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 The extensive properties are Volume, mass and number of moles Free energy, entropy and enthalpy None of these Both A and B Volume, mass and number of moles Free energy, entropy and enthalpy None of these Both A and B 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 Vapour-compression process with a reversible expansion engine Air refrigeration cycle Ordinary vapour-compression cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the High pressure and low temperature Low pressure and low temperature Low pressure and high temperature High pressure and high temperature High pressure and low temperature Low pressure and low temperature Low pressure and high temperature High pressure and high temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Enthalpy changes over a constant pressure path are always zero for __________ gas. A perfect An easily liquefiable Any A real A perfect An easily liquefiable Any A real ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively) Geometric Logarithmic Arithmetic Harmonic Geometric Logarithmic Arithmetic Harmonic ANSWER DOWNLOAD EXAMIANS APP
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