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 R log10 4 R loge 4 Cv loge 4 Cv log10 4 R log10 4 R loge 4 Cv loge 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The value of Cp & Cv respectively for monoatomic gases in Kcal/kg Mole . °K are 5 & 3 3.987 & 1.987 1.987 & 0.66 0.66 & 1.987 5 & 3 3.987 & 1.987 1.987 & 0.66 0.66 & 1.987 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Generation of heat by friction is an example of a/an __________ change. Reversible Adiabatic Isothermal Irreversible Reversible Adiabatic Isothermal Irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)? Ordinary vapour compression cycle Air cycle Vapour compression with a reversible expansion engine Carnot cycle Ordinary vapour compression cycle Air cycle Vapour compression with a reversible expansion engine Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the wrong statement pertaining to the decomposition of PCl5 represented by, PCl5 ⇋ PCl3 + Cl₂.Degree of dissociation of PCl5 will Increase on addition of an inert gas at constant pressure None of these Decrease on addition of Cl₂ Decrease on increasing the pressure of the system Increase on addition of an inert gas at constant pressure None of these Decrease on addition of Cl₂ Decrease on increasing the pressure of the system ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass? DQ = CvdT + PdV Tds = dE - PdV DE = Tds - PdV DQ = CpdT + Vdp DQ = CvdT + PdV Tds = dE - PdV DE = Tds - PdV DQ = CpdT + Vdp ANSWER DOWNLOAD EXAMIANS APP
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