Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are NH₃ or CO₂ Propane Freon-12 Ethyl chloride or methyle chloride NH₃ or CO₂ Propane Freon-12 Ethyl chloride or methyle chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The second law of thermodynamics states that The total energy of system and surrounding remains the same The energy change of a system undergoing any reversible process is zero None of these 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 The energy change of a system undergoing any reversible process is zero None of these It is not possible to transfer heat from a lower temperature to a higher temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition. Enthalpy Internal energy Helmholtz free energy Gibbs free energy Enthalpy Internal energy Helmholtz free energy Gibbs free energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Boyle's law for gases states that P ∝ V, at constant temperature & mass of the gas P ∝ 1/V, when temperature & mass of the gas remain constant P ∝ 1/V, when temperature is constant P/V = constant, for any gas P ∝ V, at constant temperature & mass of the gas P ∝ 1/V, when temperature & mass of the gas remain constant P ∝ 1/V, when temperature is constant P/V = constant, for any gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ decreases during adiabatic throttling of a perfect gas. Entropy Temperature Pressure Enthalpy Entropy Temperature Pressure Enthalpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system in which there is exchange of energy but not of mass, is called a/an __________ system. Closed Isolated Insulated Open Closed Isolated Insulated Open ANSWER DOWNLOAD EXAMIANS APP
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