Chemical Engineering Thermodynamics Which one is true for a throttling process? A gas may have more than one inversion temperatures The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity The inversion temperature is same for all gases The inversion temperature is different for different gases A gas may have more than one inversion temperatures The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity The inversion temperature is same for all gases The inversion temperature is different for different gases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are 1 3 2 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Domestic refrigerator usually works on the __________ refrigeration cycle. Absorption Vapour-ejection Carnot Air Absorption Vapour-ejection Carnot Air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (∂V/∂S)P = (∂T/∂P)S (∂S/∂V)T = (∂P/∂T)V (∂T/∂V)S = -(∂P/∂S)V (∂S/∂P)T = -(∂V/∂T)P (∂V/∂S)P = (∂T/∂P)S (∂S/∂V)T = (∂P/∂T)V (∂T/∂V)S = -(∂P/∂S)V (∂S/∂P)T = -(∂V/∂T)P ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole . °K 100 50 ∞ 100 50 ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Vapour-compression process with a reversible expansion engine Reverse Carnot cycle Air refrigeration cycle Ordinary vapour-compression cycle Vapour-compression process with a reversible expansion engine Reverse Carnot cycle Air refrigeration cycle Ordinary vapour-compression cycle ANSWER DOWNLOAD EXAMIANS APP
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