Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system U and S both decreases U is constant but S decreases Its internal energy (U) decreases and its entropy (S) increases U decreases but S is constant U and S both decreases U is constant but S decreases Its internal energy (U) decreases and its entropy (S) increases U decreases but S is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat is added at constant temperature in an ideal __________ cycle. Brayton Stirling Rankine None of these Brayton Stirling Rankine None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics PVγ = Constant (where, γ = Cp/Cv) is valid for a/an __________ process. Isobaric Adiabatic Isentropic Isothermal Isobaric Adiabatic Isentropic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compound having large heat of formation is Less stable Not at all stable (like nascent O₂) Either more or less stable ; depends on the compound More stable Less stable Not at all stable (like nascent O₂) Either more or less stable ; depends on the compound More stable ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature. Zero Infinity None of these Minus infinity Zero Infinity None of these Minus 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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