Chemical Engineering Thermodynamics Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is (T₁ - T₂)/T₁ (T₁ - T₂)/T₂ T₁/(T₁ - T₂) T₂/(T₁ - T₂) (T₁ - T₂)/T₁ (T₁ - T₂)/T₂ T₁/(T₁ - T₂) T₂/(T₁ - T₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics First law of thermodynamics is mathematically stated as dE = dQ + dW dQ = dE + dW dW = dQ + dE dQ = dE - dW dE = dQ + dW dQ = dE + dW dW = dQ + dE dQ = dE - dW 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 Decreased COP Increased or decreased COP ; depending upon the type of refrigerant Enhanced COP No change in the value of COP Decreased COP Increased or decreased COP ; depending upon the type of refrigerant Enhanced COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Water on heating from 1 to 4°C Has same volume Expands May contract or expand Contracts Has same volume Expands May contract or expand Contracts ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During Joule-Thomson expansion of gases Entropy remains constant Enthalpy remains constant Temperature remains constant None of these Entropy remains constant Enthalpy remains constant Temperature remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Enthalpy of a gas depends upon its Volume Temperature Mass Pressure Volume Temperature Mass Pressure ANSWER DOWNLOAD EXAMIANS APP
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