Chemical Engineering Thermodynamics At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is Zero One Negative Infinity Zero One Negative Infinity 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 It should be non-explosive Its vapor pressure at the condenser temperature should be very high It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils None of these It should be non-explosive Its vapor pressure at the condenser temperature should be very high ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) μ° + T lnf μ° + R/T lnf μ° + RT ln f μ°+ R lnf μ° + T lnf μ° + R/T lnf μ° + RT ln f μ°+ R lnf ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be Halved Same Doubled One fourth of its original value Halved Same Doubled One fourth of its original value ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following processes can not be made reversible even under ideal condition of operation? Compression of air in a compressor All of these Expansion of steam in a turbine Free expansion of a gas Compression of air in a compressor All of these Expansion of steam in a turbine Free expansion of a gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T₁ and T₂ is given by T₁/(T₁-T₂) T₁/T₂ T₂/R1 T₂/(T₁-T₂) T₁/(T₁-T₂) T₁/T₂ T₂/R1 T₂/(T₁-T₂) ANSWER DOWNLOAD EXAMIANS APP
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