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? Air refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas is subjected to adiabatic expansion, it gets cooled due to Energy spent in doing work Decrease in velocity Decrease in kinetic energy Decrease in temperature Energy spent in doing work Decrease in velocity Decrease in kinetic energy Decrease in temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Consider the reaction, C + O₂ ⇋ CO₂ ;ΔH = - 94 kcal. What will be the value of ΔH for the reaction CO₂ → C + O₂? -94 kcal + 94 kcal > 94 kcal < -94 kcal -94 kcal + 94 kcal > 94 kcal < -94 kcal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The enthalpy change when ammonia gas is dissolved in water is called the heat of Solution Combustion Formation Dilution Solution Combustion Formation Dilution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Partial molar free energy of an element A in solution is same as its Activity co-efficient Fugacity Chemical potential Activity Activity co-efficient Fugacity Chemical potential Activity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an incompressible fluid, the __________ is a function of both pressure as well as temperature. Entropy Enthalpy Internal energy All of these Entropy Enthalpy Internal energy All of these ANSWER DOWNLOAD EXAMIANS APP
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