Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are NH₃ or CO₂ Freon-12 Propane Ethyl chloride or methyle chloride NH₃ or CO₂ Freon-12 Propane Ethyl chloride or methyle chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is 300(35/7) 300(33/7) 300(33/5) 300(32/7) 300(35/7) 300(33/7) 300(33/5) 300(32/7) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity and pressure are numerically equal, when the gas is At high pressure At low temperature In standard state In ideal state At high pressure At low temperature In standard state In ideal state ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy All of these Remains unchanged in reversible processes carried at constant temperature and pressure Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes All of these Remains unchanged in reversible processes carried at constant temperature and pressure Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp of a gas at its critical temperature and pressure Equals 1 kcal/kmol °K Becomes infinity Becomes zero Equals 0.24 kcal/kmol °K Equals 1 kcal/kmol °K Becomes infinity Becomes zero Equals 0.24 kcal/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following liquid metals has the highest thermal conductivity? Molten lead Molten sodium Molten potassium Mercury Molten lead Molten sodium Molten potassium Mercury ANSWER DOWNLOAD EXAMIANS APP