Chemical Engineering Thermodynamics Critical compressibility factor for all substances Vary as square of the absolute pressure None of these Are more or less constant (vary from 0.2 to 0.3) Vary as square of the absolute temperature Vary as square of the absolute pressure None of these Are more or less constant (vary from 0.2 to 0.3) Vary as square of the absolute temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy, which is a measure of the disorder of a system is Independent of temperature Independent of pressure All of these Zero at absolute zero temperature for a perfect crystalline substance Independent of temperature Independent of pressure All of these Zero at absolute zero temperature for a perfect crystalline substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In polytropic process (PVn = constant), if n = 1; it means a/an __________ process. Isothermal Reversible Adiabatic None of these Isothermal Reversible Adiabatic None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about 8.5 0.5 4.5 3.5 8.5 0.5 4.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change Under reversible isothermal volume change During heating of an ideal gas During cooling of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change During heating of an ideal gas During cooling of an ideal gas With pressure changes at constant temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. High viscosity High thermal conductivity Low freezing point Large latent heat of vaporisation High viscosity High thermal conductivity Low freezing point Large latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
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