Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Heating takes place Cooling takes place Pressure is constant Temperature is constant Heating takes place Cooling takes place Pressure is constant Temperature is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change With pressure changes at constant temperature During cooling of an ideal gas Under reversible isothermal volume change During heating of an ideal gas With pressure changes at constant temperature During cooling of an ideal gas Under reversible isothermal volume change During heating of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas in a vessel expands, its internal energy decreases. The process involved is Adiabatic Reversible Isothermal Irreversible Adiabatic Reversible Isothermal Irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a reversible process ? Atmospheric pressure vaporisation of water at 100°C Solution of NaCl in water at 50°C None of these Expansion of an ideal gas against constant pressure Atmospheric pressure vaporisation of water at 100°C Solution of NaCl in water at 50°C None of these Expansion of an ideal gas against constant pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy, which is a measure of the disorder of a system is Zero at absolute zero temperature for a perfect crystalline substance Independent of pressure All of these Independent of temperature Zero at absolute zero temperature for a perfect crystalline substance Independent of pressure All of these Independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Clayperon equation deals with the Effect of an inert gas on vapour pressure Rate of change of vapour pressure with temperature Calculation of ΔF for spontaneous phase change Temperature dependence of heat of phase transition Effect of an inert gas on vapour pressure Rate of change of vapour pressure with temperature Calculation of ΔF for spontaneous phase change Temperature dependence of heat of phase transition ANSWER DOWNLOAD EXAMIANS APP