Chemical Engineering Thermodynamics The equation, PV = nRT, is best obeyed by gases at Low pressure & high temperature High pressure & low temperature None of these Low pressure & low temperature Low pressure & high temperature High pressure & low temperature None of these Low pressure & low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Cooling takes place Temperature is constant Pressure is constant Heating takes place Cooling takes place Temperature is constant Pressure is constant Heating takes place ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be Halved Same Doubled One fourth of its original value Halved Same Doubled One fourth of its original value ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor of a gas is Unity, if it follows PV = nRT Not a function of its nature Not a function of its temperature Not a function of its pressure Unity, if it follows PV = nRT Not a function of its nature Not a function of its temperature Not a function of its pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Increases Remains unchanged Decreases Decreases linearly Increases Remains unchanged Decreases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Mollier chart is a __________ plot. Enthalpy vs entropy Temperature vs entropy Pressure vs volume Pressure vs enthalpy Enthalpy vs entropy Temperature vs entropy Pressure vs volume Pressure vs enthalpy ANSWER DOWNLOAD EXAMIANS APP