Chemical Engineering Thermodynamics When a system is in equilibrium for all possible processes, the differential or finite change of entropy is = 0 < 0 > 0 None of these = 0 < 0 > 0 None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will Decrease Increase Remain unchanged First fall and then rise Decrease Increase Remain unchanged First fall and then rise ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ? Refrigerator Expansion valve Compressor Condenser Refrigerator Expansion valve Compressor Condenser ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Work done in case of free expansion is Zero None of these Negative Indeterminate Zero None of these Negative Indeterminate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg . K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is Superheated vapour Saturated vapour Partially condensed vapour with quality of 0.9 Partially condensed vapour with quality of 0.1 Superheated vapour Saturated vapour Partially condensed vapour with quality of 0.9 Partially condensed vapour with quality of 0.1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (∂S/∂V)T = (∂P/∂T)V (∂T/∂V)S = -(∂P/∂S)V (∂V/∂S)P = (∂T/∂P)S (∂S/∂P)T = -(∂V/∂T)P (∂S/∂V)T = (∂P/∂T)V (∂T/∂V)S = -(∂P/∂S)V (∂V/∂S)P = (∂T/∂P)S (∂S/∂P)T = -(∂V/∂T)P ANSWER DOWNLOAD EXAMIANS APP