Chemical Engineering Thermodynamics When a gas is subjected to adiabatic expansion, it gets cooled due to 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 Energy spent in doing work 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 Carnot refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The extensive properties are None of these Both A and B Free energy, entropy and enthalpy Volume, mass and number of moles None of these Both A and B Free energy, entropy and enthalpy Volume, mass and number of moles ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The unit of fugacity is the same as that of the Volume Molar concentration Pressure Temperature Volume Molar concentration Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compound having large heat of formation is Either more or less stable ; depends on the compound Less stable More stable Not at all stable (like nascent O₂) Either more or less stable ; depends on the compound Less stable More stable Not at all stable (like nascent O₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In polytropic process (PVn = constant), if n = 1; it means a/an __________ process. Adiabatic Isothermal Reversible None of these Adiabatic Isothermal Reversible None of these ANSWER DOWNLOAD EXAMIANS APP