Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It is isenthalpic It takes place at constant volume It takes place isothermally It is exothermic It is isenthalpic It takes place at constant volume It takes place isothermally It is exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a turbine, the fluid expands almost Adiabatically Isothermally Isobarically None of these Adiabatically Isothermally Isobarically None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The temperature at which both liquid and gas phases are identical, is called the __________ point. Boiling Critical Freezing Triple Boiling Critical Freezing Triple 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 Heating of water under atmospheric pressure is an __________ process. Isothermal Adiabatic Isobaric Isochoric Isothermal Adiabatic Isobaric Isochoric 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 It should be non-explosive Its vapor pressure at the condenser temperature should be very high None of these It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils It should be non-explosive Its vapor pressure at the condenser temperature should be very high None of these ANSWER DOWNLOAD EXAMIANS APP
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