Chemical Engineering Thermodynamics Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass? Tds = dE - PdV DQ = CpdT + Vdp DE = Tds - PdV DQ = CvdT + PdV Tds = dE - PdV DQ = CpdT + Vdp DE = Tds - PdV DQ = CvdT + PdV ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)? Vapour compression with a reversible expansion engine Ordinary vapour compression cycle Carnot cycle Air cycle Vapour compression with a reversible expansion engine Ordinary vapour compression cycle Carnot cycle Air cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole. 92 192 72 142 92 192 72 142 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It takes place isothermally It takes place at constant volume It is exothermic It is isenthalpic It takes place isothermally It takes place at constant volume It is exothermic It is isenthalpic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Specific __________ does not change during phase change at constant temperature and pressure. Enthalpy Gibbs energy Entropy Internal energy Enthalpy Gibbs energy Entropy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics dW and dq are not the exact differential, because q and W are Extensive properties Intensive properties State functions Path functions Extensive properties Intensive properties State functions Path functions ANSWER DOWNLOAD EXAMIANS APP
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