Chemical Engineering Thermodynamics Free energy 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 Decreases in all spontaneous (or irreversible) processes All of these Change during a spontaneous process has a negative value ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When pressure is applied on the system, ice ⟷ water, then More water will be formed Evaporation of water will take place Equilibrium can not be established More ice will be formed More water will be formed Evaporation of water will take place Equilibrium can not be established More ice will be formed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp of a gas at its critical temperature and pressure Becomes infinity Equals 0.24 kcal/kmol °K Becomes zero Equals 1 kcal/kmol °K Becomes infinity Equals 0.24 kcal/kmol °K Becomes zero Equals 1 kcal/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Air refrigeration cycle Ordinary vapour-compression cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle Ordinary vapour-compression cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not an intensive property? Surface tension Chemical potential None of these Heat capacity Surface tension Chemical potential None of these Heat capacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in compression ratio, the efficiency of the otto engine Increases linearly Decreases Increases Remains constant Increases linearly Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
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