Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Cooling Heating Simultaneous pressure & temperature change Both B and C Cooling Heating Simultaneous pressure & temperature change Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a homogeneous solution, the fugacity of a component depends upon the All of these Composition Pressure Temperature All of these Composition Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process. Isothermal Adiabatic None of these Isobaric Isothermal Adiabatic None of these Isobaric ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An irreversible process Yields the maximum amount of work Is the analog of linear frictionless motion in machines Yields an amount of work less than that of a reversible process Is an idealised visualisation of behaviour of a system Yields the maximum amount of work Is the analog of linear frictionless motion in machines Yields an amount of work less than that of a reversible process Is an idealised visualisation of behaviour of a system ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Boyle's law for gases states that P ∝ 1/V, when temperature & mass of the gas remain constant P ∝ 1/V, when temperature is constant P/V = constant, for any gas P ∝ V, at constant temperature & mass of the gas P ∝ 1/V, when temperature & mass of the gas remain constant P ∝ 1/V, when temperature is constant P/V = constant, for any gas P ∝ V, at constant temperature & mass of the gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Choose the condition that must be specified in order to liquify CO₂ (triple point for CO₂ is - 57°C and 5.2 atm). Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm ANSWER DOWNLOAD EXAMIANS APP