Chemical Engineering Thermodynamics The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is -2 RT ln 0.5 2 RT -RT ln 0.5 0.5 RT -2 RT ln 0.5 2 RT -RT ln 0.5 0.5 RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same. Kinematic viscosity Temperature None of these Work Kinematic viscosity Temperature None of these Work ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Internal energy of an ideal gas Is independent of temperature None of these Increases with increase in pressure Decreases with increase in temperature Is independent of temperature None of these Increases with increase in pressure Decreases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Generation of heat by friction is an example of a/an __________ change. Isothermal Reversible Irreversible Adiabatic Isothermal Reversible Irreversible Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the degree of freedom for two mis-cible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope? 1 2 3 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the least thermal efficiency? Diesel engine Steam engine Carnot engine Otto engine Diesel engine Steam engine Carnot engine Otto engine ANSWER DOWNLOAD EXAMIANS APP
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