Chemical Engineering Thermodynamics All gases during throttling process at atmospheric temperature and pressure show a cooling effect except CO₂ O₂ N₂ H₂ CO₂ O₂ N₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it Transfers heat from high temperature to low temperature Does not need the addition of external work for its functioning Accomplishes the reverse effect of the heat engine None of these Transfers heat from high temperature to low temperature Does not need the addition of external work for its functioning Accomplishes the reverse effect of the heat engine None of these 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 Increased or decreased COP ; depending upon the type of refrigerant No change in the value of COP Decreased COP Enhanced COP Increased or decreased COP ; depending upon the type of refrigerant No change in the value of COP Decreased COP Enhanced COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics y = specific heat ratio of an ideal gas is equal to All of these 1 + (R/CV) Cp/Cv Cp/(CP-R) All of these 1 + (R/CV) Cp/Cv Cp/(CP-R) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. High thermal conductivity Large latent heat of vaporisation Low freezing point High viscosity High thermal conductivity Large latent heat of vaporisation Low freezing point High viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to __________ °C. 327 270 300 540 327 270 300 540 ANSWER DOWNLOAD EXAMIANS APP
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