Chemical Engineering Thermodynamics In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible __________ process. Polytropic Isometric Isobaric Isentropic Polytropic Isometric Isobaric Isentropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change for an irreversible isolated system is > 0 ∞ < 0 > 0 ∞ < 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it Accomplishes the reverse effect of the heat engine None of these Transfers heat from high temperature to low temperature Does not need the addition of external work for its functioning Accomplishes the reverse effect of the heat engine None of these Transfers heat from high temperature to low temperature Does not need the addition of external work for its functioning ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system U decreases but S is constant U is constant but S decreases Its internal energy (U) decreases and its entropy (S) increases U and S both decreases U decreases but S is constant U is constant but S decreases Its internal energy (U) decreases and its entropy (S) increases U and S both decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant Cv), depends upon its Pressure All of these Volume Temperature Pressure All of these Volume Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During Joule-Thomson expansion of gases Enthalpy remains constant None of these Entropy remains constant Temperature remains constant Enthalpy remains constant None of these Entropy remains constant Temperature remains constant ANSWER DOWNLOAD EXAMIANS APP