Chemical Reaction Engineering Promoter. Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals All of these Atlers the position of equilibrium in a reversible reaction Initiates a chemical reaction and is a catalyst by itself Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals All of these Atlers the position of equilibrium in a reversible reaction Initiates a chemical reaction and is a catalyst by itself ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The energy balance equation over a tubular reactor under transient conditions is An ordinary non-linear differential equation A linear partial differential equation An algebric differential equation A non-linear partial differential equation An ordinary non-linear differential equation A linear partial differential equation An algebric differential equation A non-linear partial differential equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt At the inlet In the reactor At the outlet Averaged over the inlet and outlet At the inlet In the reactor At the outlet Averaged over the inlet and outlet 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. 12 16 4 8 12 16 4 8 ANSWER DOWNLOAD EXAMIANS APP
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 None of these 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 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 None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the hydrodealkylation of toluene to benzene, the following reactions occur:C₇H₈ + H₂ → C₆H₆ + CH₄2C₆H₆ ⇋ C₁₂H₁₀ + H₂Toluene and hydrogen are fed to a reactor in a molar ratio 1:5.80% of the toluene gets converted and the selectivity of benzene(defined as moles of benzene formed/moles of toluene converted) is 90%. The fractional conversion of hydrogen is 0.16 0.136 0.152 0.144 0.16 0.136 0.152 0.144 ANSWER DOWNLOAD EXAMIANS APP