Chemical Engineering Thermodynamics Third law of thermodynamics is concerned with the Energy transfer None of these Direction of energy transfer Value of absolute entropy Energy transfer None of these Direction of energy transfer Value of absolute entropy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Heating Simultaneous pressure & temperature change Cooling Both B and C Heating Simultaneous pressure & temperature change Cooling Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which one is true for a throttling process? The inversion temperature is same for all gases The inversion temperature is different for different gases The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity A gas may have more than one inversion temperatures The inversion temperature is same for all gases The inversion temperature is different for different gases The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity A gas may have more than one inversion temperatures ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The second law of thermodynamics states that The energy change of a system undergoing any reversible process is zero It is not possible to transfer heat from a lower temperature to a higher temperature None of these The total energy of system and surrounding remains the same The energy change of a system undergoing any reversible process is zero It is not possible to transfer heat from a lower temperature to a higher temperature None of these The total energy of system and surrounding remains the same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The chemical potential for a pure substance is __________ its partial molal free energy. More than Not related to Equal to Less than More than Not related to Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is 4364.9 10373 4988.4 30554 4364.9 10373 4988.4 30554 ANSWER DOWNLOAD EXAMIANS APP
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