Chemical Engineering Thermodynamics The thermodynamic law, PVy = constant, is not applicable in case of Adiabatic compression of a perfect gas Free expansion of an ideal gas Adiabatic expansion of steam in a turbine Ideal compression of air Adiabatic compression of a perfect gas Free expansion of an ideal gas Adiabatic expansion of steam in a turbine Ideal compression of air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is Same in both the phases More in liquid phase Replaced by chemical potential which is more in vapour phase More in vapour phase Same in both the phases More in liquid phase Replaced by chemical potential which is more in vapour phase More in vapour phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) μ° + T lnf μ°+ R lnf μ° + R/T lnf μ° + RT ln f μ° + T lnf μ°+ R lnf μ° + R/T lnf μ° + RT ln f 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 = 1.66 N = 1 N = y = 1.4 N = 0 N = 1.66 N = 1 N = y = 1.4 N = 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Law of corresponding states says that The surface of separation (i. e. the meniscus) between liquid and vapour phase disappears at the critical temperature , two different gases behave similarly, if their reduced properties (i.e. P, V and T) are same No gas can be liquified above the critical temperature, howsoever high the pressure may be The molar heat of energy of gas at constant volume should be nearly constant (about 3 calories) The surface of separation (i. e. the meniscus) between liquid and vapour phase disappears at the critical temperature , two different gases behave similarly, if their reduced properties (i.e. P, V and T) are same No gas can be liquified above the critical temperature, howsoever high the pressure may be The molar heat of energy of gas at constant volume should be nearly constant (about 3 calories) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp - Cv = R is valid for __________ gases. All Very low temperature Ideal Very high pressure All Very low temperature Ideal Very high pressure ANSWER DOWNLOAD EXAMIANS APP
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