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 In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent. 1 0.5 0.75 0.25 1 0.5 0.75 0.25 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical compressibility factor for all substances None of these Vary as square of the absolute pressure Vary as square of the absolute temperature Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute pressure Vary as square of the absolute temperature Are more or less constant (vary from 0.2 to 0.3) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a spontaneous process, free energy Increases Decreases whereas the entropy increases Is zero And entropy both decrease Increases Decreases whereas the entropy increases Is zero And entropy both decrease ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of T T, P and Z T and Z T and P T T, P and Z T and Z T and P ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An irreversible process Yields the maximum amount of work Yields an amount of work less than that of a reversible process Is the analog of linear frictionless motion in machines Is an idealised visualisation of behaviour of a system Yields the maximum amount of work Yields an amount of work less than that of a reversible process Is the analog of linear frictionless motion in machines Is an idealised visualisation of behaviour of a system ANSWER DOWNLOAD EXAMIANS APP
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