Chemical Engineering Thermodynamics The second law of thermodynamics states that 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigeration capacity of a household refrigerator may be round about __________ tons. 0.15 6.5 4.5 1.5 0.15 6.5 4.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will Remain unaltered Increase Increase or decrease ; depends on the particular reaction Decrease Remain unaltered Increase Increase or decrease ; depends on the particular reaction Decrease ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes. Reaction mechanism Calculation of rates None of these Energy transformation from one form to the another Reaction mechanism Calculation of rates None of these Energy transformation from one form to the another ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics All gases during throttling process at atmospheric temperature and pressure show a cooling effect except O₂ N₂ H₂ CO₂ O₂ N₂ H₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics High pressure steam is expanded adiabati-cally and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process: Δ H = 0 and ΔS ≠ 0 Δ H = 0 and ΔS = 0 Δ H ≠ 0 and ΔS = 0 Δ H ≠ 0 and ΔS ≠ 0 Δ H = 0 and ΔS ≠ 0 Δ H = 0 and ΔS = 0 Δ H ≠ 0 and ΔS = 0 Δ H ≠ 0 and ΔS ≠ 0 ANSWER DOWNLOAD EXAMIANS APP
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