Chemical Engineering Thermodynamics Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the Neither A nor B Either A or B Cold reservoir approaches zero Hot reservoir approaches infinity Neither A nor B Either A or B Cold reservoir approaches zero Hot reservoir approaches infinity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be Same More Less Data insufficient to predict Same More Less Data insufficient to predict ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg . K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is Partially condensed vapour with quality of 0.9 Partially condensed vapour with quality of 0.1 Superheated vapour Saturated vapour Partially condensed vapour with quality of 0.9 Partially condensed vapour with quality of 0.1 Superheated vapour Saturated vapour ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The free energy change for a chemical reaction is given by (where, K = equilibrium constant) -RT lnK T lnK -R lnK RT lnK -RT lnK T lnK -R lnK RT lnK ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is affected by the temperature? All of these Activity co-efficient Fugacity Free energy All of these Activity co-efficient Fugacity Free energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Ideal refrigeration cycle is Same as reverse Carnot cycle Dependent on the refrigerant's properties The least efficient of all refrigeration processes Same as Carnot cycle Same as reverse Carnot cycle Dependent on the refrigerant's properties The least efficient of all refrigeration processes Same as Carnot cycle ANSWER DOWNLOAD EXAMIANS APP