40 TOP Chemical Engineering Thermodynamics Online Test – Multiple Choice Questions and Answers

1. A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount”. This is


2. One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is


3. For spontaneous changes in an isolated system (S = entropy)


4. For organic compounds, group contribution method can be used for the estimation of


5. When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is


6. The work done in isothermal compression compared to that in adiabatic compression will be


7. A solid is transformed into vapour without going to the liquid phase at


8. Which one is true for a throttling process ?


9. First law of thermodynamics deals with the


10. Enthalpy changes over a constant pressure path are always zero for __________ gas


Question 1 of 10

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