Chemical Engineering Thermodynamics At the critical point of a substance Liquid and vapour have the same density The surface tension vanishes All of these There is no distinction between liquid and vapour phases Liquid and vapour have the same density The surface tension vanishes All of these There is no distinction between liquid and vapour phases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not an equation of state? Beattie-Bridgeman equation Clausius Clayperon equation None of these Bertholet equation Beattie-Bridgeman equation Clausius Clayperon equation None of these Bertholet equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Specific __________ does not change during phase change at constant temperature and pressure. Gibbs energy Enthalpy Internal energy Entropy Gibbs energy Enthalpy Internal energy Entropy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Expands Contracts Either A, B or C Does not change in volume Expands Contracts Either A, B or C Does not change in volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Van Laar equation deals with the activity co-efficients in Ternary solutions Azeotropic mixture only None of these Binary solutions Ternary solutions Azeotropic mixture only None of these Binary solutions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of T, P and Z T and P T and Z T T, P and Z T and P T and Z T ANSWER DOWNLOAD EXAMIANS APP