Chemical Engineering Thermodynamics Which of the following is not a reversible process ? Solution of NaCl in water at 50°C None of these Expansion of an ideal gas against constant pressure Atmospheric pressure vaporisation of water at 100°C Solution of NaCl in water at 50°C None of these Expansion of an ideal gas against constant pressure Atmospheric pressure vaporisation of water at 100°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigerator works on the principle of __________ law of thermodynamics. Third Zeroth Second First Third Zeroth Second First ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In Joule-Thomson porous plug experiment, the Enthalpy does not remain constant Temperature remains constant None of these Entire apparatus is exposed to surroundings Enthalpy does not remain constant Temperature remains constant None of these Entire apparatus is exposed to surroundings ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Vapor compression cycle using expansion engine Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion valve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy change of mixing two liquid substances is a function of the All of these Quantities of the constituents only Temperature only Concentration of the constituents only All of these Quantities of the constituents only Temperature only Concentration of the constituents only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning None of these Transfers heat from high temperature to low temperature Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning None of these Transfers heat from high temperature to low temperature ANSWER DOWNLOAD EXAMIANS APP