Chemical Engineering Thermodynamics The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always > 2 > 1 < 1 < 3 > 2 > 1 < 1 < 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system is said to be at equilibrium, if the entropy of the system has reached __________ value. Maximum None of these Zero Minimum Maximum None of these Zero Minimum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Internal energy of an ideal gas Decreases with increase in temperature Increases with increase in pressure None of these Is independent of temperature Decreases with increase in temperature Increases with increase in pressure None of these Is independent of temperature 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? Tds = dE - PdV DQ = CvdT + PdV DE = Tds - PdV DQ = CpdT + Vdp Tds = dE - PdV DQ = CvdT + PdV DE = Tds - PdV DQ = CpdT + Vdp ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the Heat of reaction Calorific value Heat of formation Heat of combustion Heat of reaction Calorific value Heat of formation Heat of combustion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At the critical point of a substance The surface tension vanishes There is no distinction between liquid and vapour phases Liquid and vapour have the same density All of these The surface tension vanishes There is no distinction between liquid and vapour phases Liquid and vapour have the same density All of these ANSWER DOWNLOAD EXAMIANS APP
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