Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are Propane Ethyl chloride or methyle chloride Freon-12 NH₃ or CO₂ Propane Ethyl chloride or methyle chloride Freon-12 NH₃ or CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system is said to be at equilibrium, if the entropy of the system has reached __________ value. None of these Minimum Zero Maximum None of these Minimum Zero Maximum ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible __________ process. Isobaric Isentropic Isometric Isothermal Isobaric Isentropic Isometric Isothermal 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 Negative Positive Zero Infinity Negative Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T₁ and T₂ is given by T₂/R1 T₁/T₂ T₂/(T₁-T₂) T₁/(T₁-T₂) T₂/R1 T₁/T₂ T₂/(T₁-T₂) T₁/(T₁-T₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which Mutual solubility of the two liquids shows a decreasing trend A homogeneous solution (say of phenol water) is formed Two liquids are completely separated into two layers None of these Mutual solubility of the two liquids shows a decreasing trend A homogeneous solution (say of phenol water) is formed Two liquids are completely separated into two layers None of these ANSWER DOWNLOAD EXAMIANS APP