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 reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are 3 1 2 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an irreversible process Tds - dT + dW< 0 Tds = dE - dW = 0 DE - dW - Tds = 0 Tds - dE + dW< 0 Tds - dT + dW< 0 Tds = dE - dW = 0 DE - dW - Tds = 0 Tds - dE + dW< 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is (T₁ - T₂)/T₂ T₁/(T₁ - T₂) (T₁ - T₂)/T₁ T₂/(T₁ - T₂) (T₁ - T₂)/T₂ T₁/(T₁ - T₂) (T₁ - T₂)/T₁ T₂/(T₁ - T₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when N = 0 N = 1.66 N = 1 N = y = 1.4 N = 0 N = 1.66 N = 1 N = y = 1.4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The necessary and sufficient condition for equilibrium between two phases is The pressure should be same in the two phases The chemical potential of each component should be same in the two phases The concentration of each component should be same in the two phases The temperature of each phase should be same The pressure should be same in the two phases The chemical potential of each component should be same in the two phases The concentration of each component should be same in the two phases The temperature of each phase should be same ANSWER DOWNLOAD EXAMIANS APP
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