Chemical Reaction Engineering The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to √d D1.5 D2 D √d D1.5 D2 D ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be Higher in P.F. reactor Same in both the reactors Higher in CSTR Data insufficient; can't be predicted Higher in P.F. reactor Same in both the reactors Higher in CSTR Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. None of these First Zero Second None of these First Zero Second ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called Operational yield Selectivity None of these Relative yield Operational yield Selectivity None of these Relative yield ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst promoter All of these Itself has very high activity Improves the activity of a catalyst Acts as a catalyst support All of these Itself has very high activity Improves the activity of a catalyst Acts as a catalyst support ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A back mix reactor is Same as plug flow reactor (PFR) Suitable for gas phase reactions Same as ideal stirred tank reactor Ideal at very low conversion Same as plug flow reactor (PFR) Suitable for gas phase reactions Same as ideal stirred tank reactor Ideal at very low conversion ANSWER DOWNLOAD EXAMIANS APP
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