Chemical Engineering Thermodynamics The second law of thermodynamics states that The energy change of a system undergoing any reversible process is zero None of these It is not possible to transfer heat from a lower temperature to a higher temperature The total energy of system and surrounding remains the same The energy change of a system undergoing any reversible process is zero None of these It is not possible to transfer heat from a lower temperature to a higher temperature The total energy of system and surrounding remains the same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about 8.5 3.5 0.5 4.5 8.5 3.5 0.5 4.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour. None of these Non-condensable Desuperheated Superheated None of these Non-condensable Desuperheated Superheated 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 must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is Virial equation of state? PV = A + B/V + C/V² + D/V³ + … None of these PV = nRT (p + a/V²)(V - b) = nRT PV = A + B/V + C/V² + D/V³ + … None of these PV = nRT (p + a/V²)(V - b) = nRT ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Adiabatic compression of a saturated water vapour makes it Superheated Supersaturated Neither A nor B Both A and B Superheated Supersaturated Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
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