Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)? Air cycle Ordinary vapour compression cycle Vapour compression with a reversible expansion engine Carnot cycle Air cycle Ordinary vapour compression cycle Vapour compression with a reversible expansion engine Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics No work is done by the system, when a reaction occurs at constant None of these Pressure Temperature Volume None of these Pressure Temperature Volume 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 Ax₁² A . x₂² Ax₁ Ax₂ Ax₁² A . x₂² Ax₁ Ax₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Temperature is constant Pressure is constant Heating takes place Cooling takes place Temperature is constant Pressure is constant Heating takes place Cooling takes place ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics PVy = constant, holds good for an isentropic process, which is Reversible and isothermal Isothermal and irreversible Adiabatic and irreversible Reversible and adiabatic Reversible and isothermal Isothermal and irreversible Adiabatic and irreversible Reversible and adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature. Minus infinity Zero Infinity None of these Minus infinity Zero Infinity None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS