Chemical Engineering Thermodynamics What is the ratio of adiabatic compressibility to isothermal compressibility? >> 1 < 1 1 > 1 >> 1 < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a given substance at a specified temperature, activity is __________ to fugacity. None of these Equal Directly proportional Inversely proportional None of these Equal Directly proportional Inversely proportional ANSWER DOWNLOAD EXAMIANS APP
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 In case of an __________ process, the temperature of the system increases. Isothermal compression Adiabatic compression Adiabatic expansion Isothermal expansion Isothermal compression Adiabatic compression Adiabatic expansion Isothermal expansion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an ideal refrigeration cycle, the change in internal energy of the fluid is -ve +ve Either of the above three ; depends on the nature of refrigerant -ve +ve Either of the above three ; depends on the nature of refrigerant 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 Data insufficient, can't be predicted Equal More pronounced Less pronounced Data insufficient, can't be predicted Equal More pronounced Less pronounced ANSWER DOWNLOAD EXAMIANS APP
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