B.TechSemester 32023-24ThermodynamicsBME301
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Thermodynamics (BME301) - AKTU Question Paper 2023-24

B.Tech · Semester 3 · Free PDF Download

This is the official AKTU Thermodynamics Previous Year Question Paper for B.Tech Semester 3, academic session 2023-24. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 3
Session:2023-24
University:AKTU / UPTU

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Questions Asked in 2023-24

Thermodynamics (BME301) — complete question paper · 70 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 7 = 14
  • a
    Define System, Surrounding, B oundaries and Universe. 2 1
  • b
    Explain Zeroth law of thermodynami cs with its application. 2 1
  • c
    Differentiate between work and heat. 2 2
  • d
    Explain about PMM-I. 2 2
  • e
    Differentiate between Reversible and irreversible processes. 2 3
  • f
    Explain Available and una vailable energy. 2 4
  • g
    Explain triple point w ith diagram. 2 5
Section BAttempt any three o f t h e f o l l o w i n g : 7 x 3 = 21
  • a
    A temperature scale of certa in thermometer is given by the relation where a and b are constants and p is the thermometric property of the fluid in the thermometer. If at the ice point and steam point t he thermometric properties are found to be 1.5 and 7.5 respectivel y what will be the temperature corres ponding to the thermometric prope rty of 3.5 on Celsius scale
  • b
    Explain First Law for closed system. Also derive Work and He at Transfer relation in adiabatic process
  • c
    Derive the entropy change of pur e substance in adiabatic processes. 7 3
  • d
    Define the co-efficient of : (i) Volume expansion (ii) Isothermal compressibility (iii) Adiabatic compressibilit
  • e
    Explain the method of measurem ent of dryness fraction. 7 5
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 7 x 1 = 7
  • a
    Explain Macroscopic and Micr oscopic viewpoints of thermodyna mics also explain Concept of Continuum
  • b
    Steam at a 6.87 bar, 205°C, enters in an insulated nozzle wi th a velocity of 50 m/s. It leaves at a pressure of 1.37 bar and a velocity of 500 m/s. Determine the final enthalpy of steam
  • a
    0.2 m 3 of air at 4 bar and 130°C is contained in a system. A reversible adiabatic expansion takes place till the pressure falls to 1.02 bar. The gas is then heated at constant pressu re till enthalpy increases by 72.5 kJ. Calculate the work done. Take cp = 1 kJ/k
  • g
    K, cv = 0.714 kJ/kg K
  • b
    Derive Steady Flow Energy Equation and apply it to throttlin g device and pump
  • a
    State Kelvin Planck and Clausius statements of second law of thermodynamics and justify equivalence of the two statements
  • b
    A fish freezing plant requires 40 tons of refrigeration. The freezing temperature is –35°C while the ambient temperature is 30°C. If the performance of the plant is 20% of the theoretical reversed Car not cycle working within the same temperature limits, calculate the power required
  • a
    Explain Helmholtz & Gi bb’s function in detail. 7 4
  • b
    1 kg of ice at 0°C is mixed w ith 12 kg of water at 27°C. Assuming the surrounding temperature as 15°C, calculate the net increase in entropy and unavailable energy when the system reaches common temperature : Given : Specific heat of water = 4.18 kJ/kg K ; specific heat o f ice = 2.1 kJ/kg K and enthalpy of fusion of ice (latent heat) = 333.5 kJ/kg
  • a
    Write notes on following ter ms related to water/steam
  • 1
    Dryness fraction and its relation
  • 2
    Sub cooled liquid and its enthalpy
  • 3
    Superheated steam and its enthalp
  • b
    Explain simple Rankine cycle and derive its efficiency relation. 7 5

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 — BME301

Questions that appeared in more than one session, found by comparing 2 years of Thermodynamics papers (2023-24, 2025-26)

2x

Derive Steady Flow Energy Equation and apply it to throttlin g device and pump

Appeared in: 2023-24 · 2025-26

2x

State Kelvin Planck and Clausius statements of second law of thermodynamics and justify equivalence of the two statements

Appeared in: 2023-24 · 2025-26

Thermodynamics — Other Year Papers

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