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 Air refrigeration cycle Ordinary vapour-compression cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle Ordinary vapour-compression cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics (∂E/∂T)V is the mathematical expression for None of these Enthalpy change CV Free energy change None of these Enthalpy change CV Free energy change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Consider the reaction, C + O₂ ⇋ CO₂ ;ΔH = - 94 kcal. What will be the value of ΔH for the reaction CO₂ → C + O₂? > 94 kcal -94 kcal + 94 kcal < -94 kcal > 94 kcal -94 kcal + 94 kcal < -94 kcal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following processes can not be made reversible even under ideal condition of operation? Free expansion of a gas Expansion of steam in a turbine Compression of air in a compressor All of these Free expansion of a gas Expansion of steam in a turbine Compression of air in a compressor All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system is said to be at equilibrium, if the entropy of the system has reached __________ value. Maximum Minimum Zero None of these Maximum Minimum Zero None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Internal energy change of a system over one complete cycle in a cyclic process is Dependent on the path -ve +ve Zero Dependent on the path -ve +ve Zero ANSWER DOWNLOAD EXAMIANS APP
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