Chemical Engineering Thermodynamics Co-efficient of Performance (COP) of a refrigerator is the ratio of the Refrigeration obtained to the work required Lower to higher temperature Work required to refrigeration obtained Higher to lower temperature Refrigeration obtained to the work required Lower to higher temperature Work required to refrigeration obtained Higher to lower temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When pressure is applied on the system, ice ⟷ water, then Evaporation of water will take place Equilibrium can not be established More water will be formed More ice will be formed Evaporation of water will take place Equilibrium can not be established More water will be formed More ice will be formed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible __________ process. Adiabatic Isothermal Isometric Isentropic Adiabatic Isothermal Isometric Isentropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. Large latent heat of vaporisation High thermal conductivity High viscosity Low freezing point Large latent heat of vaporisation High thermal conductivity High viscosity Low freezing point ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity of a component in an ideal gas mixture is euqal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at contant pressure and temperature __________ as its mole fraction increases. Decreases exponentially Remains constant Decreases Increases Decreases exponentially Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which A homogeneous solution (say of phenol water) is formed Two liquids are completely separated into two layers None of these Mutual solubility of the two liquids shows a decreasing trend A homogeneous solution (say of phenol water) is formed Two liquids are completely separated into two layers None of these Mutual solubility of the two liquids shows a decreasing trend ANSWER DOWNLOAD EXAMIANS APP