Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. 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 unit of space velocity is (time)⁻¹ 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 space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The unit of space velocity is (time)⁻¹ 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 For all positive reaction orders for a particular duty, Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Mixed reactor is always larger than the plug-flow reactor Reactor size is independent of the type of flow Density variation during reaction affects design Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Mixed reactor is always larger than the plug-flow reactor Reactor size is independent of the type of flow Density variation during reaction affects design ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 'Unreacted core model' represents the reaction involving None of these Roasting of sulphide ores Combustion of coal particles Manufacture of carbon disulphide from elements None of these Roasting of sulphide ores Combustion of coal particles Manufacture of carbon disulphide from elements 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. Either A, B or C Chemical reaction Film diffusion Diffusion through ash layer Either A, B or C Chemical reaction Film diffusion Diffusion through ash layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Differential method for analysing the kinetic data is used None of these For testing complicated mechanisms When the data are scattered When rate expressions are very simple None of these For testing complicated mechanisms When the data are scattered When rate expressions are very simple ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The residence time distribution of an ideal CSTR is 1/τ (-t/τ) Τ exp (-t/τ) 1/τ exp (-t/τ) Exp(-t/τ) 1/τ (-t/τ) Τ exp (-t/τ) 1/τ exp (-t/τ) Exp(-t/τ) ANSWER DOWNLOAD EXAMIANS APP
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