Chemical Engineering Thermodynamics The standard state of a gas (at a given temperature) is the state in which fugacity is equal to Unity Neither A nor B Both A & B Activity Unity Neither A nor B Both A & B Activity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________ liquid. Non-solidifiable Saturated None of these Subcooled Non-solidifiable Saturated None of these Subcooled ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The ammonia synthesis reaction represented by N₂ + 3H₂ ⇋ 2NH₃ ; ΔH = - 22.4 kcal, is Isothermal Endothermic Exothermic Adiabatic Isothermal Endothermic Exothermic Adiabatic 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 valve Air refrigeration cycle Vapor compression cycle using expansion engine Carnot refrigeration cycle Vapor compression cycle using expansion valve Air refrigeration cycle Vapor compression cycle using expansion engine Carnot refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Water on heating from 1 to 4°C May contract or expand Has same volume Expands Contracts May contract or expand Has same volume Expands Contracts ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of Temperature, pressure and liquid composition xi only Temperature and pressure only Temperature only Temperature, pressure, liquid composition xi and vapour composition yi Temperature, pressure and liquid composition xi only Temperature and pressure only Temperature only Temperature, pressure, liquid composition xi and vapour composition yi ANSWER DOWNLOAD EXAMIANS APP
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