Next Page

Previous Page

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 Gase’s 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 a 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.

Next Page

Previous Page