Chemical Engineering Thermodynamics The gas law (PV = RT) is true for an __________ change. Isothermal Adiabatic Neither A nor B Both A & B Isothermal Adiabatic Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is 0.5 RT -2 RT ln 0.5 -RT ln 0.5 2 RT 0.5 RT -2 RT ln 0.5 -RT ln 0.5 2 RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigeration cycles, which one has maximum COP? Air cycle Vapor compression with a reversible expansion engine Carnot cycle Ordinary vapor compression cycle Air cycle Vapor compression with a reversible expansion engine Carnot cycle Ordinary vapor compression cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it Transfers heat from high temperature to low temperature Does not need the addition of external work for its functioning None of these Accomplishes the reverse effect of the heat engine Transfers heat from high temperature to low temperature Does not need the addition of external work for its functioning None of these Accomplishes the reverse effect of the heat engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Zero Negative Positive Infinity Zero Negative Positive Infinity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles of products number of moles of reactants) Dimensionless, when Δx = 0 (atm)Δx2, when Δx > 0 (atm)Δx, when Δx is positive (atm)Δx, when Δx is negative Dimensionless, when Δx = 0 (atm)Δx2, when Δx > 0 (atm)Δx, when Δx is positive (atm)Δx, when Δx is negative ANSWER DOWNLOAD EXAMIANS APP
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