Chemical Engineering Thermodynamics Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are Always greater than one Both B & C Same at the same reduced pressure Same at the same reduced temperature Always greater than one Both B & C Same at the same reduced pressure Same at the same reduced temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following identities can be most easily used to verify steam table data for superheated steam. (∂T/∂V)S = (∂p/∂S)V (∂V/∂T)P = -(∂S/∂P)T (∂P/∂T)V = (∂S/∂V)T (∂T/∂P)S = (∂V/∂S)P (∂T/∂V)S = (∂p/∂S)V (∂V/∂T)P = -(∂S/∂P)T (∂P/∂T)V = (∂S/∂V)T (∂T/∂P)S = (∂V/∂S)P ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The work done in an adiabatic change in a particular gas depends upon changes in the __________ only. Specific heat Pressure Temperature Volume Specific heat Pressure Temperature Volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant Cv), depends upon its Temperature All of these Volume Pressure Temperature All of these Volume Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Zero Negative May be positive or negative Positive Zero Negative May be positive or negative Positive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy Decreases in all spontaneous (or irreversible) processes All of these Change during a spontaneous process has a negative value Remains unchanged in reversible processes carried at constant temperature and pressure Decreases in all spontaneous (or irreversible) processes All of these Change during a spontaneous process has a negative value Remains unchanged in reversible processes carried at constant temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
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