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 Pressure must be kept below 5.2 atm Temperature must be kept above - 57°C 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 Pressure must be kept below 5.2 atm Temperature must be kept above - 57°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates More accurate plotting Easier plotting Use of only one graph for all gases Covering of wide range More accurate plotting Easier plotting Use of only one graph for all gases Covering of wide range ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat is added at constant pressure in an ideal __________ cycle. Both B and C Stirling Brayton Rankine Both B and C Stirling Brayton Rankine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is Same Less Dependent on climatic conditions More Same Less Dependent on climatic conditions More ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Ideal refrigeration cycle is Dependent on the refrigerant's properties Same as reverse Carnot cycle Same as Carnot cycle The least efficient of all refrigeration processes Dependent on the refrigerant's properties Same as reverse Carnot cycle Same as Carnot cycle The least efficient of all refrigeration processes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ? 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 None of these It should be non-explosive 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 None of these It should be non-explosive ANSWER DOWNLOAD EXAMIANS APP
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