Chemical Engineering Thermodynamics Joule-Thomson effect i.e., a throttling process is a constant __________ process. Entropy Temperature Enthalpy Internal energy Entropy Temperature Enthalpy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical compressibility factor for all substances None of these Vary as square of the absolute pressure Vary as square of the absolute temperature Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute pressure Vary as square of the absolute temperature Are more or less constant (vary from 0.2 to 0.3) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change During heating of an ideal gas Under reversible isothermal volume change With pressure changes at constant temperature During cooling of an ideal gas During heating of an ideal gas Under reversible isothermal volume change With pressure changes at constant temperature During cooling of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is affected by the temperature? All of these Activity co-efficient Free energy Fugacity All of these Activity co-efficient Free energy Fugacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Positive Negative Zero May be positive or negative Positive Negative Zero May be positive or negative 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 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 Decreased COP Increased COP ANSWER DOWNLOAD EXAMIANS APP
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