Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. ∞ 0 > 0.5 < 0.5 ∞ 0 > 0.5 < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the design of a fluid-solid reactor? Size distribution of solids beingtreated All of these Reaction kinetics for single particle, Flow patterns of solids and fluid in the reactor Size distribution of solids beingtreated All of these Reaction kinetics for single particle, Flow patterns of solids and fluid in the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The heat of reaction Depends on the pressure only Is independent of the mechanism of reaction Depends on both pressure and mechanism of reaction Depends on the mechanism of reaction only Depends on the pressure only Is independent of the mechanism of reaction Depends on both pressure and mechanism of reaction Depends on the mechanism of reaction only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for Fast reaction in catalyst of large pore diameter Slow reactions in catalyst of large pore diameter Slow reactions in catalyst of small pore diameter Fast reactions in catalyst of small pore diameter Fast reaction in catalyst of large pore diameter Slow reactions in catalyst of large pore diameter Slow reactions in catalyst of small pore diameter Fast reactions in catalyst of small pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of calcination of limestone, CaCO₃ CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂. Unpredictable from the data Decrease Increase No change Unpredictable from the data Decrease Increase No change ANSWER DOWNLOAD EXAMIANS APP
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