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 The equation, Cp - Cv = R, is true for __________ gas. Any real Only ideal Both B and C No Any real Only ideal Both B and C No ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Heating takes place Temperature is constant Pressure is constant Cooling takes place Heating takes place Temperature is constant Pressure is constant Cooling takes place ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a thermodynamic system containing 'x' chemical species, the maximum number of phases that can co-exist at equilibrium is X + 1 X + 3 X + 2 X X + 1 X + 3 X + 2 X ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Degress of freedom at triple point will be 3 2 1 Zero 3 2 1 Zero ANSWER DOWNLOAD EXAMIANS APP
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