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Chemical engineering Thermodynamics-I — Minor 1 2023 question paper

MMMUT Chemical Engineering previous year question paper for Chemical engineering Thermodynamics-I (BCH-201), semester 3, Minor 1 2023. All 8 questions are listed below, each with a written answer on Nexsus.

Paper details

  • Subject: Chemical engineering Thermodynamics-I (BCH-201)
  • Branch: Chemical Engineering
  • Semester: 3
  • Exam: Minor 1 2023
  • Questions: 8

Questions asked in Chemical engineering Thermodynamics-I Minor 1 2023

  1. Q1(a). A vessel of 2.5 m^3 capacity contains 1 kg mole of nitrogen at 100 deg Cel. Determine the final pressure if subsequently the gas is cooled to 25 deg cel at atmospheric temperature and internal energy and enthalpy if ratio of specific heat is 1.4. [5 marks]
  2. Q1(b). Derive work done for adiabatic process. Assume necessary [3 marks]
  3. Q1(c). Differentiate between path and state function, extensive and intensive property, reversible and irreversible process in thermodynamic. [3 marks]
  4. Q2(b). Calculate the heat of reaction at 500 K A + 3B ⇌ C Data given heat of reaction at 300 k and 1 atm for above reaction is -200 KJ/mol of A converted. Molar heat capacities at constant pressure in KJ/mol for various component are: CpA = -0.0017 + 0.00034 T; CPB = 0.03 and CPC = 0.1 [4 marks]
  5. Q2(b). A cylinder of volume capacity 0.1 m^3 is filled with 1.35 kg of ammonia at 2 Mpa pressure Using Van der Waal's equation of state, determine the temperature at which ammonia exists in the cylinder. The Van der Waals constants for ammonia are: a = 422.55 × 10^-3 Pa(m^3/mol)^2 and b = 37 × 10^-6 m^3/mol Compare the resultant obtained if ammonia is treated as ideal gas. [3 marks]
  6. Q2(c). Write the continuity and steady state flow energy equation for open flow system? [3 marks]
  7. QQ1. Attempt any Two parts of the following. Q. 1(a) is compulsory.
  8. QQ2. A non-flow reversible process occurs for which pressure and volume are correlated by the expression p = (V^2 + 6/V) where p is in bar and V is in m^3. What amount of work will be done when volume changes from 2 to 4 m^3?