Chemical Engineering Thermodynamics The third law of thermodynamics states that the Gases having same reduced properties behave similarly Heat transfer from low temperature to high temperature source is not possible without external work Heat capacity of a crystalline solid is zero at absolute zero temperature None of these Gases having same reduced properties behave similarly Heat transfer from low temperature to high temperature source is not possible without external work Heat capacity of a crystalline solid is zero at absolute zero temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an ideal gas, the internal energy depends upon its __________ only. Volume Pressure Molecular size Temperature Volume Pressure Molecular size Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The chemical potential for a pure substance is __________ its partial molal free energy. Equal to Not related to Less than More than Equal to Not related to Less than More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Throttling process is a/an __________ process. Reversible and constant entropy Reversible and constant enthalpy Reversible and isothermal Irreversible and constant enthalpy Reversible and constant entropy Reversible and constant enthalpy Reversible and isothermal Irreversible and constant enthalpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are Propane Ethyl chloride or methyle chloride NH₃ or CO₂ Freon-12 Propane Ethyl chloride or methyle chloride NH₃ or CO₂ Freon-12 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Decreased COP Increased COP Same COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP Increased COP Same COP Increased or decreased COP ; depending upon the type of refrigerant ANSWER DOWNLOAD EXAMIANS APP