Chemical Engineering Thermodynamics When a gas in a vessel expands, its internal energy decreases. The process involved is Isothermal Irreversible Adiabatic Reversible Isothermal Irreversible Adiabatic Reversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ? It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils None of these Its vapor pressure at the condenser temperature should be very high It should be non-explosive It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils None of these Its vapor pressure at the condenser temperature should be very high It should be non-explosive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The second law of thermodynamics states that None of these The energy change of a system undergoing any reversible process is zero 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 None of these The energy change of a system undergoing any reversible process is zero 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 A gas mixture of three components is brought in contact with a dispersion of an organic phase in water. The degree of freedom of the system are 6 3 4 5 6 3 4 5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Increases Decreases linearly Remains unchanged Decreases Increases Decreases linearly Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the degree of freedom for two mis-cible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope? 3 2 1 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
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