Chemical Engineering Thermodynamics A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature. Less than More than Less than or equal to Equal to or higher than Less than More than Less than or equal to Equal to or higher than 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 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 Its internal energy (U) decreases and its entropy (S) increases 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 Infinity Zero Positive Negative Infinity Zero Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The extensive properties are Volume, mass and number of moles Both A and B Free energy, entropy and enthalpy None of these Volume, mass and number of moles Both A and B Free energy, entropy and enthalpy None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is Same Less More Unpredictable; depends on the particular reaction Same Less More Unpredictable; depends on the particular reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The enthalpy change when ammonia gas is dissolved in water is called the heat of Solution Formation Dilution Combustion Solution Formation Dilution Combustion ANSWER DOWNLOAD EXAMIANS APP
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