Chemical Engineering Thermodynamics Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is (T₁ - T₂)/T₂ T₂/(T₁ - T₂) (T₁ - T₂)/T₁ T₁/(T₁ - T₂) (T₁ - T₂)/T₂ T₂/(T₁ - T₂) (T₁ - T₂)/T₁ T₁/(T₁ - T₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics High __________ is an undesirable property for a good refrigerant. Specific vapor volume Latent heat of vaporisation Specific heat Viscosity Specific vapor volume Latent heat of vaporisation Specific heat Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of a close thermodynamic system, there is __________ across the boundaries. No mass transfer but heat transfer None of these Mass and energy transfer No heat and mass transfer No mass transfer but heat transfer None of these Mass and energy transfer No heat and mass transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process. Adiabatic Isobaric None of these Isothermal Adiabatic Isobaric None of these Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the extensive property out of the following. Free energy Surface tension Refractive index Specific heat Free energy Surface tension Refractive index Specific heat 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 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 Decreased COP ANSWER DOWNLOAD EXAMIANS APP
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