Chemical Engineering Thermodynamics Free energy Decreases in all spontaneous (or irreversible) processes Change during a spontaneous process has a negative value Remains unchanged in reversible processes carried at constant temperature and pressure All of these Decreases in all spontaneous (or irreversible) processes Change during a spontaneous process has a negative value Remains unchanged in reversible processes carried at constant temperature and pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. High viscosity Low freezing point High thermal conductivity Large latent heat of vaporisation High viscosity Low freezing point High thermal conductivity Large latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compound having large heat of formation is Either more or less stable ; depends on the compound Not at all stable (like nascent O₂) Less stable More stable Either more or less stable ; depends on the compound Not at all stable (like nascent O₂) Less stable More stable ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Dryness fraction of wet steam is defined as the ratio of mass of vapour in the mixture to the mass of mixture __________ calorimeter is not used for measuring the dryness fraction of steam. Bomb Bucket Throttling Separating Bomb Bucket Throttling Separating ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The third law of thermodynamics states that the Heat transfer from low temperature to high temperature source is not possible without external work Gases having same reduced properties behave similarly None of these Heat capacity of a crystalline solid is zero at absolute zero temperature Heat transfer from low temperature to high temperature source is not possible without external work Gases having same reduced properties behave similarly None of these Heat capacity of a crystalline solid is zero at absolute zero temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 1m³ of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be 154 K 174 K 274 K 35 K 154 K 174 K 274 K 35 K ANSWER DOWNLOAD EXAMIANS APP
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