Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. < 0.5 ∞ 0 > 0.5 < 0.5 ∞ 0 > 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a Tubular reactor is preferred over a single CSTR for high yield Both A and B Batch reactor is preferred over a single CSTR for high yield Single CSTR is the most suitable Tubular reactor is preferred over a single CSTR for high yield Both A and B Batch reactor is preferred over a single CSTR for high yield Single CSTR is the most suitable ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The optimum performance for reactors operating in parallel is obtained when the feed stream is distributed in such a way, that the Space time for each parallel line is same None of these Space time for parallel lines is different Larger reactors have more space time compared to smaller ones Space time for each parallel line is same None of these Space time for parallel lines is different Larger reactors have more space time compared to smaller ones ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume. More than Less than Same as Data insufficient; can't be predicted More than Less than Same as Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ? 1/2 3 1/9 1/3 1/2 3 1/9 1/3 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
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