Chemical Engineering Thermodynamics With increase in compression ratio, the efficiency of the otto engine Increases Increases linearly Decreases Remains constant Increases Increases linearly Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Both B and C Cooling Heating Simultaneous pressure & temperature change Both B and C Cooling Heating Simultaneous pressure & temperature change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure All of these Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The free energy change for a chemical reaction is given by (where, K = equilibrium constant) RT lnK -RT lnK -R lnK T lnK RT lnK -RT lnK -R lnK T lnK ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following behaves most closely like an ideal gas? He N₂ H₂ O₂ He N₂ H₂ O₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be 0.168 6.2 5.2 Data insufficient, can't be found out 0.168 6.2 5.2 Data insufficient, can't be found out ANSWER DOWNLOAD EXAMIANS APP