Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Temperature is constant Pressure is constant Heating takes place Cooling takes place Temperature is constant Pressure is constant Heating takes place Cooling takes place ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Number of phases in a colloidal system are 2 3 1 4 2 3 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Mollier diagram is a plot of Temperature vs. enthalpy Entropy vs. enthalpy Temperature vs. enthalpy Temperature vs. internal energy Temperature vs. enthalpy Entropy vs. enthalpy Temperature vs. enthalpy Temperature vs. internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is 667 1000 349 651 667 1000 349 651 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively) Geometric Logarithmic Harmonic Arithmetic Geometric Logarithmic Harmonic Arithmetic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is A . x₂² Ax₁² Ax₂ Ax₁ A . x₂² Ax₁² Ax₂ Ax₁ ANSWER DOWNLOAD EXAMIANS APP