Chemical Engineering Thermodynamics When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs. This phenomenon is related to the Third law of thermodynamics Gibbs-Helmholtz equation Joule-Thomson effect Gibbs-Duhem equation Third law of thermodynamics Gibbs-Helmholtz equation Joule-Thomson effect Gibbs-Duhem equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The adiabatic throttling process of a perfect gas is one of constant enthalpy In which there is an increase in temperature In which there is a temperature drop Which is exemplified by a non-steady flow expansion Which can be performed in a pipe with a constriction In which there is an increase in temperature In which there is a temperature drop Which is exemplified by a non-steady flow expansion Which can be performed in a pipe with a constriction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is affected by the temperature? Activity co-efficient Free energy All of these Fugacity Activity co-efficient Free energy All of these Fugacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an ideal gas, the enthalpy Is a path function Decreases with rise in pressure Increases with rise in pressure Is independent of pressure Is a path function Decreases with rise in pressure Increases with rise in pressure Is independent of pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about 3.5 0.5 8.5 4.5 3.5 0.5 8.5 4.5 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 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 It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils It should be non-explosive ANSWER DOWNLOAD EXAMIANS APP
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