Chemical Reaction Engineering The space time is equivalent to the holding time in a steady state mixed reactor for Non-isothermal gas reaction Gas reactions with changing no. of moles Constant fluid density systems Variable fluid density systems Non-isothermal gas reaction Gas reactions with changing no. of moles Constant fluid density systems Variable fluid density systems ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes. 16 8 12 4 16 8 12 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the dispersion number for a plug flow reactor? -1 ? 1 -1 ? 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fluidised bed reactor is characterised by Uniformity of temperature Comparatively smaller equipment Very small pressure drop Absence of continuous catalyst regeneration facility Uniformity of temperature Comparatively smaller equipment Very small pressure drop Absence of continuous catalyst regeneration facility ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A rise in temperature Does not affect photo-chemical reaction rates Normally tends to increase the reaction rate Does not affect a catalysed reaction All of these Does not affect photo-chemical reaction rates Normally tends to increase the reaction rate Does not affect a catalysed reaction All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle) Increases Remains unaltered Changes unpredictably Decreases Increases Remains unaltered Changes unpredictably Decreases ANSWER DOWNLOAD EXAMIANS APP
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