Chemical Engineering Thermodynamics What happens in a reversible adiabatic compression? Temperature is constant Heating occurs Pressure is constant Cooling occurs Temperature is constant Heating occurs Pressure is constant Cooling occurs ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the value of ln y (where y = activity co-efficient) for ideal gases? Zero Unity Negative Infinity Zero Unity Negative Infinity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For any system, what is the minimum number of degrees of freedom? 2 1 3 0 2 1 3 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. High viscosity Large latent heat of vaporisation High thermal conductivity Low freezing point High viscosity Large latent heat of vaporisation High thermal conductivity Low freezing point ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which one is true for a throttling process? The inversion temperature is same for all gases The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity A gas may have more than one inversion temperatures The inversion temperature is different for different gases The inversion temperature is same for all gases The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity A gas may have more than one inversion temperatures The inversion temperature is different for different gases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation, PV = nRT, is best obeyed by gases at High pressure & low temperature Low pressure & high temperature Low pressure & low temperature None of these High pressure & low temperature Low pressure & high temperature Low pressure & low temperature None of these ANSWER DOWNLOAD EXAMIANS APP
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