Chemical Engineering Thermodynamics Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is T₂/(T₁ - T₂) T₁/(T₁ - T₂) (T₁ - T₂)/T₂ (T₁ - T₂)/T₁ T₂/(T₁ - T₂) T₁/(T₁ - T₂) (T₁ - T₂)/T₂ (T₁ - T₂)/T₁ 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 > 2 < 1 < 3 > 1 > 2 < 1 < 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Cooling of a real gas Heating of an ideal gas Reversible isothermal volume change Expansion of a real gas Cooling of a real gas Heating of an ideal gas Reversible isothermal volume change Expansion of a real gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 1m³ of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be 35 K 154 K 274 K 174 K 35 K 154 K 274 K 174 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If atmospheric temperature and dew point are nearly equal, then the relative humidity is Unpredictable Almost 100% 50% Zero Unpredictable Almost 100% 50% Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system is said to be isopiestic, if there is no __________ change. Volume Pressure Temperature None of these Volume Pressure Temperature None of these ANSWER DOWNLOAD EXAMIANS APP