Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system U decreases but S is constant U is constant but S decreases Its internal energy (U) decreases and its entropy (S) increases U and S both decreases U decreases but S is constant U is constant but S decreases Its internal energy (U) decreases and its entropy (S) increases U and S both decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is -ve +ve ∞ -ve +ve ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The first law of thermodynamics is a restatement of the law of conservation of None of these Mass Momentum Energy None of these Mass Momentum Energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a homogeneous solution, the activity co-efficient of a component depends upon the Composition Pressure Temperature All of these Composition Pressure Temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Negative Positive May be positive or negative Zero Negative Positive May be positive or negative Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is the same as a __________ cycle, None of these Heat engine Reversed heat engine Turbine None of these Heat engine Reversed heat engine Turbine ANSWER DOWNLOAD EXAMIANS APP