Chemical Engineering Thermodynamics The unity of Planck's constant 'h' in the equation, E = hv is J.S Kmol/J J/s J/kmol J.S Kmol/J J/s J/kmol ANSWER DOWNLOAD EXAMIANS APP
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 < 3 > 1 > 2 < 1 < 3 > 1 > 2 < 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature. Decreases Remains constant Decreases logarithmically Increases Decreases Remains constant Decreases logarithmically Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The activity of an ideal gas is numerically __________ its pressure. Less than Equal to Data insufficient, can't be predicted More than Less than Equal to Data insufficient, can't be predicted More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Increased or decreased COP ; depending upon the type of refrigerant Increased COP Decreased COP Same COP Increased or decreased COP ; depending upon the type of refrigerant Increased COP Decreased COP Same COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Melting of wax is accompanied with __________ in entropy. Decrease No change Increase None of these Decrease No change Increase None of these ANSWER DOWNLOAD EXAMIANS APP
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