Chemical Engineering Thermodynamics Which of the following units is not present in both the vapor compression refrigeration system and absorption refrigeration system ? Condenser Refrigerator Compressor Expansion valve Condenser Refrigerator Compressor Expansion valve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of Temperature, pressure and liquid composition xi only Temperature only Temperature and pressure only Temperature, pressure, liquid composition xi and vapour composition yi Temperature, pressure and liquid composition xi only Temperature only Temperature and pressure only Temperature, pressure, liquid composition xi and vapour composition yi ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Decreased COP Same COP Increased or decreased COP ; depending upon the type of refrigerant Increased COP Decreased COP Same COP Increased or decreased COP ; depending upon the type of refrigerant Increased COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At the critical point of a substance There is no distinction between liquid and vapour phases Liquid and vapour have the same density All of these The surface tension vanishes There is no distinction between liquid and vapour phases Liquid and vapour have the same density All of these The surface tension vanishes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp - Cv = R is valid for __________ gases. All Ideal Very low temperature Very high pressure All Ideal Very low temperature Very high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A solid is transformed into vapour without going to the liquid phase at Below triple point Always Boiling point Triple point Below triple point Always Boiling point Triple point ANSWER DOWNLOAD EXAMIANS APP
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