Chemical Engineering Thermodynamics Work done may be calculated by the expression ∫p dA for __________ processes. Both A and B Non-flow reversible Neither A nor B Adiabatic Both A and B Non-flow reversible Neither A nor B Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor for almost all the gases are approximately same at the same None of these Critical pressure and critical temperature Reduced pressure and reduced temperature Pressure and temperature None of these Critical pressure and critical temperature Reduced pressure and reduced temperature Pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition. Helmholtz free energy Enthalpy Internal energy Gibbs free energy Helmholtz free energy Enthalpy Internal energy Gibbs free energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When dilute aqueous solutions of two salts are mixed, the process is associated with Decrease in temperature Change in temperature which is a function of composition No change in temperature Increase in temperature Decrease in temperature Change in temperature which is a function of composition No change in temperature Increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Choose the condition that must be specified in order to liquify CO₂ (triple point for CO₂ is - 57°C and 5.2 atm). Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Pressure must be kept below 5.2 atm Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Pressure must be kept below 5.2 atm Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C 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 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 Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
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