Chemical Engineering Thermodynamics Gibbs free energy at constant pressure and temperature under equilibrium conditions is Minimum ∞ Maximum Minimum ∞ Maximum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Choose the condition that must be specified in order to liquify CO₂ (triple point for CO₂ is - 57°C and 5.2 atm). Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fundamental principle of refrigeration is based on the __________ law of thermodynamics. First Third Zeroth Second First Third Zeroth Second ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Sound waves propagation in air exemplifies an __________ process. Adiabatic Isometric Isothermal None of these Adiabatic Isometric Isothermal None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of a close thermodynamic system, there is __________ across the boundaries. No heat and mass transfer Mass and energy transfer None of these No mass transfer but heat transfer No heat and mass transfer Mass and energy transfer None of these No mass transfer but heat transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always > 2 < 3 > 1 < 1 > 2 < 3 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
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