Chemical Engineering Thermodynamics A system is said to be isopiestic, if there is no __________ change. None of these Pressure Temperature Volume None of these Pressure Temperature Volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At the critical point of a substance All of these The surface tension vanishes Liquid and vapour have the same density There is no distinction between liquid and vapour phases All of these The surface tension vanishes Liquid and vapour have the same density There is no distinction between liquid and vapour phases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system Its internal energy (U) decreases and its entropy (S) increases U and S both decreases U is constant but S decreases U decreases but S is constant Its internal energy (U) decreases and its entropy (S) increases U and S both decreases U is constant but S decreases U decreases but S is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The adiabatic throttling process of a perfect gas is one of constant enthalpy In which there is a temperature drop In which there is an increase in temperature Which is exemplified by a non-steady flow expansion Which can be performed in a pipe with a constriction In which there is a temperature drop In which there is an increase in temperature Which is exemplified by a non-steady flow expansion Which can be performed in a pipe with a constriction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T₁ and T₂ is given by T₂/R1 T₁/(T₁-T₂) T₂/(T₁-T₂) T₁/T₂ T₂/R1 T₁/(T₁-T₂) T₂/(T₁-T₂) T₁/T₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not affected by temperature changes? Activity co-efficient Free energy Fugacity None of these Activity co-efficient Free energy Fugacity None of these ANSWER DOWNLOAD EXAMIANS APP
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