Chemical Engineering Thermodynamics The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same. None of these Work Kinematic viscosity Temperature None of these Work Kinematic viscosity Temperature 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 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 The change in Gibbs freee energy for vaporisation of a pure substance is Negative May be positive or negative Positive Zero Negative May be positive or negative Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Helmholtz free energy (A) is defined as A = H - TS A = H + TS A = E - TS None of these A = H - TS A = H + TS A = E - TS None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the Low pressure and high temperature Low pressure and low temperature High pressure and low temperature High pressure and high temperature Low pressure and high temperature Low pressure and low temperature High pressure and low temperature High pressure and high temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a turbine, the fluid expands almost None of these Isothermally Adiabatically Isobarically None of these Isothermally Adiabatically Isobarically ANSWER DOWNLOAD EXAMIANS APP
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