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). Pressure must be kept below 5.2 atm. and 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 Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm. and 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 Temperature must be kept above - 57°C ANSWER DOWNLOAD EXAMIANS APP
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. Decreases Remains constant Increases Decreases logarithmically Decreases Remains constant Increases Decreases logarithmically ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Enthalpy of a gas depends upon its Temperature Volume Mass Pressure Temperature Volume Mass Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is Ax₂ A . x₂² Ax₁² Ax₁ Ax₂ A . x₂² Ax₁² Ax₁ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when N = 1 N = 1.66 N = 0 N = y = 1.4 N = 1 N = 1.66 N = 0 N = y = 1.4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not an equation of state? Clausius Clayperon equation Bertholet equation Beattie-Bridgeman equation None of these Clausius Clayperon equation Bertholet equation Beattie-Bridgeman equation None of these ANSWER DOWNLOAD EXAMIANS APP