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 Internal energy is equal to the heat absorbed in case of a/an __________ process. Constant pressure Constant volume Adiabatic Polytropic Constant pressure Constant volume Adiabatic Polytropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c. 50 100 205 200 50 100 205 200 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the atomic heat capacities of all solid elements Increases Remains unchanged Decreases Decreases linearly Increases Remains unchanged Decreases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are Ethyl chloride or methyle chloride Propane Freon-12 NH₃ or CO₂ Ethyl chloride or methyle chloride Propane Freon-12 NH₃ or CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution Solubility increases as temperature decreases Solubility increases as temperature increases Solubility is independent of temperature Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution Solubility increases as temperature decreases Solubility increases as temperature increases Solubility is independent of temperature ANSWER DOWNLOAD EXAMIANS APP