Chemical Engineering Thermodynamics What is the degree of freedom for two mis-cible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope? 1 2 3 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a cyclic process, a fixed ratio between heat and work Never exists Always exists Is difficult to predict May exist Never exists Always exists Is difficult to predict May exist ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity is a measure of the Behaviour of ideal gases Escaping tendencies of the same substance in different phases of a system None of these Relative volatility of a mixture of two miscible liquids Behaviour of ideal gases Escaping tendencies of the same substance in different phases of a system None of these Relative volatility of a mixture of two miscible liquids 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? Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle 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 Increased or decreased COP ; depending upon the type of refrigerant Same COP Decreased COP Increased COP Increased or decreased COP ; depending upon the type of refrigerant Same COP ANSWER DOWNLOAD EXAMIANS APP
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 Le-Chatelier principle Law of corresponding state Kopp's rule Arrehenius hypothesis Le-Chatelier principle Law of corresponding state Kopp's rule Arrehenius hypothesis ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS