Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it None of these Transfers heat from high temperature to low temperature Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning None of these Transfers heat from high temperature to low temperature Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The number of degrees of freedom at the triple point of water is 1 3 2 Zero 1 3 2 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is Replaced by chemical potential which is more in vapour phase Same in both the phases More in vapour phase More in liquid phase Replaced by chemical potential which is more in vapour phase Same in both the phases More in vapour phase More in liquid phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (∂S/∂P)T = -(∂V/∂T)P (∂S/∂V)T = (∂P/∂T)V (∂V/∂S)P = (∂T/∂P)S (∂T/∂V)S = -(∂P/∂S)V (∂S/∂P)T = -(∂V/∂T)P (∂S/∂V)T = (∂P/∂T)V (∂V/∂S)P = (∂T/∂P)S (∂T/∂V)S = -(∂P/∂S)V ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the time is passing, entropy of the universe Is decreasing Data insufficient, can't be predicted Is increasing Remains constant Is decreasing Data insufficient, can't be predicted Is increasing Remains constant 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 None of these Its vapor pressure at the condenser temperature should be very high It should be non-explosive It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils None of these Its vapor pressure at the condenser temperature should be very high It should be non-explosive ANSWER DOWNLOAD EXAMIANS APP
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