Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is May be positive or negative Negative Positive Zero May be positive or negative Negative Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas in a vessel expands, its internal energy decreases. The process involved is Irreversible Isothermal Reversible Adiabatic Irreversible Isothermal Reversible Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is true for Virial equation of state? Virial co-efficients are function of temperature only Virial co-efficients are universal constants For some gases, Virial equations and ideal gas equations are the same Virial co-efficients Virial co-efficients are function of temperature only Virial co-efficients are universal constants For some gases, Virial equations and ideal gas equations are the same Virial co-efficients ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be 6.2 5.2 Data insufficient, can't be found out 0.168 6.2 5.2 Data insufficient, can't be found out 0.168 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The second law of thermodynamics states that The energy change of a system undergoing any reversible process is zero None of these The total energy of system and surrounding remains the same It is not possible to transfer heat from a lower temperature to a higher temperature The energy change of a system undergoing any reversible process is zero None of these The total energy of system and surrounding remains the same It is not possible to transfer heat from a lower temperature to a higher temperature 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 An open system of constant composition A closed system of constant composition A closed system with changes in composition An open system with changes in composition An open system of constant composition A closed system of constant composition A closed system with changes in composition ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS