Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Contracts Expands Does not change in volume Either A, B or C Contracts Expands Does not change in volume Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A gas can be liquified by pressure alone only, when its temperature is __________ its critical temperature. Less than Less than or equal to More than Equal to or higher than Less than Less than or equal to More than Equal to or higher than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Ordinary vapour-compression cycle Reverse Carnot cycle Air refrigeration cycle Vapour-compression process with a reversible expansion engine Ordinary vapour-compression cycle Reverse Carnot cycle Air refrigeration cycle Vapour-compression process with a reversible expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not an extensive property? Refractive index Free energy Entropy None of these Refractive index Free energy Entropy None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For the gaseous phase chemical reaction, C₂H₄(g) + H₂O(g) ⟷ C₂H₅OH(g), the equilibrium conversion does not depend on the Temperature Steam to ethylene ratio Pressure None of these Temperature Steam to ethylene ratio Pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is None of these Negative Zero Positive None of these Negative Zero Positive ANSWER DOWNLOAD EXAMIANS APP