Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it None of these Transfers heat from high temperature to low temperature Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning None of these Transfers heat from high temperature to low temperature Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The principle applied in liquefaction of gases is Both A and B Joule-Thomson effect Adiabatic expansion Neither A nor B Both A and B Joule-Thomson effect Adiabatic expansion Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy Remains unchanged in reversible processes carried at constant temperature and pressure Decreases in all spontaneous (or irreversible) processes Change during a spontaneous process has a negative value All of these Remains unchanged in reversible processes carried at constant temperature and pressure Decreases in all spontaneous (or irreversible) processes Change during a spontaneous process has a negative value All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is Data insufficient, can't be predicted Equal Less pronounced More pronounced Data insufficient, can't be predicted Equal Less pronounced More pronounced 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 ∝ V, at constant temperature & mass of the gas P ∝ 1/V, when temperature is constant P/V = constant, for any gas P ∝ 1/V, when temperature & mass of the gas remain constant P ∝ V, at constant temperature & mass of the gas P ∝ 1/V, when temperature is constant P/V = constant, for any gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them. This is __________ law. None of these Kirchoff's Hess's Lavoisier and Laplace None of these Kirchoff's Hess's Lavoisier and Laplace ANSWER DOWNLOAD EXAMIANS APP
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