Chemical Engineering Thermodynamics When a gas in a vessel expands, its internal energy decreases. The process involved is Isothermal Adiabatic Irreversible Reversible Isothermal Adiabatic Irreversible Reversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the internal energy of a substance Remains unchanged May increase or decrease; depends on the substance Decreases Increases Remains unchanged May increase or decrease; depends on the substance Decreases Increases 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 < 1 < 3 > 2 > 1 < 1 < 3 > 2 > 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Reduced pressure of a gas is the ratio of its Critical pressure to pressure Pressure to critical pressure Pseudocritical pressure to pressure Pressure to pseudocritical pressure Critical pressure to pressure Pressure to critical pressure Pseudocritical pressure to pressure Pressure to pseudocritical pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A solid is transformed into vapour without going to the liquid phase at Always Boiling point Triple point Below triple point Always Boiling point Triple point Below triple point ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics All gases during throttling process at atmospheric temperature and pressure show a cooling effect except O₂ CO₂ N₂ H₂ O₂ CO₂ N₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
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