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 The energy change of a system undergoing any reversible process is zero The total energy of system and surrounding remains the same None of these 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 The total energy of system and surrounding remains the same None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it None of these Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning Transfers heat from high temperature to low temperature None of these Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning Transfers heat from high temperature to low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigeration cycles, which one has maximum COP? Ordinary vapor compression cycle Carnot cycle Air cycle Vapor compression with a reversible expansion engine Ordinary vapor compression cycle Carnot cycle Air cycle Vapor compression with a reversible expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy (F) is defined as F = E + TS F = E - TS F = H - TS F = H + TS F = E + TS F = E - TS F = H - TS F = H + TS ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a working refrigerator, the value of COP is always < 0 > 1 < 1 < 0 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Joule-Thomson experiment is Both B & C Isenthalpic Adiabatic Isobaric Both B & C Isenthalpic Adiabatic Isobaric ANSWER DOWNLOAD EXAMIANS APP