Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Positive May be positive or negative Zero Negative Positive May be positive or negative Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Claude gas liquefaction process employs cooling By expansion in an engine At constant pressure None of these By throttling By expansion in an engine At constant pressure None of these By throttling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Ideal refrigeration cycle is Same as reverse Carnot cycle Dependent on the refrigerant's properties The least efficient of all refrigeration processes Same as Carnot cycle Same as reverse Carnot cycle Dependent on the refrigerant's properties The least efficient of all refrigeration processes Same as Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will Decrease Increase First fall and then rise Remain unchanged Decrease Increase First fall and then rise Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Number of phases in a colloidal system are 1 2 4 3 1 2 4 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compound having large heat of formation is Either more or less stable ; depends on the compound Not at all stable (like nascent O₂) More stable Less stable Either more or less stable ; depends on the compound Not at all stable (like nascent O₂) More stable Less stable ANSWER DOWNLOAD EXAMIANS APP
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