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Applied Chemical Thermodynamics Universities Previous Papers

Applied Chemical Thermodynamics Universities Previous Papers

Applied Chemical Thermodynamics Universities Past Papers

Applied Chemical Thermodynamics Universities Past Papers

Q.1      Attempt the following MCQs:                                                                                                7*2=14           

  1. Heat Pump __________ _A: accomplishes only space heating in winter. B: accomplishes only space cooling in summer C: accomplishes both (a) and (b). D: works on the Carnot cycle.
  2. Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work. A: Isothermal B: Isentropic C: adiabatic D: none of these
  • Heat of reaction at constant volume is identified with __________ change. A: enthalpy B: internal energy C: either A or B,   D: neither A nor B.
  1. Throttling process is a/an __________ process. A: reversible and isothermal B: irreversible and constant enthalpy  C: reversible and constant entropy D: reversible and constant enthalpy
  2. A reduced pressure of a gas is the ratio of it’s A: pressure to critical pressure B: critical pressure to pressure C: pressure to pseudo critical pressure D: pseudocritical pressure to pressure.
  3. The ideal gas law is applicable at A: low T, low P B: high T, high P C: low T, high P D: high T, low P
  • Specific __________ does not change during phase change at constant temperature and pressure.

A: internal energy B: entropy C: Gibbs energy D: enthalpy

Question No: 02                                                                                                                                             8+6

  1. Write seven key points of Kinetic theory of Gases, also explain possible diagram of Gases molecule collision.
  2. Define the following systems of Thermodynamics A: Open System B: Close system C: Isolated System.

Question No: 03                                                                                                                                             8+6

  1. Write short notes on Phase rule and Phase Equilibrium of Liquid- vapors system.
  2. Explain Enthalpy of the formation with the mathematical relation.

Question No: 04                                                                                                                                             8+6

  1. Explain isentropic process in Nozzle and Derive nozzle efficiency equation.
  2. Define Bond dissociation energy and mean bond energy.

Question No: 05                                                                                                                                             4+10

  1. Define Reversible and Irreversible Process with practical example.
  2. Explain the Second Law of Thermodynamics with the example of Refrigeration.

Question No: 06                                                                                                                                             7+7

  1. Define Polytropic system.
  2. Describe three cases of polytropic for (i) n= 1 (ii) n= 0 (iii) n>0

Question No: 07 Write short notes on any two of the following:                                                              7+7=14

  1. Demonstrate Effect of temperature on the equilibrium constant.
  2. Define Heat Pump Cycles and its coefficient of performance.
  3. Define the internal combustion engine and jet engine with label diagram.
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