Chemical Engineering Thermodynamics If atmospheric temperature and dew point are nearly equal, then the relative humidity is 50% Zero Unpredictable Almost 100% 50% Zero Unpredictable Almost 100% ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂? > -94 kcal < - 94 kcal Zero -94 kcal > -94 kcal < - 94 kcal Zero -94 kcal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Water on heating from 1 to 4°C Contracts May contract or expand Expands Has same volume Contracts May contract or expand Expands Has same volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a common refrigerant? Ammonia Freon-12 Carbon dioxide Ethylene Ammonia Freon-12 Carbon dioxide Ethylene 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 Ax₁² A . x₂² Ax₂ Ax₁ Ax₁² A . x₂² Ax₂ Ax₁ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Work done may be calculated by the expression ∫p dA for __________ processes. Neither A nor B Both A and B Non-flow reversible Adiabatic Neither A nor B Both A and B Non-flow reversible Adiabatic ANSWER DOWNLOAD EXAMIANS APP
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