Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Negative Positive Zero May be positive or negative Negative Positive Zero May be positive or negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of an incompressible fluid depends upon its Pressure Neither A nor B Both A & B Temperature Pressure Neither A nor B Both A & B Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is More pronounced Less pronounced Equal Data insufficient, can't be predicted More pronounced Less pronounced Equal Data insufficient, can't be predicted 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 < 1 > 2 > 1 < 3 < 1 > 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The first law of thermodynamics is a restatement of the law of conservation of Energy Mass None of these Momentum Energy Mass None of these Momentum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂? -94 kcal < - 94 kcal > -94 kcal Zero -94 kcal < - 94 kcal > -94 kcal Zero ANSWER DOWNLOAD EXAMIANS APP
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