Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ? Its vapor pressure at the condenser temperature should be very high It should be non-explosive None of these It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils Its vapor pressure at the condenser temperature should be very high It should be non-explosive None of these It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following behaves most closely like an ideal gas? N₂ H₂ He O₂ N₂ H₂ He O₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The heat capacities for the ideal gas state depend upon the Pressure Neither A nor B Both A & B Temperature Pressure Neither A nor B Both A & B Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Boiling of liquid is accompanied with increase in the Specific entropy Vapor pressure Specific Gibbs free energy All of these Specific entropy Vapor pressure Specific Gibbs free energy All of these 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 Accomplishes the reverse effect of the heat engine None of these Does not need the addition of external work for its functioning Transfers heat from high temperature to low temperature Accomplishes the reverse effect of the heat engine None of these Does not need the addition of external work for its functioning ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is Equal Data insufficient, can't be predicted More pronounced Less pronounced Equal Data insufficient, can't be predicted More pronounced Less pronounced ANSWER DOWNLOAD EXAMIANS APP
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