Chemical Engineering Thermodynamics Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature. Remains constant Increases Decreases Decreases logarithmically Remains constant Increases Decreases Decreases logarithmically ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following processes can not be made reversible even under ideal condition of operation? All of these Compression of air in a compressor Free expansion of a gas Expansion of steam in a turbine All of these Compression of air in a compressor Free expansion of a gas Expansion of steam in a turbine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the value of ln y (where y = activity co-efficient) for ideal gases? Negative Infinity Zero Unity Negative Infinity Zero Unity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ? Expansion valve Condenser Refrigerator Compressor Expansion valve Condenser Refrigerator Compressor ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which one is true for a throttling process? The inversion temperature is same for all gases The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity A gas may have more than one inversion temperatures The inversion temperature is different for different gases The inversion temperature is same for all gases The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity A gas may have more than one inversion temperatures The inversion temperature is different for different gases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)? Freon Methyl chloride Liquid sulphur dioxide Ammonia Freon Methyl chloride Liquid sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
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