Chemical Engineering Thermodynamics A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature. Less than or equal to Equal to or higher than Less than More than Less than or equal to Equal to or higher than Less than More than 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. Cooling Simultaneous pressure & temperature change Heating Both B and C Cooling Simultaneous pressure & temperature change Heating Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will Increase Decrease Remain unaltered Increase or decrease ; depends on the particular reaction Increase Decrease Remain unaltered Increase or decrease ; depends on the particular reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be 5.2 6.2 Data insufficient, can't be found out 0.168 5.2 6.2 Data insufficient, can't be found out 0.168 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Cooling of a real gas Heating of an ideal gas Expansion of a real gas Reversible isothermal volume change Cooling of a real gas Heating of an ideal gas Expansion of a real gas Reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is More in vapour phase More in liquid phase Same in both the phases Replaced by chemical potential which is more in vapour phase More in vapour phase More in liquid phase Same in both the phases Replaced by chemical potential which is more in vapour phase ANSWER DOWNLOAD EXAMIANS APP
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