Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Reversible isothermal volume change Cooling of a substance Heating of a substance Simultaneous heating and expansion of an ideal gas Reversible isothermal volume change Cooling of a substance Heating of a substance Simultaneous heating and expansion of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Joule-Thomson co-efficient for a perfect gas is Zero None of these Positive Negative Zero None of these Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 1st law of thermodynamics is nothing but the law of conservation of Mass Energy None of these Momentum Mass Energy None of these Momentum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a reversible process ? Solution of NaCl in water at 50°C None of these Atmospheric pressure vaporisation of water at 100°C Expansion of an ideal gas against constant pressure Solution of NaCl in water at 50°C None of these Atmospheric pressure vaporisation of water at 100°C Expansion of an ideal gas against constant pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The value of gas constant 'R' is Both A and B 1.987 cal/gm mole °K 1.987 BTU/lb. mole °R Neither A nor B Both A and B 1.987 cal/gm mole °K 1.987 BTU/lb. mole °R Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity is most helpful in None of these Representing actual behaviour of ideal gases Representing actual behaviour of real gases The study of chemical equilibria involving gases at atmospheric pressure None of these Representing actual behaviour of ideal gases Representing actual behaviour of real gases The study of chemical equilibria involving gases at atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
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