Chemical Engineering Thermodynamics For any system, what is the minimum number of degrees of freedom? 3 1 0 2 3 1 0 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively) Arithmetic Geometric Harmonic Logarithmic Arithmetic Geometric Harmonic Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system is said to be at equilibrium, if the entropy of the system has reached __________ value. Minimum None of these Zero Maximum Minimum None of these Zero Maximum 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 > 2 < 1 > 1 < 3 > 2 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a working refrigerator, the value of COP is always < 1 < 0 > 1 < 1 < 0 > 1 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 Reversible isothermal volume change Heating of an ideal gas Expansion of a real gas Cooling of a real gas Reversible isothermal volume change Heating of an ideal gas Expansion of a real gas ANSWER DOWNLOAD EXAMIANS APP
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