Chemical Engineering Thermodynamics During a reversible isothermal expansion of an ideal gas, the entropy change is -ve +ve ∞ -ve +ve ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be 6.2 5.2 0.168 Data insufficient, can't be found out 6.2 5.2 0.168 Data insufficient, can't be found out ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Claussius-Clayperon equation gives accurate result, when the Vapour pressure is relatively low and the temperature does not vary over wide limits All of these Vapour obeys the ideal gas law and the latent heat of vaporisation is constant Volume in the liquid state is negligible compared with that in the vapour state Vapour pressure is relatively low and the temperature does not vary over wide limits All of these Vapour obeys the ideal gas law and the latent heat of vaporisation is constant Volume in the liquid state is negligible compared with that in the vapour state ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Increases Decreases linearly Decreases Remains unchanged Increases Decreases linearly Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Air refrigeration cycle Vapour-compression process with a reversible expansion engine Ordinary vapour-compression cycle Reverse Carnot cycle Air refrigeration cycle Vapour-compression process with a reversible expansion engine Ordinary vapour-compression cycle Reverse Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat is added at constant pressure in an ideal __________ cycle. Stirling Brayton Both B and C Rankine Stirling Brayton Both B and C Rankine ANSWER DOWNLOAD EXAMIANS APP
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