Chemical Engineering Thermodynamics Charles' law for gases states that V ∝ 1/T V ∝ 1/P V/T = Constant PV/T = Constant V ∝ 1/T V ∝ 1/P V/T = Constant PV/T = Constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in Decreased COP No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant Enhanced COP Decreased COP No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant Enhanced COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics All gases during throttling process at atmospheric temperature and pressure show a cooling effect except CO₂ N₂ O₂ H₂ CO₂ N₂ O₂ H₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic compression? Cooling occurs Pressure is constant Heating occurs Temperature is constant Cooling occurs Pressure is constant Heating occurs Temperature is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation Tds = dE - PdV applies to Single phase fluid of constant composition Single phase fluid of varying composition Open as well as closed systems Both B and C Single phase fluid of constant composition Single phase fluid of varying composition Open as well as closed systems Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The number of degree of freedom for an azeotropic mixture of ethanol and water in vapour-liquid equilibrium, is 3 1 0 2 3 1 0 2 ANSWER DOWNLOAD EXAMIANS APP
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