Chemical Engineering Thermodynamics Critical compressibility factor for all substances Vary as square of the absolute temperature Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute pressure Vary as square of the absolute temperature Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Charles' law for gases states that V ∝ 1/T V ∝ 1/P PV/T = Constant V/T = Constant V ∝ 1/T V ∝ 1/P PV/T = Constant V/T = Constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Ordinary vapour-compression cycle Air refrigeration cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Ordinary vapour-compression cycle Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an ideal liquid solution, which of the following is unity? Fugacity Fugacity co-efficient Activity co-efficient Activity Fugacity Fugacity co-efficient Activity co-efficient Activity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor? 3 1 2 0 3 1 2 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a common refrigerant? Ethylene Carbon dioxide Ammonia Freon-12 Ethylene Carbon dioxide Ammonia Freon-12 ANSWER DOWNLOAD EXAMIANS APP
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