Chemical Engineering Thermodynamics For an ideal liquid solution, which of the following is unity? Fugacity co-efficient Activity co-efficient Activity Fugacity Fugacity co-efficient Activity co-efficient Activity Fugacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Melting of wax is accompanied with __________ in entropy. No change Increase Decrease None of these No change Increase Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity of a component in an ideal gas mixture is euqal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at contant pressure and temperature __________ as its mole fraction increases. Increases Decreases Decreases exponentially Remains constant Increases Decreases Decreases exponentially Remains constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an ideal refrigeration cycle, the change in internal energy of the fluid is -ve +ve Either of the above three ; depends on the nature of refrigerant -ve +ve Either of the above three ; depends on the nature of refrigerant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. Low freezing point High thermal conductivity Large latent heat of vaporisation High viscosity Low freezing point High thermal conductivity Large latent heat of vaporisation High viscosity 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. Both B and C Heating Cooling Simultaneous pressure & temperature change Both B and C Heating Cooling Simultaneous pressure & temperature change ANSWER DOWNLOAD EXAMIANS APP
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