Chemical Engineering Thermodynamics The value of gas constant 'R' is 1.987 BTU/lb. mole °R Neither A nor B 1.987 cal/gm mole °K Both A and B 1.987 BTU/lb. mole °R Neither A nor B 1.987 cal/gm mole °K Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation Tds = dE - PdV applies to Single phase fluid of varying composition Open as well as closed systems Single phase fluid of constant composition Both B and C Single phase fluid of varying composition Open as well as closed systems Single phase fluid of constant composition Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Choose the condition that must be specified in order to liquify CO₂ (triple point for CO₂ is - 57°C and 5.2 atm). Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Pressure must be kept below 5.2 atm Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Temperature must be kept above - 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Pressure must be kept below 5.2 atm Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Temperature must be kept above - 57°C 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 only Temperature, pressure and liquid composition xi only Temperature, pressure, liquid composition xi and vapour composition yi Temperature and pressure only Temperature only Temperature, pressure and liquid composition xi only Temperature, pressure, liquid composition xi and vapour composition yi Temperature and pressure only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The minimum number of phases that can exist in a system is 3 0 2 1 3 0 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches Infinity Unity That of the heat of reaction Zero Infinity Unity That of the heat of reaction Zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS