Chemical Engineering Thermodynamics The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is Cv log10 4 Cv loge 4 R loge 4 R log10 4 Cv log10 4 Cv loge 4 R loge 4 R log10 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Vapour-compression process with a reversible expansion engine Ordinary vapour-compression cycle Air refrigeration cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Ordinary vapour-compression cycle Air refrigeration cycle Reverse Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics After throttling, gas temperature Increases May increase or decrease ; depends on the nature of the gas Decreases Remains same Increases May increase or decrease ; depends on the nature of the gas Decreases Remains same 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 Data insufficient, can't be found out 6.2 0.168 5.2 Data insufficient, can't be found out 6.2 0.168 5.2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm³ and that in vapour phase in 391.1 cm³.Fugacity of water (in kPa) at 9000 kPa will be 9000 6753.5 6738.9 7058.3 9000 6753.5 6738.9 7058.3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Lenz's law results from the law of conservation of None of these Momentum Energy Mass None of these Momentum Energy Mass ANSWER DOWNLOAD EXAMIANS APP
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