Chemical Engineering Thermodynamics When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the Kopp's rule Le-Chatelier principle Arrehenius hypothesis Law of corresponding state Kopp's rule Le-Chatelier principle Arrehenius hypothesis Law of corresponding state ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Carnot refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is a thermodynamic property of a system? Temperature Concentration Entropy Mass Temperature Concentration Entropy Mass ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which Two liquids are completely separated into two layers A homogeneous solution (say of phenol water) is formed Mutual solubility of the two liquids shows a decreasing trend None of these Two liquids are completely separated into two layers A homogeneous solution (say of phenol water) is formed Mutual solubility of the two liquids shows a decreasing trend None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process. Isothermal Isobaric None of these Adiabatic Isothermal Isobaric None of these Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor? 3 2 0 1 3 2 0 1 ANSWER DOWNLOAD EXAMIANS APP
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