Chemical Engineering Thermodynamics When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs. This phenomenon is related to the Third law of thermodynamics Gibbs-Duhem equation Gibbs-Helmholtz equation Joule-Thomson effect Third law of thermodynamics Gibbs-Duhem equation Gibbs-Helmholtz equation Joule-Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of an incompressible fluid depends upon its Both A & B Temperature Pressure Neither A nor B Both A & B Temperature Pressure Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One ton of refrigeration capacity is equivalent to the heat removal rate of 200 BTU/hr 200 BTU/minute 200 BTU/day 50 k cal/hr 200 BTU/hr 200 BTU/minute 200 BTU/day 50 k cal/hr ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Mollier chart is a __________ plot. Pressure vs volume Pressure vs enthalpy Temperature vs entropy Enthalpy vs entropy Pressure vs volume Pressure vs enthalpy Temperature vs entropy Enthalpy vs entropy 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 Saturated vapour Partially condensed vapour with quality of 0.1 Partially condensed vapour with quality of 0.9 Superheated vapour Saturated vapour Partially condensed vapour with quality of 0.1 Partially condensed vapour with quality of 0.9 Superheated vapour ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is -2 RT ln 0.5 0.5 RT 2 RT -RT ln 0.5 -2 RT ln 0.5 0.5 RT 2 RT -RT ln 0.5 ANSWER DOWNLOAD EXAMIANS APP