LEED ratings, and embodied energy analysis in achieving sustainability
  • b
    What is sustainability? Discuss embodied energy analysis and its role in sustainability assessment

Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.

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