Chemical Engineering Thermodynamics The second law of thermodynamics states that The total energy of system and surrounding remains the same None of these The energy change of a system undergoing any reversible process is zero It is not possible to transfer heat from a lower temperature to a higher temperature The total energy of system and surrounding remains the same None of these The energy change of a system undergoing any reversible process is zero It is not possible to transfer heat from a lower temperature to a higher temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a system is in equilibrium for all possible processes, the differential or finite change of entropy is None of these > 0 = 0 < 0 None of these > 0 = 0 < 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in An open system with changes in composition A closed system of constant composition An open system of constant composition A closed system with changes in composition An open system with changes in composition A closed system of constant composition An open system of constant composition A closed system with changes in composition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Zero Negative Infinity Positive Zero Negative Infinity Positive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of formation of an element in its standard state is > 0 < 0 A function of pressure > 0 < 0 A function of pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The number of degree of freedom for an azeotropic mixture of ethanol and water in vapour-liquid equilibrium, is 1 3 2 0 1 3 2 0 ANSWER DOWNLOAD EXAMIANS APP