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 must be kept below 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. and temperature must be kept above 57°C Temperature must be kept above - 57°C Pressure must be kept below 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. and temperature must be kept above 57°C Temperature must be kept above - 57°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During a reversible isothermal expansion of an ideal gas, the entropy change is ∞ -ve +ve ∞ -ve +ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation relating E, P, V and T which is true for all substanes under all conditions is given by (∂E/∂V)T = T.(∂P/∂T)H - P . This equation is called the Thermodynamic equation of state Maxwell Equation of state Redlich-Kwong equation of state Thermodynamic equation of state Maxwell Equation of state Redlich-Kwong equation of state ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in Enhanced COP Decreased COP No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant Enhanced COP Decreased COP No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Reduced pressure of a gas is the ratio of its Critical pressure to pressure Pressure to pseudocritical pressure Pressure to critical pressure Pseudocritical pressure to pressure Critical pressure to pressure Pressure to pseudocritical pressure Pressure to critical pressure Pseudocritical pressure to pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For the reversible exothermic reaction, N₂ + 3H₂ ⇋ 2NH₃, increase of pressure would Both B and C Shift the equilibrium towards right Give higher yield of NH₃ Neither A nor B Both B and C Shift the equilibrium towards right Give higher yield of NH₃ Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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