Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system Its internal energy (U) decreases and its entropy (S) increases U is constant but S decreases U decreases but S is constant U and S both decreases Its internal energy (U) decreases and its entropy (S) increases U is constant but S decreases U decreases but S is constant U and S both decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat is added at constant pressure in an ideal __________ cycle. Stirling Both B and C Brayton Rankine Stirling Both B and C Brayton Rankine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, nRT In P₁/P₂ , is for the____of an ideal gas. Work done under isothermal condition Work done under adiabatic contition Co-efficient of thermal expansion Compressibility Work done under isothermal condition Work done under adiabatic contition Co-efficient of thermal expansion Compressibility ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Domestic refrigerator usually works on the __________ refrigeration cycle. Air Absorption Vapour-ejection Carnot Air Absorption Vapour-ejection Carnot ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will Increase or decrease ; depends on the particular reaction Decrease Remain unaltered Increase Increase or decrease ; depends on the particular reaction Decrease Remain unaltered Increase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes. Energy transformation from one form to the another Reaction mechanism Calculation of rates None of these Energy transformation from one form to the another Reaction mechanism Calculation of rates None of these ANSWER DOWNLOAD EXAMIANS APP
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