Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. The unit of space velocity is (time)⁻¹ The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour None of these The unit of space velocity is (time)⁻¹ The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate at which a chemical substance reacts is proportional to its None of these Molecular weight Equivalent weight Active mass None of these Molecular weight Equivalent weight Active mass ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum. Increases Decreases Remains unchanged Unpredictable from the data Increases Decreases Remains unchanged Unpredictable from the data ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Film diffusion Diffusion through ash layer Either A, B or C Chemical reaction Film diffusion Diffusion through ash layer Either A, B or C Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ resistance is not involved in the combustion of a carbon particle. Gas film Chemical reaction Ash None of these Gas film Chemical reaction Ash None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A second order reaction of the form A + B → C is called a pseudo-first order reaction, when CB0 > CA0 CA0 > CB0 CB0 ≥ CB0 CA0 = CB0 CB0 > CA0 CA0 > CB0 CB0 ≥ CB0 CA0 = CB0 ANSWER DOWNLOAD EXAMIANS APP