Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Cooling takes place Temperature is constant Heating takes place Pressure is constant Cooling takes place Temperature is constant Heating takes place Pressure is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by Decrease of entropy Increase in enthalpy corresponding to absorption of heat Decrease in enthalpy corresponding to evolution of heat No change in enthalpy Decrease of entropy Increase in enthalpy corresponding to absorption of heat Decrease in enthalpy corresponding to evolution of heat No change in enthalpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical compressibility factor for all substances None of these Vary as square of the absolute pressure Are more or less constant (vary from 0.2 to 0.3) Vary as square of the absolute temperature None of these Vary as square of the absolute pressure Are more or less constant (vary from 0.2 to 0.3) Vary as square of the absolute temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work. Adiabatic Isothermal Isentropic None of these Adiabatic Isothermal Isentropic None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The number of degrees of freedom for a mixture of ice and water (liquid) are 3 1 2 0 3 1 2 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If we increase the pressure on a substance (which is at its triple point), then the triple point Increases Remains unchanged Decreases May increase or decrease ; depends on the substance Increases Remains unchanged Decreases May increase or decrease ; depends on the substance ANSWER DOWNLOAD EXAMIANS APP