Chemical Engineering Thermodynamics Fugacity co-efficient of a substance is the ratio of its fugacity to Mole fraction Activity Pressure Activity co-efficient Mole fraction Activity Pressure Activity co-efficient ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as F = C - P - 2 P + F - C = 2 C = P - F + 2 P = F - C - 2 F = C - P - 2 P + F - C = 2 C = P - F + 2 P = F - C - 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a common refrigerant? Ethylene Ammonia Carbon dioxide Freon-12 Ethylene Ammonia Carbon dioxide Freon-12 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 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 No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics High pressure steam is expanded adiabati-cally and reversibly through a well insulated turbine, which produces some shaft work. If the enthalpy change and entropy change across the turbine are represented by ΔH and ΔS respectively for this process: Δ H ≠ 0 and ΔS ≠ 0 Δ H ≠ 0 and ΔS = 0 Δ H = 0 and ΔS ≠ 0 Δ H = 0 and ΔS = 0 Δ H ≠ 0 and ΔS ≠ 0 Δ H ≠ 0 and ΔS = 0 Δ H = 0 and ΔS ≠ 0 Δ H = 0 and ΔS = 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs-Duhem equation Finds no application in gas-liquid equilibria involved in distillation States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure None of these Applies only to binary systems Finds no application in gas-liquid equilibria involved in distillation States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure None of these Applies only to binary systems ANSWER DOWNLOAD EXAMIANS APP
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