Chemical Engineering Thermodynamics Co-efficient of Performance (COP) of a refrigerator is the ratio of the Work required to refrigeration obtained Refrigeration obtained to the work required Lower to higher temperature Higher to lower temperature Work required to refrigeration obtained Refrigeration obtained to the work required Lower to higher temperature Higher to lower temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is A . x₂² Ax₂ Ax₁ Ax₁² A . x₂² Ax₂ Ax₁ Ax₁² ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of None of these Transition Fusion Vaporisation None of these Transition Fusion Vaporisation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a given substance at a specified temperature, activity is __________ to fugacity. Inversely proportional Directly proportional Equal None of these Inversely proportional Directly proportional Equal None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called __________ temperature. Reduced Inversion Critical Boyle Reduced Inversion Critical Boyle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change With pressure changes at constant temperature During heating of an ideal gas Under reversible isothermal volume change During cooling of an ideal gas With pressure changes at constant temperature During heating of an ideal gas Under reversible isothermal volume change During cooling of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
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